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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...
Pull request without forking?
Here are steps of code contribution from the topic " How do I contribute to other's code in GitHub? "
5 Answers
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Undo a Git commit after push using reverse patch?
I've pushed a commit and I want to revert changes introduced by this commit by applying and committing a reversed patch. How do I do it?
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MSTest copy file to test run folder
I've got a test which requires an XML file to be read in and then parsed. How can I have this file copied into the test run folder each time?
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android fragment onRestoreInstanceState
Am I missing something or do Fragment s not have a onRestoreInstanceState() method? If not, how do I go about attaining something similar?
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Get hostname of current request in node.js Express
So, I may be missing something simple here, but I can't seem to find a way to get the hostname that a request object I'm sending a response to was requested from.
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Split list into multiple lists with fixed number of elements
How to split a List of elements into lists with at most N items?
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What is “(program)” in Chrome debugger’s profiler?
What is “(program)” in the function column of the Chrome debugger?
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Why is '397' used for ReSharper GetHashCode override?
Like many of you, I use ReSharper to speed up the development process. When you use it to override the equality members of a class, the code-gen it produces for GetHashCode() looks like:
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How to trigger the onclick event of a marker on a Google Maps V3?
How do I trigger the onclick event of a marker on a Google Maps from outside the map?
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