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Internet Explorer's CSS rules limits

I've read conflicting information regarding Internet Explorer's silly CSS limits. I am (think I am) understanding that you can only have 31 <style> and <link> tags (combined), and that each sheet can have up to 31 @import -s (so 31 <link> -s, each to 31 @import -s is fine, a...
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Iterate a list as pair (current, next) in Python

I sometimes need to iterate a list in Python looking at the "current" element and the "next" element. I have, till now, done so with code like: ...
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Efficiency of Java “Double Brace Initialization”?

In Hidden Features of Java the top answer mentions Double Brace Initialization , with a very enticing syntax: 15 Answe...
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Create subdomains on the fly with .htaccess (PHP)

I am looking to create a system which on signup will create a subdomain on my website for the users account area. 9 Answer...
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Can jQuery get all CSS styles associated with an element?

Is there a way in jQuery to get all CSS from an existing element and apply it to another without listing them all? 5 Answer...
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How to store printStackTrace into a string [duplicate]

How can I get the e.printStackTrace() and store it into a String variable? I want to use the string generated by e.printStackTrace() later in my program. ...
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Do sealed classes really offer performance Benefits?

I have come across a lot of optimization tips which say that you should mark your classes as sealed to get extra performance benefits. ...
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What is the most efficient string concatenation method in python?

Is there any efficient mass string concatenation method in Python (like StringBuilder in C# or StringBuffer in Java)? I found following methods here : ...
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Listing only directories using ls in Bash?

This command lists directories in the current path: ls -d */ 26 Answers 26 ...
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Git: How do I list only local branches?

git branch -a shows both remote and local branches. 9 Answers 9 ...