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std::next_permutation Implementation Explanation
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172
Let's look at some permutations:
1 2 3 4
1 2 4 3
1 3 2 4
1 3 4 2
1 4 2 3
1 4 3 2
2 1 3 4
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Converting camel case to underscore case in ruby
... underscore
self.gsub(/::/, '/').
gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
gsub(/([a-z\d])([A-Z])/,'\1_\2').
tr("-", "_").
downcase
end
end
Then you can do fun stuff:
"CamelCase".underscore
=> "camel_case"
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Why is it said that “HTTP is a stateless protocol”?
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edited Nov 2 '12 at 17:37
answered Nov 2 '12 at 17:24
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undefined reference to `WinMain@16'
... objdump -x a.exe | findstr /i "^subsystem"
Subsystem 00000002 (Windows GUI)
C:\test> _
Hopefully that's OK so far, although the -mwindows flag is just semi-documented.
Building without that semi-documented flag one would have to more specifically tell the linker which su...
clang error: unknown argument: '-mno-fused-madd' (python package installation failure)
I get the following error when attempting to install psycopg2 via pip on Mavericks 10.9:
14 Answers
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Determine a string's encoding in C#
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devdimidevdimi
2,3561818 silver badges1717 bronze badges
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How to use a variable inside a regular expression?
...double curly braces. Let's say you want to match TEXTO followed by exactly 2 digits:
if re.search(rf"\b(?=\w){re.escape(TEXTO)}\d{{2}}\b(?!\w)", subject, re.IGNORECASE):
print("match")
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Strange out of memory issue while loading an image to a Bitmap object
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Convert to binary and keep leading zeros in Python
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225
Use the format() function:
>>> format(14, '#010b')
'0b00001110'
The format() funct...
Script parameters in Bash
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125
The arguments that you provide to a bashscript will appear in the variables $1 and $2 and $3 wh...