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A new digital catalog is coming to the Lackawanna County Library System on March 26. This change will bring convenient new features such as custom user names, simpler searching and a history of material checked out. The new catalog will also include customized lists, where users will have the opportunity to group titles into categories for easy...


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Top Answers About CSS3 on Quora

Top Answers About CSS3

What are 5 essential skills every Web Developer should have?

A web developer should be have these 5 essential skills in order to be successful.
  • Must have coding knowledge: Two components HTML and CSS are the building blocks of all web development, so it’s important for a web developer to know these technologies substantially. In order to be successful it’s important to understand how these technologies work together:  HTML sets the structure on the page while CSS change or modify the way it looks.
  • Beyond the Basics: HTML and CSS is the staple of web development. Every beginner starts with them, but they both are used differently with different methods. As I mentioned earlier, the only skills you need to know as a web developer are those that helps you to meet the needs of your specific clients. But moreover, you need to consider what clients you want to work with and what websites or apps you want to build.
  • Become a master researcher: One important skill for web developer is to research and find the information about the language you’re coding in. you don’t need to memorize the language completely but you do need to know how to find the information.
  • Be a team player: In order to stand out and be an odd you need to be a teamplayer and should be able to manage all the problems efficiently.
  • Be a learner: Learning new techniques is one of the important aspect that a web developer needs to know. he needs to learn new techniques and tools and should be able to implement them. learning is always the next phase to success.
I know a great web development company which makes websites in the most affordable prices and are pro at their work with the most creative ideas and unique design's . I'm sharing the link down below , have a look at it.
Web design & development | Infinite App

Monica Justin.
Mobile application development - web design + development company | Infinite App

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Posted on 6 April 2015

Do developers memorize all tags, classes and functions?

I've been programming intensively since I was a small child (in the neighborhood of 25+ years), and have been through a dozen languages and have truly mastered a handful. I cover an enormous area of work, and still lookup function signatures and other details multiple times every day. I'll either forget, or I won't be confident in my precision.

Memorization doesn't make you a good developer.. Committed investigation and knowing where to look for answers does. Memorization just makes you a rockstar when presenting your decisions and ideas, and describing new approaches.

This question would be similar to asking, "Do experienced developers make stupid mistakes?" Yes (and most problems are stupid, brainless mistakes). We're no less human.

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Posted on 26 February 2015

Do developers memorize all tags, classes and functions?

I would say programming is just a bunch of concepts. Knowing a handful of languages gives you better conception.
Someone who understands more concepts is more powerful than someone who understands less concepts but more syntax.

So...concepts = No1: Functions, conditional statements, loops, arrays, oop, garbage collection, design patterns etc, ect.

But to contradict myself....Memorize EVERYTHING, because why not? Didn't we learn anything from school?

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Posted on 29 January 2015

Do developers memorize all tags, classes and functions?

No, and you should never try to. Aside from What WG's HTML5 being a bit of a moving target in some respects, even with XHTML 1.1 and CSS, it is virtually impossible to memorize them. A real developer keeps notes, uses references, and/or uses tools that assist them--for example, IntelliSense in many of Microsoft's developer IDEs. They also rely heavily on their search engine of choice--DMOZ, Bing, Google, Yahoo, DuckDuckGo, etc... .

As a web designer, I myself keep references nearby (O'Reilly "Definitive Guide" series is always useful for this, both ebook and physical copies), and use tools like Visual Studio and Microsoft Expression Web for the IntelliSense feature. I also make sure I have a tabs for WebPlatform's documentation and the Mozilla Developer Network open, both being great reference sources when I need to look up a tag or function.

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Posted on 12 January 2015

Do developers memorize all tags, classes and functions?

"You don't have to know everything; you just have to know where to find it."
- Nickie Haflinger (as "Sandy Locke"), The Shockwave Rider, John Brunner

No, I don't have all the Java APIs memorized; there are simply too many of them, when you count all the classes in the standard Java class library, as well as all the libraries and frameworks that I commonly use (or are commonly used at IQN), not to mention all the classes specific to FrontOffice that I have to know about.

But this is why I make use of various assistive tools:
  • Autocomplete and pop-up source help within my IDE.  This is one reason why I strive for good JavaDocs on the code I write; the IDE can make use of it and display it.
  • A local copy of the Java library reference, that I can bring up in a browser tab.
  • Links to the online documentation for various libraries, whether they be the Spring framework, Apache Commons, or Google Guava.
  • And, when all else fails, there's always Google. :-)
I have some of it memorized, so that I can perform many simple operations without needing to refer to anything.  But I don't hesitate to look something up when in doubt; a little time spent doing that can save time later in compile/debug cycles.  (I don't make many compiler errors at build time these days...and those that do slip through are usually because I haven't looked hard enough to find them using the IDE tools.)

Hat tip: Daniel Catalan for the A2A.

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Posted on 1 December 2014

I have learned HTML, CSS and CSS3, but I am unable to design a complete webpage. What should I do to learn to use them to build a website?

Very simple, to be confident start creating pages only with Html, it wont be that attractive but it will work , then create CSS file and move all CSS code into that. Over time you can create both at the same time.

Mixing these css and html together in one .html page like you did before will work but then again the whole point of css code is to save heaps of multiple coding and size.

Consider it this way, if Html is a normal car , CSS will be adding turbo into it to make it faster and with out installing a heavy V8 engine into it.


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Posted on 27 November 2014

What would be a good way to learn advanced CSS?

I have learned a lot by building sites with front-end frameworks like Bootstrap and Foundation. First, they will give you a good intro to Sass, which is a great tool for writing well-organized, concise CSS. But these frameworks have also solved (with varying degrees of success and complexity) problems like how to implement a responsive grid, how to apply consistent spacing and typography. Both frameworks also include UI components like responsive nav bars, tooltips, modal windows and the like, and seeing how these expert developers approached these problems is a great way of learning.

Bootstrap · The world's most popular mobile-first and responsive front-end framework.
The Most Advanced Responsive Front-end Framework from ZURB

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Posted on 16 November 2014

What would be a good way to learn advanced CSS?

I would say: just do it. Think of something that seems really challenging to you and try to build it while researching what you need. A good way might be to find an example on CodePen an try to recreate it.

Although it might not specifically be about CSS3 I would also suggest to research things like browser compatibility, architecture, code quality, performance and structure. Also reading some guidelines might be a good way to start adding structure and improving your CSS skills. And of course start using a preprocessor like SASS/SCSS (http://sass-lang.com/), or LESS (Getting started | Less.js).

Some links:

I don't think there are many tutorials on "advanced techniques" because when you get to that level, most of the time you have the skills and knowledge to find all the information you need from different sources. And I think the only way to become a pro at something is to do it a lot, because when you are doing it you will automatically find your next challenge.

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Posted on 4 November 2014

What are common mistakes user experience designers make?

1. Trying to account for every imaginable use case

One of the most common mistakes I see designers make is not recognizing that trying to account for every single thing that every type of user might want to do isn't always a great approach.

In some ways this seems counterintuitive... Isn't it good to create a design that fits absolutely everyone's needs? In theory, yes. But in practice, this ends up manifesting itself as half your system's functionality only being used by 10% of your users. As a designer, you lose focus on what matters and add complexity that 90% of your users are burdened with (see Microsoft Word).

The way this problem often appears is someone says "Well how does your design handle X user, in Y situation, with Z circumstances" and the designer responds by immediately adding in a feature to account for this, without seriously considering how rare or low impact the use case may be.

The way to avoid this is to be extremely clear with yourself about who your 90% user is and ruthlessly driving the design with them in mind. That's what matters.

2. Overfitting a problem

We can think of the process of designing a product as observing some kind or organizational or human behavior in the real world and building a tool to support, extend, and amplify these behaviors. At a high level, if we can build a product that effectively models and extends the human or organizational behavior, we've built a useful product (this is exactly what many user-centered design methods are meant to support).

Whenever we create model of some behavior (be it statistics or UX design), though, there is always a possibility of overfitting.

Overfitting occurs when a statistical model describes random error or noise instead of the underlying relationship. - Wikipedia

One of the biggest mistakes that UX designers make is not attempting to understand the difference between the random noise and underlying relationships in human and organizational behavior.

If you can design a product that supports just these underlying relationships and solves just the core challenges, you've likely built a very long-lasting, impactful product that will appeal to many people. Products that do this extremely well can transform industries.

3. Only improving a design by making small, careful iterations

The final mistake that I commonly see UX designers make is assuming that making small, careful iterations to a design is always the best way to create the best product. This is often an effect of always AB testing designs and blindly choosing the winner. This approach is similar to hill climbing.

Hill climbing is an iterative algorithm that starts with an arbitrary solution to a problem, then attempts to find a better solution by incrementally changing a single element of the solution. If the change produces a better solution, an incremental change is made to the new solution, repeating until no further improvements can be found.

Hill climbing is good for finding a local optimum (a solution that cannot be improved by considering a neighbouring configuration) but it is not guaranteed to find the best possible solution out of all possible solutions. The characteristic that only local optima are guaranteed can be cured by using restarts. - Wikipedia

As a UX designer, it is your job to recognize the situations when the best approach is to try something entirely different in hopes of finding a dramatically better solution, rather than just optimizing your existing approach.

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Posted on 26 October 2014

What would be a good way to learn advanced CSS?

Advanced CSS? Well the best way to learn, and actually learn how to use it, Would be to visit W3 schools website. They have the entire syntax of the language on their site, as well as demonstrations you can interact with. Then take that knowledge and start applying it. Build mock websites, and see how creative you can be.
 Look up parallax effects, and CSS animation for some really show stopper effects

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Posted on 20 October 2014

I have learned HTML, CSS and CSS3, but I am unable to design a complete webpage. What should I do to learn to use them to build a website?

I've struggled with this problem in the past. I considered myself competent in HTML, CSS, and JS but couldn't put those skills to use. So, here are my recommendations:

  1. Subscribe to awesome blogs like CSS Tricks (http://css-tricks.com) where you can learn more cool features and quirks of the languages you love.
  2. Make yourself a CodePen (http://codepen.io) account. You can use any of the big online editors - but I prefer codepen for its shortcuts, interface, and especially community. Browse it often and don't feel bad to look at, modify, play with, and ask questions about other people's code.
  3. Get yourself real code editing software. For larger projects, you want durable but easy to use software. I've seen Dreamweaver mentioned, though it's become somewhat outdated as of late - and it's quite expensive! Plenty of people have pretty strong feelings about the program they use - if you want to hear about more just search for it on Quora. My personal recommendation is Brackets. It's free, open source, updates regularly, and has live preview, a feature I wouldn't do without in any other software.
  4. Practice, practice, practice! Nothing beats this. Make something little on codepen, make something big in brackets, make something in-between with a friend! No matter what you do, you're getting better.

Once you've become proficient in HTML and CSS it's time to move on to more advanced projects. Here's what I'd suggest doing next:
  1. Learn your way around the command line. It should be your best friend. You'll need it, later, for automation and tools like git and node.
  2. Learn git and make a github (http://github.com) account. You'll want it for collaboration and deployment. Don't stress out about git, though - git has a really steep learning curve! Github has a desktop app that does simplify things, and you can use tools like ungit (https://github.com/FredrikNoren/...) to get the basics down.

I wish you all the best on your endeavors with the web. It's tricky to get a website going, and I admire your determination. Good luck, and, more importantly, have fun.

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Posted on 15 October 2014

I have learned HTML, CSS and CSS3, but I am unable to design a complete webpage. What should I do to learn to use them to build a website?

I learnt the same way you did and ended up not been able to build a complete website. All you have to do is install a Dreamweaver software, most sites, if not all you see on the internet are designed using Adobe dreamweaver software. Install it and learn to use the software to create amazingly stunning websites.

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Posted on 4 October 2014

I have learned HTML, CSS and CSS3, but I am unable to design a complete webpage. What should I do to learn to use them to build a website?

This is a complete web page:
<!DOCTYPE html>
<title>This is a webpage</title>
<style type="text/css">
body { font-family: sans-serif; }
a:link, a:visited, a:active { text-decoration: none; }
a:hover { text-decoration: underline; }
<p>This is a web page</p>
<p>Now let's read some more <a href="http://quora.com">Quora</a>.</p>

If you can't build that, you haven't learned HTML or CSS. You've learned some tags and maybe some selectors. It's bringing those together that makes a web page. A website is just a bunch of pages that work together to achieve a particular goal.*

The good news is, learning the basics of web design/development is pretty easy. And there are lots of great online courses. Here is a great, free one that I recommend: http://www.codecademy.com/en/tra...

As Tim Samoff mentions in the comments on my answer, what will probably help bring this all together for you is a better understanding of the CSS Box Model. This link from CSS-Tricks (a great site, BTW) which Tim recommended will serve you well: The CSS Box Model | CSS-Tricks

*I'm oversimplifying. I know that.

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Posted on 3 October 2014

Do developers memorize all tags, classes and functions?

Computer languages are just like human languages.

You don't know every single word of the English language, right? You know the common ones that you use frequently, and if you need to write about a specific specialized topic, you look up the words you need for that topic.

I write in Objective-C, and that language is redundantly redundant. Every task has at least five different ways to do it, often with object and methods that are exactly the same, just with a different two-letter prefix based on their ancestral origin.

You want an object that represents a color? you have UIColor, CGColor, CIColor,  and for OpenGL you also use a GLKVector4. all that just to store and manipulate a red, green, blue and alpha value.

Trust me, nobody can memorize everything.

BTW- For HTML, you will probably eventually memorize al  the tags. there are not all that many, compared with the objects and methods of a programming language.

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Posted on 29 August 2014

Do developers memorize all tags, classes and functions?

Short answer: no.

Longer answer: Many developers I know, including myself, actually have a pretty bad memory and put zero effort into memorizing things like this. Instead, you just keep looking things up until you no longer need to. This takes less time than you think.

Looking things up is actually a skill that you can master, and it gets easier and easier the more things you look up, especially since developer documentation is often organized in a way to facilitate quick lookups.

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Posted on 26 August 2014

What is the best CSS3 tutorial on the Internet?

I agree with Doy Cave that Learn to code
from Code Academy offers one of the best tutorials on html / css there is although it's not specific about CSS3 persé.
Ideally you have to combine several different tutorials because there's not one that will teach you everything.
My first good information about basic html / css I got from watching free video tutorials by Bucky Roberts on his site http://www.thenewboston.com , and also those by Derek Banas on http://www.thenewthinktank.com .
After that I went on and read and watched A LOT of other tutorials and played around with css very often to get to know it "in real life". I will mention a couple of sites I found usefull that might be interesting for you, but there are much more; too much to mention here!
For css positioning:
Learn CSS Positioning in Ten Steps
CSS: Setting width/height as Percentage minus pixels
Why moving elements with translate() is better than pos:abs top/left
Css selectors, their order, and their browser compatibility:
The 30 CSS Selectors you Must Memorize - Tuts+ Code Tutorial
Pseudo-class selectors
Taming Advanced CSS Selectors - Smashing Magazine
Writing efficient CSS selectors
Css filters:
Understanding CSS Filter Effects - HTML5 Rocks
Css in form fields:
Textarea Tricks | CSS-Tricks
CSS input boxes and submit buttons
Data URI's using css and base64 encoding (allthough you should be carefull using these because they can slow down loading of your website sotimes) :
CSS Pattern Generator
CSS Data URIs - Use Them In All Browsers Now!
Css box shadow properties and possibilities:
Box-shadow, one of CSS3′s best new features
shadow: All the CSS3 properties explained
Css font sizing units explained:
CSS Font-Size: em vs. px vs. pt vs. percent
IE conditional formating css:
CSS Specific for Internet Explorer
HTML5 / CSS3 animations and transitions and keyframes:
Animate your HTML5
Creating fancy CSS3 Fade in / animation on page load using keyframes
CSS transitions, CSS transforms and CSS animation
CSS3 Transitions Without Using :hover
Css only images:
The Shapes of CSS

These are just some highlights of the sites I bookmarked, but again, there are so many, and only combined will they really be able to help you.
I will try and check out some of the ones you guys allready mentioned because some of them I don't know yet. Thanks for sharing!

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Posted on 10 August 2014

Are there other websites like W3Schools that have examples of code and let you run a live version of the code, so you can play around with it?

http://www.tutorialspoint.com (the ones where there is a "try it" button in the corner)
 http://compileonline.com doesn't have examples but it'll let you compile or run code in pretty much any language you want. and
http://jsfiddle.net as Karan suggested.
also there are numerous exercise based websites like http://www.codeacademy.com that use a live canvas to let you play around with the code.

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Posted on 6 August 2014

Do developers memorize all tags, classes and functions?

I started to learn programming 8 years ago. I am now a software developer in C++ and I do at a professional level for 3 years.

Few days ago I just Google'd "printf format specifiers" (can't use streams, don't ask, long story) to see how the hell I can put some numbers in a string. Even though I did it countless times during my life. Is like one of the first things you learn in C.
I also forget the name of classes or services I use almost daily. Or my source control password. I forget what kind of algorithms STL provides or commonly used commands.

Really, I am just plain bad when it comes to memorizing. But I don't consider myself a bad developer because of this. Part of my bad memory is also because I don't actually try to memorize those. I prefer to memorize things that actually improve the quality of my work.

Sure, you'll get used and learn some of the syntax you use, but even if you forget or can't remember some, just find it. Look in the documentation or whatever. So if I were you I would not worry a single second about memorizing stuff. Worry about understanding.

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Posted on 5 June 2014

What computer languages are necessary to learn in order to be able to design a webpage?

HTML is the only one that is required.  And that isn't really a programming language.

Other than that, without getting into servers, you have CSS and JavaScript to make things "prettier" and more "dynamic" (although I hate that word in programming, it is so much a "buzz word").

On the server side you have multiple possibilites

CGI which can be any scripting language, or compiled program (not the most efficient way to go).

Then things like Java with JEE and a server (either an Enterprise Application Server such as Glassfish, or a Web Container such as Tomcat), ColdFusion (don't know too much about this), PHP, ASP, and, of course, you can always (and I know someone who did this for all of his pages, although it is not the approach that I would recommend) write web server modules (such as Apache modules) or even a complete web server with your pages integrated into it (with whatever language is applicable).  To go with all of these XML and SQL are always helpful.

There are assuredly others, they do not come to mind at the moment, though.

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Posted on 2 May 2014

Do developers memorize all tags, classes and functions?

There are developers I know who do commit everything they can to memory.  I don't like working with them, myself, because that's about all they can do and I already have a search engine that doesn't cost a salary.

There are things you'll remember, but I'd say nothing you should specifically memorize.  Look everything up when it seems unfamiliar, and try to have seen as much as possible, but...you never spent any time memorizing which of your friends are which, did you?  Which house is yours?  No, because it's something you deal with a lot.

Natural memory works on repetition and connections.  You'll know one tag from another because you'll use certain tags together all the time, not because you wrote a song listing each one.

Also, if you understand the reasoning behind designs, it's a lot easier to figure out what you can't remember.  There was a time I could guess at just about any function in the Windows API, because I spoke regularly with friends who worked at Microsoft and understood the mindset.

All that is, of course, unless you enjoy memorizing things.  I mean, some people do spend months memorizing digits of pi, so if that's your thing, go nuts.  Nobody's going to make fun of you for knowing things off the top of your head.

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Posted on 20 March 2014

Do developers memorize all tags, classes and functions?

Just as with a natural language, you have an active and a passive vocabulary with a development language. That active vocabulary is a collection of keywords which you use daily, and understand fluently. The passive vocabulary is a set of keywords which you recognize, but may not think of immediately.

For HTML, you should have an active vocabulary of about 20 - 30 elements. Look over web pages on just about any web site (including Quora) and you'll find the same 30ish HTML elements; <body>, <div>, <p>, <ul>, etc. These you should know well.

Your active vocabulary are those HTML tags that you've read about - from a book or a blog. It's ok that you don't know the half-a-dozen different elements that exist for a <table>. but if you see a <colgroup>, it should seem familiar to you.

Your goals in growing as a front-end developer are three fold:
  1. Develop a core 'active vocabulary' of words and concepts which you grasp fluidly
  2. Develop a wider 'passive vocabulary' of words and concepts with which you are familiar
  3. Shift "passive vocabulary" items into your active vocabulary after you learn new concepts.
in HTML, learn the key elements to build a web page, but start learning form attributes. Once you know all of the ins and outs of an HTML5 form, repeat the process with tables.

In CSS, learn the properties and values needed to produce a basic layout. Become familiar with background images and borders. Learn backgrounds and borders fluidly while you're picking up CSS3 effects. Master the CSS3 effects while you learn animations.

In JavaScript, start with jQuery. Learn about 30 or so methods: hide, show, toggle, parent(), child, find, etc. Once you can select things, learn Ajax. Once you're good with Ajax, learn vanilla JavaScript.

There's never a point at which you learn "everything" in a development language. But there is a point in which you answer more questions than you ask.

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Posted on 19 March 2014

Do developers memorize all tags, classes and functions?

  1. Find a project worth doing
  2. Work on the project until you don't know something
  3. Look up that thing you don't know
  4. Continue doing the project

This involves no explicit memorization, yet you will end up memorizing the things that you use the most. With each successive iteration of this process you will find that you need to look up less and less. However, you will always need to look up something.

Being able to quickly find answers to the questions you don't know is by far the most important skill you could develop on the path to becoming a great programmer. This will stick with you your whole career and is one of the most widely applicable skills that you will learn.

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Posted on 18 March 2014

Do developers memorize all tags, classes and functions?

I personally like to put in my own classes. I use things like "contain" (max-width container), "halfer" (50% column), and "cta" (colorful button) in almost all my projects. This is because I don't really like other people's classes and I hate when they use underscores (because they require a shift button! dash is better).

With that said, if you use a framework like Bootstrap a lot, then it's worth remembering the important classes. I imagine that 20% of the classes and tags available account for about 80% of your usage (pareto's principle). Same with basic HTML. We all know <p> and <h2>, but could you use <video>, with all necessary file types, without looking? Probably not, but then again, you rarely need to use the <video> tag, so it's not worth remembering. Just Google it once in a blue moon when you need it.

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Posted on 18 March 2014

Do developers memorize all tags, classes and functions?

You should know them all enough that you can recognize what you would need in a given situation. From there, you can Google the tag or property name.

It's a lot like high school physics. Memorizing the formulas is great, but what's really important is being able to recognize, "oh, this system conserves angular momentum," then Googling the moment of inertia of whatever shape you have. If you do remember that solid spheres that I = 2/5 mr^2, then you can do it more quickly.

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Posted on 17 March 2014

What are the most important client-side (HTML5/CSS/JavaScript) libraries and why?

Most people dabble in JQuery, few people really use it to its full capability. I'm constantly amazed how much this little library does for you, for a couple of years, I was trying to rise above JQuery and conceited enough to actually start writing my own framework, at the end, I just had to concede that JQuery does it better.

You don't always need JQuery and you shouldn't allow it become a crutch, for most simple, straight-forward applications, there is simply no need to load a whole library just to style or animate a few things, there is a time and place for JQuery, but just know this, once you summon the power of JQuery, you no longer have any execuses not being able to do anything.

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Posted on 13 February 2014

What are 5 essential skills every Web Developer should have?

The idea here is that most of us should already know most of what is on this list. But there just might be one or two items you haven't really looked into before, don't fully understand, or maybe never even heard of.

Interface and User Experience
  • Be aware that browsers implement standards inconsistently and make sure your site works reasonably well across all major browsers. At a minimum test against a recent Gecko engine (Firefox), a WebKit engine (Safari and some mobile browsers), Chrome, your supported IE browsers (take advantage of the Application Compatibility VPC Images), and Opera. Also consider how browsers render your site in different operating systems.
  • Consider how people might use the site other than from the major browsers: cell phones, screen readers and search engines, for example. — Some accessibility info: WAI and Section508, Mobile development: MobiForge.
  • Staging: How to deploy updates without affecting your users. Have one or more test or staging environments available to implement changes to architecture, code or sweeping content and ensure that they can be deployed in a controlled way without breaking anything. Have an automated way of then deploying approved changes to the live site. This is most effectively implemented in conjunction with the use of a version control system (CVS, Subversion, etc.) and an automated build mechanism (Ant, NAnt, etc.).
  • Don't display unfriendly errors directly to the user.
  • Don't put users' email addresses in plain text as they will get spammed to death.
  • Add the attribute rel="nofollow" to user-generated links to avoid spam.
  • Build well-considered limits into your site - This also belongs under Security.
  • Learn how to do progressive enhancement.
  • Redirect after a POST if that POST was successful, to prevent a refresh from submitting again.
  • Don't forget to take accessibility into account. It's always a good idea and in certain circumstances it's alegal requirement. WAI-ARIA and WCAG 2 are good resources in this area.
  • Don't make me think


  • Implement caching if necessary, understand and use HTTP caching properly as well as HTML5 Manifest.
  • Optimize images - don't use a 20 KB image for a repeating background.
  • Learn how to gzip/deflate content (deflate is better).
  • Combine/concatenate multiple stylesheets or multiple script files to reduce number of browser connections and improve gzip ability to compress duplications between files.
  • Take a look at the Yahoo Exceptional Performance site, lots of great guidelines, including improving front-end performance and their YSlow tool (requires Firefox, Safari, Chrome or Opera). Also, Google page speed (use with browser extension) is another tool for performance profiling, and it optimizes your images too.
  • Use CSS Image Sprites for small related images like toolbars (see the "minimize HTTP requests" point)
  • Busy web sites should consider splitting components across domains. Specifically...
  • Static content (i.e. images, CSS, JavaScript, and generally content that doesn't need access to cookies) should go in a separate domain that does not use cookies, because all cookies for a domain and its subdomains are sent with every request to the domain and its subdomains. One good option here is to use a Content Delivery Network (CDN).
  • Minimize the total number of HTTP requests required for a browser to render the page.
  • Utilize Google Closure Compiler for JavaScript and other minification tools.
  • Make sure there’s a favicon.ico file in the root of the site, i.e. /favicon.ico. Browsers will automatically request it, even if the icon isn’t mentioned in the HTML at all. If you don’t have a/favicon.ico, this will result in a lot of 404s, draining your server’s bandwidth.

SEO (Search Engine Optimization)
  • Use "search engine friendly" URLs, i.e. use Page on example.com instead Page on ofexample.com
  • When using # for dynamic content change the # to #! and then on the server$_REQUEST["_escaped_fragment_"] is what googlebot uses instead of #!. In other words,./#!page=1 becomes ./?_escaped_fragments_=page=1. Also, for users that may be using FF.b4 or Chromium, history.pushState({"foo":"bar"}, "About", "./?page=1"); Is a great command. So even though the address bar has changed the page does not reload. This allows you to use ? instead of #! to keep dynamic content and also tell the server when you email the link that we are after this page, and the AJAX does not need to make another extra request.
  • Don't use links that say "click here". You're wasting an SEO opportunity and it makes things harder for people with screen readers.
  • Have an XML sitemap, preferably in the default location /sitemap.xml.
  • Use <link rel="canonical" ... /> when you have multiple URLs that point to the same content, this issue can also be addressed from Google Webmaster Tools.
  • Use Google Webmaster Tools and Bing Webmaster Tools.
  • Install Google Analytics right at the start (or an open source analysis tool like Piwik).
  • Know how robots.txt and search engine spiders work.
  • Redirect requests (using 301 Moved Permanently) asking for www.Example Domain to Example Domain(or the other way round) to prevent splitting the google ranking between both sites.
  • Know that there can be badly-behaved spiders out there.
  • If you have non-text content look into Google's sitemap extensions for video etc. There is some good information about this in Tim Farley's answer.

  • Understand HTTP and things like GET, POST, sessions, cookies, and what it means to be "stateless".
  • Write your XHTML/HTML and CSS according to the W3C specifications and make sure they validate. The goal here is to avoid browser quirks modes and as a bonus make it much easier to work with non-standard browsers like screen readers and mobile devices.
  • Understand how JavaScript is processed in the browser.
  • Understand how JavaScript, style sheets, and other resources used by your page are loaded and consider their impact on perceived performance. It is now widely regarded as appropriate to move scripts to the bottom of your pages with exceptions typically being things like analytics apps or HTML5 shims.
  • Understand how the JavaScript sandbox works, especially if you intend to use iframes.
  • Be aware that JavaScript can and will be disabled, and that AJAX is therefore an extension, not a baseline. Even if most normal users leave it on now, remember that NoScript is becoming more popular, mobile devices may not work as expected, and Google won't run most of your JavaScript when indexing the site.
  • Learn the difference between 301 and 302 redirects (this is also an SEO issue).
  • Learn as much as you possibly can about your deployment platform.
  • Consider using a Reset Style Sheet or normalize.css.
  • Consider JavaScript frameworks (such as jQuery, MooTools, Prototype, Dojo or YUI 3), which will hide a lot of the browser differences when using JavaScript for DOM manipulation.
  • Taking perceived performance and JS frameworks together, consider using a service such as theGoogle Libraries API to load frameworks so that a browser can use a copy of the framework it has already cached rather than downloading a duplicate copy from your site.
  • Don't reinvent the wheel. Before doing ANYTHING search for a component or example on how to do it. There is a 99% chance that someone has done it and released an OSS version of the code.
  • On the flipside of that, don't start with 20 libraries before you've even decided what your needs are. Particularly on the client-side web where it's almost always ultimately more important to keep things lightweight, fast, and flexible.

Bug fixing
  • Understand you'll spend 20% of your time coding and 80% of it maintaining, so code accordingly.
  • Set up a good error reporting solution.
  • Have a system for people to contact you with suggestions and criticisms.
  • Document how the application works for future support staff and people performing maintenance.
  • Make frequent backups! (And make sure those backups are functional) Ed Lucas's answer has some advice. Have a restore strategy, not just a backup strategy.
  • Use a version control system to store your files, such as Subversion, Mercurial or Git.
  • Don't forget to do your Acceptance Testing. Frameworks like Selenium can help.
  • Make sure you have sufficient logging in place using frameworks such as log4j, log4net or log4r. If something goes wrong on your live site, you'll need a way of finding out what.
  • When logging make sure you capture both handled exceptions, and unhandled exceptions. Report/analyse the log output, as it'll show you where the key issues are in your site.
Lots of stuff omitted not necessarily because they're not useful answers, but because they're either too detailed, out of scope, or go a bit too far for someone looking to get an overview of the things they should know. Please feel free to edit this as well, I probably missed some stuff or made some mistakes.

Resource>> What technical details should a programmer of a web application consider before making the site public?

See question on Quora

Posted on 26 January 2014

What are 5 essential skills every Web Developer should have?

  1. Be an egoless programmer. Remember that you are not your code. The only way to improve is to be open to feedback from others and give honest, non-judgemental feedback to others.
  2. Be a team player. Building software is a team sport. You don’t “own” your parts of the code. Instead, your job is to make sure the whole package works as expected. Don’t be a typical “well, it works on my machine” guy. It has to work on users machines.
  3. Be a learner. Technology is changing fast. What was hot 5 years ago is no longer the best—stuff that’s relevant today didn’t even exist 5 years ago. You have to constantly learn new things (e.g. languages, libraries, patterns).
  4. Be a T-shaped person. Specialize in one narrow field and have a general understanding of a broader range of technologies. This makes you a very valuable asset within any organisation.
  5. Be relentlessly resourceful. Become a go-to person that can solve any problem. You don’t have to be able to solve every problem yourself, but you always know where to go to find the answer.

    As in Why no one is looking for ‘rockstar programmers’ stop believing in the Ninja/Rockstar myth.

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Posted on 2 October 2013

How significant is knowledge of JavaScript now, considering that many of its features are being replicated by CSS3?

There is a flaw in your question. 'Many' of Javascript's functions are not being replaced by CSS. A very small few dynamic features of design, which Javascript used to perform since there was no alternative, have now been put back where they belong - in the stylesheet.

Javascript does much, much more than simply manipulate the DOM for style and animation. The vast majority of all interactivity on the web is handled by Javascript. Turn it off in your browser as a test and see how different the web is.

There isn't really a front-end rival to Javascript. The same prime position is held by PHP for back-end scripting, though PHP has more viable rivals than does Javascript.

See question on Quora

Posted on 13 September 2013

What are the most important client-side (HTML5/CSS/JavaScript) libraries and why?

Since the original answer was written back in 2012, let me update my current preferred 2015 client side stack:

As a dessert for those quickly built sites you can load Bootstrap & Font Awesome directly from Bootstrap CDN (http://www.bootstrapcdn.com/)

Lets take a quick round around the track and see the essentials for any client-side athlete. The equipment depends on your goal range.

Palms sweating, heart pumping. Ready for another race. Go!

Accelerating into the first corner
(Happily, HTML5Boilerplate gives you all this out from the box, so you'll get a headstart. Winning!)

Making good headway, just don't stop now!

Time to show what you've got!

Aiming for the big boys. Give everything you have!

Fistpump for victory. Also, check out these goodies.

See question on Quora

Posted on 22 August 2012

What are the most important client-side (HTML5/CSS/JavaScript) libraries and why?

Seems most people are writing answers as if there could be a definitive factual response.

Unfortunately there is no simple answer to this question because the answer depends on the context of what the project requirements are, as well as the skills of the developer working on the project. Developers may want to hack their own stuff together and use a utility library to assist them, where another developer may want a full framework to do everything for them.

In my own example I prefer a small foot print as far as 3rd party libraries go but I think the following libraries are the most important and useful (to me)...

  • RequireJS:
    AMD module loader which lets you have a very modular code base (which is great for development) and it also provides a build tool so you can concatenate and minify your separate modules into a single file for production.
  • jQuery:
    Most people know what this library is by now. But just to clarify that this library can be hideously inefficient and badly performing when placed into the hands of a developer who doesn't understand what it going on under the library's API. But in the hands of someone who knows what they're doing this library can be a very helpful and useful DOM manipulation/ajax/animation library (more so now in their recent 1.8 release which had a complete rewrite of the animation code base).
  • Backbone.js:
    This library lets you architect your code to the MVC design pattern. It's very light weight and although not a strict implementation of MVC can be very useful to help give some kind of structure to your code (it also works very well with RequireJS)
  • HTML5Shiv:
    A simple library that lets older Internet Explorer browsers (IE8 and below) to render unknown elements - which may sound like an odd to want the browser to do, but the purpose is so developers to utilise the new HTML5 elements like <section> and <article> etc.
  • Normalize.css:
    This is a CSS style sheet that doesn't *reset* the default browser styles (which seems to be all the rage at the moment even though it's a bad practice). It instead patches some inconsistent browser rendering bugs across different browsers.
  • OOCSS:
    Object-Oriented CSS isn't a library but a methodology. There are quite a few different ideas on how OOCSS should be written (www.smacss.com is one popular method).
  • Sass:
    This is a CSS pre-processor which let's the developer take advantage of features not natively available in CSS (such as variables and functions and modular code with the ability to import into a single file).

See question on Quora

Posted on 19 August 2012

What are the most important client-side (HTML5/CSS/JavaScript) libraries and why?

One of most used library (I'm an author of this library) what I use every day is jQuery Role: https://github.com/kossnocorp/role.

Instead of popular class– and id-based selectors jQuery Role provide easy way to find and manipulate elements with role attribute:
will return

It's great idea because logic no more depend on styles. You can easy refactor css and don't fear break something.

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Posted on 14 August 2012

What are the most important client-side (HTML5/CSS/JavaScript) libraries and why?

"Most important" is obviously subjective, but at the highest level here's what I use:
HTML5 Boilerplate - Great starting point, includes
Modernizer (typically comes with Boilerplate) - for feature-detection, so you can use progressive enhancement or graceful degradation at your leisure
jQuery - Manipulating markup, monitoring events, adding interactivity

Those are the core that I've used on the vast majority of my recent sites. All of the frameworks listed above definitely look interesting though, and I'm looking forward to learning more about them, and possibly integrating them into my next project!

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Posted on 14 August 2012

What are the most important client-side (HTML5/CSS/JavaScript) libraries and why?

A kickstart...
http://jquery.com | jQuery: for manipulating the DOM
http://d3js.org | d3: kinda like jQuery for SVG elements
http://processingjs.org | Processing.js: for manipulating canvas elements
http://backbonejs.org | Backbone.js: for managing client-side data structures
http://underscorejs.org | Underscore.js: powerful functional programming ideas
http://twitter.github.com/bootstrap | Twitter Bootstrap: accelerates UI styling and events
http://modernizr.com | Modernizr: browser feature detection
http://www.mathjax.org | MathJax: Latex math formulas in the browser
http://html5boilerplate.com/ | HTML5 Boilerplate: Industry-standard starting point for HTML5-based pages or sites
http://browserify.org/ | Browserify: enables browser-side require() the node.js way
http://handlebarsjs.com/ | Handlerbars.js: templating

See question on Quora

Posted on 7 August 2012

Is anyone working on alternatives to HTML, CSS and JavaScript?

By your list of grievances, I think you are misdirecting your wrath.  HTML, CSS and JavaScript are not your nemeses. Microsoft, Apple, Mozilla, Google, and Opera are your true enemy.  The problem you describe isn't poor choice in Domain Specific Languages, but the choice of web browsers that is afforded the unwashed masses.

The only real solution to your complaints is to remove choice at the client level.  Microsoft had achieved this for about 6 years. Flash held video captive for about the same amount of time.  All you'd need is for a product like Google Chrome to take up the mantle as the next emperor and then all of your pain goes away.

Or, you could look at the half-full side.

If you didn't use HTML for unstructured documents, what would you use? XML?  SGML? XHTML? DOCX? PDF? I think we've dodged some high-caliber hollow-point bullets there, don't you think?

If you didn't use CSS to design, what then? XSLT? PostScript? Any of a dozen proprietary design formats? Just rasterize the whole page? I'm pleased as punch that CSS gives visual structure to flexible, distributed documents.

Yeah, JavaScript looks like a bastard, but is there a even a close contender? VBScript, Shockwave, ActionScript, and Java applets are all dead husks rotting on the battlefield.  JavaScript, meanwhile, has become the fastest scripting language as well as the most common.  I'm thinking more hybrid than bastard.

Yes, there are ugly parts.  There are kangaroo committees and backroom deals, and let's face it, some outright mistakes. But as far as organic communities go, this is pretty good. For all their tragedies, I'm glad the commons have this one victory.

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Posted on 24 May 2012

What are 5 essential skills every Web Developer should have?

Given that the question is for a "Web Developer", I am assuming that they are provided with the page design from a "Web Designer", and that any server side code is written by a "Web Services" or "Back-End Systems Developer":

  • HTML
  • CSS
  • JavaScript
  • Understanding of common security attacks and how to prevent them.
  • Know how to use source code control systems such as Subversion and Git.

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Posted on 26 March 2012

What are 5 essential skills every Web Developer should have?

  1. Pulse on the Industry and the User
    It's impossible to know where web development will go in 5 years, but those who follow standards bodies or at least read tech blogs have a much better understanding of upcoming changes and growing trends.

    It's not enough to follow the industry. Web developers must also understand their users and how they use the product. Analytics tools like StatCounter and Google Analytics are my favorites for gathering basic metrics of user interactions. A web developer should know if a third of the traffic is from a mobile device or that visitors are from Spanish-speaking countries. Maybe it's time to think about optimizing for mobile and internationalization.

    I list this as the number one skill because being proficient here will trickle down and facilitate the other skills.

    Things are changing and a lot has already changed. HTML 5, CSS 3, ECMAScript 5, and so on. If you can see these things coming, you will be able to adjust your priorities.

    Developers must have an understanding of the state of the browser market and to some extent even the OS market. Did you know users of Windows XP are unable to upgrade to IE 9? Want to guess what the most popular operating system is? (hint: it's XP). Knowing this, do you think it's a good idea to drop support of IE 8, even though 9 is out? Maybe for your user base, that could be a good idea. But my point is that you should know where all of the pieces are on the board before you make your move.

  2. Programming Competency
    Web developers must be able to code. This is supposed to sound obvious. An effective web developer must be able to write syntactically valid HTML, CSS, and even JavaScript.

  3. Testing
    All web developers must be able to test their code in multiple browsers. It's easy to test for our own personal browser of choice and ignore the rest, but the web is about diversity and the browser landscape is very diverse.

    JavaScript testing also falls under this category. Developers must use tools to detect and debug scripting errors. Chrome, Safari, and Internet Explorer all come with built-in developer tools that allow you to step through JavaScript and execute code in an interactive console. Firefox has limited native support for this, but the Firebug plugin is the de facto standard.

    If you are going to write code, you must be prepared to make sure that it works.

  4. Accessibility
    Developers must be able to write code that is flexible enough to be used in different ways. Search engines and screen readers for the blind are two examples of machines interpreting your code. Sites that are heavy with Flash or foreground images for UI tend to struggle here.

    Accessibility at it's core is really about usability. Can the user use your product? Web developers must know about any obstacles between the user and the product to better design it. Is the product usable on small screens like mobile devices or even older monitors? Do users know to click on a particular button to continue to the next page or is the page difficult to understand?

    How about users with images, cookies, or JavaScript disabled? What if they're just using a really old version of a browser? What do you do for them?

    Know your user, set limits to what you will and will not support, implement a cross-compatible solution, and test thoroughly.

  5. Security
    I leave security for last, but really it's a top priority. Every web developer must understand how malicious people can use their product to attack the site or other even other users.

    If the web developer has skill #1, they should be familiar with the security concerns of the industry and common defenses.

One non-skill that I think deserves recognition on this list is motivation. Web developers should be passionate about what they do and never stop learning more. Read those blogs, pick up a few higher-level books, and go to the networking events like conferences and local meetups. Strive to learn more, improve skills, and educate others.

See question on Quora

Posted on 26 March 2012

Why is Photoshop necessary for web design?

More and more people are comping in HTML and CSS. If you don't need the types of images that Photoshop makes, then skip it.

If you need filled regions, gradients, rounded corners, etc, then feel free to start comping in code. You will get more accurate expectations of how the UI will actually look and function.

With new trends like Responsive Design taking hold, of which I am a fan, there is even less need to comp in photoshop and try to use fixed pixel sizes to account for phone, tablet and laptop design.


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Posted on 24 March 2012

What is the best method for adding 2x images to webpages that will be displayed on the new iPad with Retina graphics?

WebKit deals in logical pixels and a device pixel ratio to render stuff. It knows nothing about the physical pixels of the display. So when you really have 640x960 pixels on the display, your iPhone's Safari will tell you that you have 320x480 pixels to work with a device pixel ratio of 2. If you try to supply an image without any hints, it'll try to render the image at 1x scale in twice the width/height you want (which will be upscaled). However you can give it some hints to tell it what to render at. And this technique is applicable both to iOS devices (which have 1x and 2x scale devices) and Android devices (which have 0.75x, 1x, 1.5x, and 2x scale devices).

Let's pretend you have a source image that is 200x200 at 1x scale, and 400x400 at 2x scale.

If you'd like to use <img> tags to render images, you can pass your 2x scale image as the src, as long as you set the width/height to 200x200 (either as tag attributes or as CSS styles). This is generally not preferable, as you can't really differentiate between different scaled devices this way (unless you're using JavaScript, and at that point you might as well use the next technique). But if you only want to make one asset one time, and don't mind the extra bandwidth, you can use this approach.

The best approach is to use CSS background and background-image to supply your images. The trick here is to use the CSS background-size property to set the render size of the image at 1x (in this case, background-size: 200px 200px). You can combine this with CSS background-position to achieve sprited assets (where you put all your images into one giant image and slice out the relevant parts of it).

The big advantage here is that you can target specific screen scale factors with CSS, using a trick known as CSS media queries. This lets you specify entire CSS files, or parts of CSS files, to load for devices at 1x scale, at 2x scale, and other scales (as well as ranges of scales). This means that 1x scale devices are only loading 1x assets, and 2x scale devices are only loading 2x scale assets. The best way to do this is split your assets into multiple CSS files, and load them using the media attribute, like so:

<link rel="stylesheet" href="1x.css" media="only screen and (-webkit-device-pixel-ratio: 1)" />
<link rel="stylesheet" href="2x.css" media="only screen and (-webkit-device-pixel-ratio: 2)" />

You can also do this in one CSS file like so:

@media only screen and (-webkit-device-pixel-ratio: 1){
.image{ ... }

@media only screen and (-webkit-device-pixel-ratio: 2){
.image{ ... }

There are also -webkit-min-device-pixel-ratio and -webkit-max-device-pixel-ratio selectors you can use, so you can use specific assets for a range of device pixel ratios (which matters if you're targeting Android). The scaling will Just Work across all device pixel ratios when you do this.

You can also query for this property in JavaScript. window.devicePixelRatio will return 1 for 1x scale, 1.5 for 1.5x, 2 for 2x, etc.

UPDATE: As of iOS 5.1, it appears there is an issue with high-resolution JPG images being presented in this manner. WebKit on Retina iPads will downscale the image and then upscale it again, leading to a significantly uglier image. The only known workaround is to use PNG images instead of JPGs (which obviously sucks for high-resolution images, which consume significantly more bandwidth than JPGs). Apple has been made aware of this issue: rdar://problem/11097671. If your image contains greater than 2 * 1024 * 1024 (2097152) pixels when you multiply the width and height together, you must use PNGs, or the image will not appear crisp on the Retina display.

UPDATE 2: There is supposedly a way to work around this, by saving JPEGs in Progressive mode. There is a "Progressive" checkbox in Photoshop's Save For Web which enables this. I haven't tested this myself, but multiple people have reported that it works. Thanks to Iain Anderson in the comments below, as well as codezero on Hacker News.

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Posted on 19 March 2012

Is there an HTML5 framework with dedicated CSS3 for iPad and iPhone?

One year later....

There are a lot of frameworks out there:
- PhoneGap
- Pugpig (for book & magazine)
- BakerFramework and LakerCompendium (for book & magazine)
- SenchaTouch
- jQuery Mobile
- Titanium

Some are free others need you to pay some fees. It really depends on your needs and preferences.

If you need some framework to be responsive, you need to use media queries. The possible list for this type of framework can be found with simple search in Google, so I'm not listing frameworks here.

Obviously you can define your own, which can be the most interesting work to do.

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Posted on 1 March 2012

Is Twitter Bootstrap a good tool to use?

Absolutely. There's two ways that I use it:

1) I use the snippets for figuring out things in CSS. I taught myself quite a bit of CSS from looking through the Bootstrap code and seeing what things did, etc. I also use certain parts of it for other projects, e.g. the forms.

2) You can easily use it for making a project in HTML, and just use Bootstrap to make it look pretty.

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Posted on 23 January 2012

Why does IE9 have such poor support for CSS3 and HTML5?

Microsoft made the choice to implement finalized features of the CSS3 specs. So, technically they might look behind, but actually, they are very much on par with other browsers when you consider that they already had a way to do most of the CSS3 filter effects with the ms-filter notation.

So, the way I look at things, is not about having to add a extra line in CSS that matters, but make sure you have the capability. Anyway, today, even between FF and Webkit based browsers, you have to put the -moz- and -webkit- for most of them.

Changing the -ms-filter to -ms-_css3notation_ would not have any practical benefits. However, the fact that they have hardware accelerated HTML5 Canvas has a much bigger impact (and hopefully push the others to do the same)

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Posted on 11 May 2011

Why does IE9 have such poor support for CSS3 and HTML5?

Microsoft Internet Explorer 9 is a top-notch browser with solid and performant support for HTML, CSS, the DOM, and JavaScript. With the exception of WebGL, which is not a part of HTML (5 or any other version) or CSS (3 or any other version) IE 9 is right up at the front of the pack with Firefox, Chrome, and Opera.

If you're going to assert something in your question, it's worth adding some supporting evidence. If you don't have supporting evidence, perhaps you should rephrase the question so it doesn't come from an unsupported premise.

Your question would have been better worded "Where does Microsoft's IE 9 rank among the other modern browsers in its support for the latest HTML and CSS features?" or something like that.

See question on Quora

Posted on 8 May 2011

reddit.com: search results

Huge list of CSS3 Resources,Tutorials and Libraries to Help You Become a Novice to Expert ...

All the web designers(beginners or intermediates) around the world are excited about the power of CSS3 and the flexibility it offers. With that in mind, I’ve rounded up here a huge list of CSS3 resources, tutorials, tips for you to learn more. In this list I’ve also gathered you some of the best sources of CSS3 goodness.

In order to fully enjoy this gallery you might want to use a modern browser such as Chrome.

CSS3 Resources

*The ultimate list of CSS3 resources, tips, and Tutorials - Really an ultimate article for CSS3 beginners that also has advanced resources

*Push Your Web Design Into The Future With CSS3 - Here are five techniques snatched from the future that you can put into practice in your website designs today.

CSS3 Tutorials

The tutorials are extremely helpful, not only for the professionals, but, also for the beginners.

Swatch Book with CSS3 and jQuery - creating an animated swatch book using CSS rotation transforms and JavaScript.

3D Thumbnail Hover Effects - A tutorial about how to create 3D thumbnail hover effects with CSS 3D transforms and jQuery.

Create a stunning menu in CSS3 - open up your favorite code editor, and let’s make a slick navigation menu using only CSS3.

Custom Drop-Down List Styling - A tutorial on how to create some custom drop-down lists

Making an Impressive Product Showcase with CSS3 - Spicing up a plain old product page with some CSS3 magic!

Animated 3D Bar Chart with CSS3 - A tutorial on how to create an animated 3d bar chart using CSS only.

A Pure CSS3 Cycling Slideshow - This effect will only work properly in modern browsers that support the CSS3 properties.

How to Create an Interactive Graph using CSS3 & jQuery - Code an Interactive Graph using jQuery and CSS3.

Create a Sticky Note Effect in 5 Easy Steps with CSS3 and HTML5

Apple-like Login Form with CSS 3D Transforms - In this tutorial you will see how one can use transforms to create an interesting flipping effect on an Apple-inspired form

How To Create Depth And Nice 3D Ribbons Only Using CSS3 - It is an interesting article that everyone should try the field.

7 Super Easy CSS Recipes to Copy and Paste - Keep in mind that since this stuff is still cutting edge, older browsers won’t support most of it.

How to Create a Stylish Image Content Slider in Pure CSS3 - Use this tutorial just to play around with the last CSS3 features that you will be able to use in the feature.

CSS3 breadcrumbs - Learn how to create your own cool CSS3 breadcrumbs.

Calendar using jQuery and CSS3 - How to Create Calendar using jQuery and CSS3

Orman Clark's Vertical Navigation Menu: The CSS3 Version

Some of the excellent CSS3 Tutorials for Beautiful Design - 50 more resources (some may be repeated)

CSS3 Libraries and Examples

Blur Menu - This is a really well executed and polished demo of a CSS only menu.

CSS3D Clouds - In this demo app you can generate and play around with some astonishingly realistic clouds.

Logos In Pure CSS - Company logos created in pure CSS.

CSS A/Z - An entirely HTML/CSS animated sketch for each letter made (hopefully) every day for 26 days.

Navigation Bar by Jan Kadera - A simple but very stylish navigation bar

Google Doodle in CSS - CSS version of a little Google Doodle animation.

Sliding Image Panels - This is smooth as butter, uses absolutely no JS and the details are polished to the last pixel.

Double ring - A beautiful animated ring in a single div element

Colorful CSS3 Animated Navigation Menu - How to create a colorful navigation menu with animated dropdowns. (No cheating!)

Animate.css - This is hugely popular on github

Spinkit - Spinkit is a collection of easily customizable loading indicators

Buttons - Nothing more, nothing less, just a huge collection of buttons.

On/Off FlipSwitch - Generate pure CSS3 On/Off flipswitches with animated transitions.

Colors.css - Colors.css is for those of you who hate color picking for a hex code.

CSS3 Video Tutorials

CSS3 Video tutorials - 51 videos

submitted by steveharrry to learnprogramming
[link] [20 comments]

Posted on 17 March 2015

Learn HTML5 and CSS3 in under a week. [Update - 150 free coupons]

After my earlier post, we hit over 100 students enrolled. That's 100 soon to be web developers breaking down the programming "wall". Some of my students have already began getting customers to build websites for them! After my previous post I received many positive messages as well as some people that truly wanted to learn, but missed the chance of getting a free coupon. Since Reddit has been so awesome, I'm giving away 150 free coupons for this subreddit. My goal is to get over 250 students learning and enrolled by tonight!


If you used a coupon, make sure to up vote this so we can get everyone we can enrolled!

Update: We just hit 223 enrolled students, that's 223 people that will finally get past the programming "wall" and on their way to becoming web-developers!!

Update 2: Incredible, we hit our goal with 257 enrolled students! Here's one last coupon for those who missed! https://www.udemy.com/html5-and-css3-become-a-web-development-ninja/?couponCode=Reddit30

After that, I'm going to heavily discount the course for everyone on this subreddit to only $19: https://www.udemy.com/html5-and-css3-become-a-web-development-ninja/?couponCode=RedditDiscount

Due to all the awesome feedback, I've decided to lower the cost of this course even more to $15 https://www.udemy.com/html5-and-css3-become-a-web-development-ninja/?couponCode=Reddit15

Also, this is my first course I created on Udemy, I'd love feedback and see what you guys liked/disliked so I can make my next possible course even better.

Just a quick update: We've hit almost 300 enrolled students today!

To address the 3-star issue: This is because I've received my first 1 star review. I've tried multiple times to get in touch with him both during the course and when he posted the review. He hasn't responded to a single message yet and looking at my students he only got through 5% of the course when he put in that review. For whoever this was, I'd love it if you can get in touch with me so we can figure something out :-)

Final update: We've hit 317 enrolled students. I've gotten a ton of positive feedback as well as what people liked/disliked. After this success I've decided that I'm most likely going to be making a much more in depth Web Development course. Anybody who purchases this course will automatically get it free once it's released!

submitted by PrettyCoolGuy13 to learnprogramming
[link] [95 comments]

Posted on 1 February 2015

Hey! I launched my HTML5 and CSS3 Udemy course and I’m offering it free to Reddit for today

Hey guys, I launched my first course last week with some good feedback (5 star reviews) so far and have already got students building websites for others! Pretty awesome! I'd love others to be doing the same and help those beginners trying to get past that programming "wall". Just use the following link: https://www.udemy.com/html5-and-css3-become-a-web-development-ninja/?couponCode=RedditRocks Update: Awesome, all of the free coupons codes got used up, so here's another one for the rest of the day: https://www.udemy.com/html5-and-css3-become-a-web-development-ninja/?couponCode=RedditRocks2 Update 2: Thank you so much for all the interest Reddit! Here's the last free one: https://www.udemy.com/html5-and-css3-become-a-web-development-ninja/?couponCode=RedditRocks3

After that, since Reddit is so awesome, everybody on here gets over 60% off: https://www.udemy.com/html5-and-css3-become-a-web-development-ninja/?couponCode=RedditDiscount Can't wait to see you in class! :-)

Update: I've decided to extend the 60% off coupon to everybody on here forever :-)

submitted by PrettyCoolGuy13 to learnprogramming
[link] [21 comments]

Posted on 31 January 2015

Hey! I updated my HTML5 and CSS3 course and giving it away free on Reddit this week

I've updated my "HTML and CSS Course for Beginners" and am giving it away free on Reddit this week. We have over 10,000 people in the course with great reviews, but now have it on a new platform that I want to test out and make sure it works well so I'm offering it free this week. I'd love to have you sign up and let me know what you think about the platform.

Once you sign up you have lifetime access to the material. Go here to sign up and get it for free: http://courses.makerbased.com/course/html-and-css/?couponCode=redditVIP


submitted by bonesy2286 to learnprogramming
[link] [152 comments]

Posted on 12 November 2014

What are the benefits of site logos fully made in CSS3 over SVG?

For responsive design, I know SVG is the go-to format and most sites have SVG logos of their company/brand on their site headers. But is there any benefit to having the logos made entirely in CSS as opposed to drawing out a vector in Illustrator and saving a SVG of it?

With all the recent updates to CSS3, it's very possible to make many logos solely via CSS. For example, here's a lot of company logos re-created in CSS3: http://www.bchanx.com/logos-in-pure-css-demo

I'm looking to see if there's any real reason someone would want to do this, especially in terms of long-term sustainable web practices. If anyone can shed some light on the subject, I'd appreciate it.

submitted by QuestionAxer to web_design
[link] [23 comments]

Posted on 10 August 2014

I saw this GIF and I thought it would be interesting to recreate it using CSS3. (x-post /r/WebDev)

This GIF is very soothing and I thought it might look interesting if I could recreate it using CSS3 animation.

I created a script in PHP that allowed me to generate the percentages and degree values to get the flow correct, and to keep me from having to copy and paste over and over for all the browser specific prefixes.

Remove the "overflow: hidden;" property of ".graphic" to see the full circle, which feels just as, if not more, soothing as the semi-circle.


submitted by arobson13 to css
[link] [8 comments]

Posted on 29 June 2014

I saw this GIF and I thought it would be interesting to recreate it using CSS3.

This GIF is very soothing and I thought it might look interesting if I could recreate it using CSS3 animation.

I created a script in PHP that allowed me to generate the percentages and degree values to get the flow correct, and to keep me from having to copy and paste over and over for all the browser specific prefixes.

Remove the "overflow: hidden;" property of ".graphic" to see the full circle, which feels just as, if not more, soothing as the semi-circle.


submitted by arobson13 to webdev
[link] [78 comments]

Posted on 29 June 2014

CSS3 Might Allow Dual Flairs

Reddit recently added support for CSS3 in subreddit css. One new feature of that is multiple background images. I think (based on brief testing) that this javascript snippet in your browser's console will create an unholy combination in my test comment below.

Note: some of the hovering features will be disabled because I'm removing things to get around the CSS that's already on flair.

$(".flair-georgiatech").removeClass("flair-georgiatech").removeClass("flair").attr("href","asdfad").html(" ").addClass("flair-testytest").css({"background-image":"url(http://a.espncdn.com/combiner/i?img=/i/teamlogos/ncaa/500/59.png&transparent=true), url(http://a.espncdn.com/combiner/i?img=/i/teamlogos/ncaa/500/61.png&transparent=true)","width":"60px","height":"30px","background-position":"left center, right center","background-repeat":"no-repeat","background-size":"30px","min-width":"60px","min-height":"30px","display":"block"});

submitted by epmatsw to CFB
[link] [30 comments]

Posted on 29 April 2014

Did you notice that the up vote rockets now have animation?

/u/doombeef was the 1st to post about reddit now allowing css v3 for subreddit usage.


So, what's in store for /r/dogecoin next, animated flairs?

Note: The Only way to turn off the new animations is to uncheck the "allow subreddits to show me custom styles" box in preferences under display options.


Welcome to r/dogecoin! This thread is for questions about Dogecar and Dogecoin, so ask away



This is like the doge version of catnip!


Makes me want to do a Barrel Roll!


submitted by slowpokex2 to dogecoin
[link] [419 comments]

Posted on 29 April 2014

Naut 2.1: CSS3 Additions!

Not a very exciting update (yet!), but I wanted to push out some general CSS3 additions that were enabled just now by reddit.


  • Added transitions to several objects such as the tabmenu and submission links.
  • Added minor tweaks for low-resolutions. Try resizing your browser window to see.
  • Fixed filter error.

Unfortunately I'm leaving for a rather long holiday soon so I won't be able to update but I'll definitely do more with it when I get back. I'm not sure how push requests on GitHub work but if you have a nice tweak - give it a shot!

Moderators that already use /r/Naut can just copy paste this bit to add the transition stuff.

When you update, the stylesheet might give an error because the filter property was removed. You have to search and find every instance of it (there are about 5) and remove the whole line. The layout won't be affected.


submitted by Cryptonaut to naut
[link] [31 comments]

Posted on 29 April 2014

Now that reddit allows css3...

Cant we now get the upvote to go upwards(I cant seem to find the post about it, but someone already made the code, they just couldnt implement it due to the old restrictions on what the subreddits could put in the css)

Edit: I found this: http://www.reddit.com/r/dogecoin/comments/23797m/based_on_the_gif_posted_here_earlier_i_wrote_a/ Its not exactly what I was looking for(I remember an actual css code that someone posted) but it shouldnt be that hard to write from scratch, just a few animations of the upvote going upwards and on the moon)

submitted by dombeef to dogecoin
[link] [50 comments]

Posted on 29 April 2014

CSS Change: The filter has been rewritten.

As mentioned in the /r/changelog thread, reddit's CSS filter has been replaced. The new filter is based on tinycss2 which tokenizes CSS for us and allows reddit to apply a whitelist of functions and properties to the CSS.

Existing stylesheets will not be affected by this new filter until the next time you try to save changes.

Bad news

  • IE versions older than IE8 no longer get subreddit CSS. We don't support these browsers for core development on reddit.com anyway and they are much more susceptible to various security issues with user-supplied stylesheets. As a result of this, the new filter drops support for some IE-specific hacks:
  • Backslashes continue to be disallowed in stylesheets. Characters considered "control codes" in Unicode (except linefeeds, carriage returns, and tabs) are also disallowed. Note that stylesheets are encoded as UTF-8 and as such you can use unicode codepoints in it directly without having to resort to escape sequences. ☃
  • Some invalid CSS that passed the old filter is no longer accepted as valid. These are generally typos and syntax errors that were missed by the old parser and should be fixed anyway.

Good news

CSS 3! A plethora of new CSS powers are available now:

And a bunch more. See the code for the full list of properties and functions allowed.

This has been a long time coming. Thank you for your patience and I'm really excited to see what cool new things come out of this (within reason!)

EDIT: note: if you find any deficiencies with the filter, please report them to me in this thread — tinycss2 is almost certainly not where the issue is.

submitted by spladug to cssnews
[link] [183 comments]

Posted on 29 April 2014

Pure CSS3 Star Wars Lightsaber Checkboxes

Hey guys,

I was bored today, and decided to play around with the checkbox "hack".

For those who don't know what that is, it's basically creating CSS click events with checkboxes and it doesn't involve any javascript.

This is how it's done:

input[type=checkbox]:checked ~ div { } 

So here's my code, let me know what you all think. It's not really meant to be UI/UX friendly, but just a neat little demo.

Thanks all!

Landing Page



submitted by scotchio to css
[link] [24 comments]

Posted on 19 May 2013

...and now for a word from our sponsor (because for once we have one *asking* to hear your feedback).

Yesterday, reddit started running ads for a new sponsor. While we normally don't introduce new campaigns [insert joke about never having a campaign to announce], this one is notable because the advertiser actually seems to understand what reddit can offer that traditional advertising (even traditional web advertising) cannot.

See, Microsoft is getting ready to release Internet Explorer 9, and they reached out to us because they genuinely want to start a dialog with the reddit community. In fact, they've taken the unprecedented step of putting the reddit team in charge of this entire campaign. This is a great deal of trust for an advertiser to offer, and we should both take it as a huge compliment.

So, how should we do this? If there's one thing I've learned in my five-plus years at reddit, it's that the direct and open approach works best, so instead of marketspeak, I'm going to paste a quote from Wikipedia:

IE9 will have complete or nearly complete support for all CSS 3 selectors, border-radius CSS 3 property, faster JavaScript, and embedded ICC v2 or v4 color profiles support via Windows Color System. IE9 will feature hardware-accelerated graphics rendering using Direct2D, hardware accelerated text rendering using DirectWrite, hardware accelerated video rendering using Media Foundation, imaging support provided by Windows Imaging Component, and high fidelity printing powered by the XPS print pipeline. IE9 also supports the HTML5 video and audio tags and the Web Open Font Format.

If you have a computer that can run IE9, we'd really like you to try it out and post a review. The actual IE9 programmers are going to read what you have to say, and if you compliment their work, it'll totally make their day. But they also need to hear your complaints. Ideally, in the form of constructive criticism, but we warned them that reddit can sometimes be a little... brisk, so they're prepared for that, too.

One last thing: Microsoft's not the only ones who want your feedback. We at team reddit are interested in hearing what you think of this campaign in a general sense: do you find this kind of advertising more appealing than sidebar ads? Do you have any suggestions as to how it could be even better? (Especially things that could never happen in a magazine.)

Oh, and stay tuned for a Microsoft IamA next week. We're not sure who it will be with yet, but we've been assured it won't just be with flack.

submitted by KeyserSosa to blog
[link] [3316 comments]

Posted on 16 September 2010

AskWebDesign: Can we please stop using "HTML5" as shorthand for "HTML5 Canvas + CSS3 + Javascript"? Maybe we need a name for that, but it's not "HTML5."

Maybe it's just a personal pet peeve, but I really think it's a problem. HTML5, as a term, already means something. HTML5 will not revolutionize the web on its own. You can't animate things using solely HTML5 - and with very few exceptions, even HTML5+CSS3 alone won't do much in the way of animation (yes, some transitions do exist)...

Will the combination of these 3 technologies revolutionize the web? Probably. But a semantic markup specification, by itself, isn't anything remotely close to a "Flash killer", or even a tool for building usable websites. HTML5 without CSS3 is useless.

Do we need a shorter name than "HTML5 Canvas + CSS3 + Javascript" when we're talking about what will compete with Flash? Sure. Maybe "Dynamic Canvas", or "Canvas animations", or something... but HTML5 all by itself is not a competitor to anything but HTML4.

submitted by honestbleeps to web_design
[link] [56 comments]

Posted on 14 May 2010

Hey webbit, here's what I made this weekend: An extension on top of Readability that makes any webpage grow horizontally using fixed-height css3 multicols.

Some of you may remember a page I made a few months ago that used fixed-height css3 multicols. Here's the post. It didn't go over great, but I still loved the concept.

This weekend, I figured it all out. Fixed height columns work really well with the pretty output that Readability produces. So, I created some JavaScript that makes it happen.

The result: Horizontability

Works the same way as Readability. The arrows in the top left (or PgUp and PgDown) scroll the page by column. Arrow keys and mouse wheel scroll the usual way, sort of. It works for me in Firefox, Chrome, and Safari. It should work at any resolution and be most beneficial on wide screens. Many karmas to someone with a ridiculous resolution who posts a screenshot of the entire first chapter of Metamorphosis (the text in the background) in a single window.

edit: No more mousewheel control because it messes up trackpads and all the arrow keys now perform full column jumps; also, there're buttons.

and I forgot to mention a link of a rebuttal of my original idea: here

submitted by etcet to web_design
[link] [24 comments]

Posted on 11 April 2010