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What does the constant 0.0039215689 represent?
...Note:
If you're wondering why such a micro-optimization isn't left to the compiler, it's because it is an unsafe floating-point optimization. In other words:
x / 255 != x * (1. / 255)
due to floating-point round-off errors.
So while modern compilers may be smart enough to do this optimization...
How does bash tab completion work?
...ending 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?
...er or not d is a non-zero number.
Reference here. And, as pointed out in comments, here.
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How to check if a model has a certain column/attribute?
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what's the meaning of '=?' in angularJS directive isolate scope declaration?
...onally I wish it were documented in the scope section directly and not in $compile.
– Jason Axelson
Jul 25 '15 at 23:45
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What are the differences between poll and select?
...uld be possible for the kernel to
not limit this size when the kernel is compiled, allowing the
application to define FD_SETSIZE to whatever it wants (as the comments
in the system header imply today) but it takes more work. 4.4BSD's
kernel and the Solaris library function both have this li...
What is a “web service” in plain English?
...programs can understand the output.
The full definition is obviously more complex but you asked for plain English.
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How to revert to origin's master branch's version of file
I'm in my local computer's master branch of a cloned master-branch of a repo from a remote server.
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