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How to correctly use the extern keyword in C
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295
"extern" changes the linkage. With the keyword, the function / variable is assumed to be avail...
Adding multiple class using ng-class
...pressions evaluate to true:
<div ng-class="{class1 : expression1, class2 : expression2}">
Hello World!
</div>
To apply multiple classes when an expression holds true:
<!-- notice expression1 used twice -->
<div ng-class="{class1 : expression1, class2 : expression1}">
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Time complexity of Euclid's Algorithm
..., which makes the analysis easier. You can divide it into cases:
Tiny A: 2a <= b
Tiny B: 2b <= a
Small A: 2a > b but a < b
Small B: 2b > a but b < a
Equal: a == b
Now we'll show that every single case decreases the total a+b by at least a quarter:
Tiny A: b % (a % b) < a a...
Xcode stuck on Indexing
A project I've been working for 2 months stopped working for no reason because Xcode got stucked on "Indexing". I can't Build the project anymore. If I try to build, Xcode freezes and I have to force quit. This happens only with this project.
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How can I remove specific rules from iptables?
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492
Execute the same commands but replace the "-A" with "-D". For example:
iptables -A ...
become...
How to convert int to char with leading zeros?
... as varchar(5)), 5)
It will get the result in 5 digits, ex: 00001,...., 01234
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Structs in Javascript
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edited Feb 2 '09 at 7:19
answered Feb 2 '09 at 6:41
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What is tail call optimization?
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772
Tail-call optimization is where you are able to avoid allocating a new stack frame for a functio...
How do I keep track of pip-installed packages in an Anaconda (Conda) environment?
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120
conda-env now does this automatically (if pip was installed with conda).
You can see how this ...