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What does the constant 0.0039215689 represent?
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0.0039215689 is approximately equal to 1/255.
Seeing that this is OpenGL, performance is probably important. So it's probably safe to guess that this was done for performance reasons.
Multiplying by the reciprocal is faster than repeatedly dividi...
How to find out which view is focused?
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edited Sep 15 '16 at 16:44
matiash
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How does bash tab completion work?
I have been spending a lot of time in the shell lately and I'm wondering how the tab autocomplete works. What's the mechanism behind it? How does the bash know the contents of every directory?
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What is the purpose of a plus symbol before a variable?
this really sounds like a simple question but I had no luck searching. what does the +d in
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What's the difference setting Embed Interop Types true and false in Visual Studio?
...adding one reference to the project, the properties window has an option Embed Inteop Types , should we set it to True or False ? What's the difference?
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How to check if a model has a certain column/attribute?
I have a method that needs to loop through a hash and check if each key exists in a models table, otherwise it will delete the key/value.
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what's the meaning of '=?' in angularJS directive isolate scope declaration?
Does the question mark after equals have special meaning? ie:
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Google Chrome display JSON AJAX response as tree and not as a plain text
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To see a tree view in recent versions of Chrome:
Navigate to Developer Tools > Network > the given response > Preview
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How can I verify if a Windows Service is running
I have an application in C# (2.0 running on XP embedded) that is communicating with a 'watchdog' that is implemented as a Windows Service. When the device boots, this service typically takes some time to start. I'd like to check, from my code, if the service is running. How can I accomplish this?
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How would you compare jQuery objects?
So I'm trying to figure out how to compare two jQuery objects, to see if the parent element is the body of a page.
4 Answer...