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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 use clock() in C++
How do I call clock() in C++ ?
7 Answers
7
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Heroku free account limited?
Currently, I am running wordpress as my blog engine on free hosting, but I'm planning to move to use git-based blog engine(Jekyll, Toto) on Ruby platform. Then I see Heroku provides free account features, but I don't see any detail on bandwidth, disk spaces, requests?
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Git stash twice
I had to quickly switch git branches, so I ran git stash , but I had to run it again because one of my files needed editing.
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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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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...
Clear form field after select for jQuery UI Autocomplete
I'm developing a form, and using jQuery UI Autocomplete. When the user selects an option, I want the selection to pop into a span appended to the parent <p> tag. Then I want the field to clear rather than be populated with the selection.
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How to sort an array of objects with jquery or javascript [duplicate]
I have an array of objects:
6 Answers
6
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How to use WinForms progress bar?
I want to show progress of calculations, which are performing in external library.
4 Answers
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How do I view events fired on an element in Chrome DevTools?
I have a customizable form element on a page from a library. I want to see what javascript events are fired when I interact with it because I am trying to find out which event handler to use.
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