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Optimize Font Awesome for only used classes

... Sass has no idea what classes you are actually using. This is something you will have to manually trim down yourself. Open up the provided .scss file and hack out anything you don't need. Editing the font file itself to eliminate unneeded glyphs requires a 3rd pa...
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Why there is no ConcurrentHashSet against ConcurrentHashMap

... Collections.newSetFromMap creates a SetFromMap. e.g. the SetFromMap.removeAll method delegates to the KeySetView.removeAll, that inherits from ConcurrentHashMap$CollectionView.removeAll. This method is highly inefficient in bulk removing elements. imagine removeAll(Collections.emptySet()) traverses...
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How to get start and end of day in Javascript?

... @MartynDavis when all is normal operation, usually about 0-2 ticks happen in between but it depends on how busy the cpu is so then it makes sense to do that if you are worried about 1 tick precision. – Jason Sebring ...
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Understanding reference counting with Cocoa and Objective-C

...view to playing with the iPhone SDK. I'm reasonably comfortable with C's malloc and free concept, but Cocoa's references counting scheme has me rather confused. I'm told it's very elegant once you understand it, but I'm just not over the hump yet. ...
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List directory tree structure in python?

I know that we can use os.walk() to list all sub-directories or all files in a directory. However, I would like to list the full directory tree content: ...
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Interview questions: WPF Developer [closed]

... Personally I would sit them down in front of a standard developer build machine and ask them to complete some task. No questions, just see what their code is like after a couple of hours (or more if the task is longer). I have had...
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Stacking DIVs on top of each other?

...iv however you want, then position the inner divs using absolute. They'll all stack up. .inner { position: absolute; } <div class="outer"> <div class="inner">1</div> <div class="inner">2</div> <div class="inner">3</div> <div cla...
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How can I strip first and last double quotes?

... If you can't assume that all the strings you process have double quotes you can use something like this: if string.startswith('"') and string.endswith('"'): string = string[1:-1] Edit: I'm sure that you just used string as the variable name f...
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How do I force make/GCC to show me the commands?

... Although the above suggestion of "make -n" worked as well. :) Thank you all for your responses. – hernejj Apr 28 '11 at 14:45 77 ...
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How do you do relative time in Rails?

...e_ago_in_words method (or distance_of_time_in_words), from ActiveSupport. Call it like this: <%= time_ago_in_words(timestamp) %> share | improve this answer | follow ...