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John Carmack's Unusual Fast Inverse Square Root (Quake III)
John Carmack has a special function in the Quake III source code which calculates the inverse square root of a float, 4x faster than regular (float)(1.0/sqrt(x)) , including a strange 0x5f3759df constant. See the code below. Can someone explain line by line what exactly is going on here and why t...
How to RSYNC a single file?
Currently i only RSync-ing the Directories as like:
4 Answers
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How to get a reference to a module inside the module itself?
How can I get a reference to a module from within that module? Also, how can I get a reference to the package containing that module?
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How do you receive a url parameter with a spring controller mapping
This issue seems trivial, but I can't get it to work properly. I'm calling my Spring controller mapping with jquery ajax. The value for someAttr is always empty string regardless of the value in the url. Please help me determine why.
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How to validate GUID is a GUID
How to determine if a string contains a GUID vs just a string of numbers.
9 Answers
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How do you display JavaScript datetime in 12 hour AM/PM format?
How do you display a JavaScript datetime object in the 12 hour format (AM/PM)?
25 Answers
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Iterating a JavaScript object's properties using jQuery
Is there a jQuery way to perform iteration over an object's members, such as in:
4 Answers
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Breaking a list into multiple columns in Latex
Hopefully this is simple: I have a relatively long list where each list item contains very little text. For example:
4 Answ...
Any way to modify Jasmine spies based on arguments?
I have a function I'd like to test which calls an external API method twice, using different parameters. I'd like to mock this external API out with a Jasmine spy, and return different things based on the parameters. Is there any way to do this in Jasmine? The best I can come up with is a hack using...
Why is UnhandledExceptionEventArgs.ExceptionObject an object and not an Exception?
Why is UnhandledExceptionEventArgs.ExceptionObject an object and not an Exception ?
2 Answers
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