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What is the fastest or most elegant way to compute a set difference using Javascript arrays?
...don't know if this is most effective, but perhaps the shortest
A = [1, 2, 3, 4];
B = [1, 3, 4, 7];
diff = A.filter(function(x) { return B.indexOf(x) < 0 })
console.log(diff);
Updated to ES6:
A = [1, 2, 3, 4];
B = [1, 3, 4, 7];
diff = A.filter(x => !B.includes(x) );
console.log(diff);
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How to search for occurrences of more than one space between words in a line
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183
[ ]{2,}
SPACE (2 or more)
You could also check that before and after those spaces words fol...
Linq: What is the difference between Select and Where
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edited Sep 10 '14 at 13:04
community wiki
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Truncate number to two decimal places without rounding
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36 Answers
36
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Securing my REST API with OAuth while still allowing authentication via third party OAuth providers
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123
First I'd like to emphasize the difference between authentication and authorization:
A user aut...
C++ Dynamic Shared Library on Linux
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edited Jan 30 '09 at 21:18
answered Jan 30 '09 at 20:37
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TypeError: 'str' does not support the buffer interface
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If you use Python3x then string is not the same type as for Python 2.x, you must cast it to bytes (encode it).
plaintext = input("Please enter the text you want to compress")
filename = input("Please enter the desired filename")
with gzip.op...
Which version of C# am I using
...to know Framework version anyway:
C:\Windows\Microsoft.NET\Framework\v4.0.30319>csc /?
Microsoft (R) Visual C# 2010 Compiler version 4.0.30319.1
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Difference between await and ContinueWith
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edited Sep 23 '13 at 17:42
answered Sep 23 '13 at 17:26
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Git alias with positional parameters
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371
The most obvious way is to use a shell function:
[alias]
files = "!f() { git diff --name-...