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HSL to RGB color conversion

...(which he attributes to a now defunct mjijackson.com, but is archived here and the original author has a gist - thanks to user2441511). The code is re-posted below: HSL to RGB: /** * Converts an HSL color value to RGB. Conversion formula * adapted from http://en.wikipedia.org/wiki/HSL_color_sp...
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What is AF_INET, and why do I need it?

I'm getting started on socket programming, and I keep seeing this AF_INET . 5 Answers ...
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Make a Bash alias that takes a parameter?

...f #calls `myfunction` By the way, Bash functions defined in your .bashrc and other files are available as commands within your shell. So for instance you can call the earlier function like this $ myfunction original.conf my.conf ...
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How to distinguish mouse “click” and “drag”

I use jQuery.click to handle the mouse click event on Raphael graph, meanwhile, I need to handle mouse drag event, mouse drag consists of mousedown , mouseup and mousemove in Raphael. ...
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Why use a ReentrantLock if one can use synchronized(this)?

I'm trying to understand what makes the lock in concurrency so important if one can use synchronized (this) . In the dummy code below, I can do either: ...
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More elegant way of declaring multiple variables at the same time

...called function. This is certainly a reliable way to create dictionaries, and people seem to be at least accepting of this idiom, but I suspect that some may consider it Unpythonic. </disclaimer> Yet another approach, which is likely the most intuitive if you will be using this pattern fr...
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How can I delete multiple lines in vi?

... Sounds like you're entering the commands in command mode (aka. "Ex mode"). In that context :5d would remove line number 5, nothing else. For 5dd to work as intended -- that is, remove five consequent lines starting at the cursor -- enter it in normal mode and d...
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Asp.net MVC ModelState.Clear

...w SomeModel { SomeString = "some value" }; return View(newModel); } And still the view renders with the original model. What's odd is, when I put a breakpoint in the view and examine the model, it has the changed value. But the response stream has the old values. Eventually I discovered ...
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Performance of FOR vs FOREACH in PHP

First of all, I understand in 90% of applications the performance difference is completely irrelevant, but I just need to know which is the faster construct. That and... ...
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What is more efficient? Using pow to square or just multiply it with itself?

What of these two methods is in C more efficient? And how about: 7 Answers 7 ...