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What does the constant 0.0039215689 represent?

I keep seeing this constant pop up in various graphics header files 2 Answers 2 ...
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What exactly does the Access-Control-Allow-Credentials header do?

I'm trying to understand how to use CORS and am confused about what the Access-Control-Allow-Credentials header does. 1 A...
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Catching error codes in a shell pipe

... If you really don't want the second command to proceed until the first is known to be successful, then you probably need to use temporary files. The simple version of that is: tmp=${TMPDIR:-/tmp}/mine.$$ if ./a > $tmp.1 t...
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Differences between git pull origin master & git pull origin/master

What is the difference between git pull origin master and git pull origin/master ? 3 Answers ...
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Why is it slower to iterate over a small string than a small list?

...n over a small string took longer than doing the same operation on a list of small single character strings. Any explanation? It's almost 1.35 times as much time. ...
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DirectX SDK (June 2010) Installation Problems: Error Code S1023

... I had the same problem and for me it was because the vc2010 redist x86 was too recent. Check your temp folder (C:\Users\\AppData\Local\Temp) for the most recent file named Microsoft Visual C++ 2010 x64 Redistributable Setup_20110608_xxx.html ## an...
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How do I reset the scale/zoom of a web app on an orientation change on the iPhone?

When I start my app in portrait mode, it works fine. Then I rotate into landscape and it's scaled up. To get it to scale correctly for the landscape mode I have to double tap on something twice, first to zoom all the way in (the normal double tap behavior) and again to zoom all the way out (again, ...
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Difference between two DateTimes C#?

I need a function that can return the difference between the below two dates as 24. 6 Answers ...
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Why doesn't Ruby support i++ or i--​ (increment/decrement operators)?

... 9 Answers 9 Active ...
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“simple” vs “current” push.default in git for decentralized workflow

Functionally speaking, in a decentralized workflow, I don't see the difference between simple and current options for push.default config setting. ...