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How does the socket API accept() function work?
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4 Answers
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regex for zip-code
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^\d{5}(?:[-\s]\d{4})?$
^ = Start of the string.
\d{5} = Match 5 digits (for condition 1, 2, 3)
(?:…) = Grouping
[-\s] = Match a space (for condition 3) or a hyphen (for condition 2)
\d{4} = Match 4 digits (for condition 2, 3)
…? = The ...
awk without printing newline
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CodeRainCodeRain
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str performance in python
...tly) faster than str:
>>> Timer('str(x)', 'x=100').timeit()
0.25641703605651855
>>> Timer('"%s" % x', 'x=100').timeit()
0.2169809341430664
Do note that str is still slightly slower, as @DietrichEpp said, this is because str involves lookup and function call operations, while % c...
how to override left:0 using CSS or Jquery?
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Jan HančičJan Hančič
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How to base64 encode image in linux bash / shell
I'm trying to base64 encode an image in a shell script and put it into variable:
6 Answers
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Creating a zero-filled pandas data frame
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140
You can try this:
d = pd.DataFrame(0, index=np.arange(len(data)), columns=feature_list)
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ASP.NET MVC Razor Concatenation
...+ Model.Bar.
– Ian Campbell
Jan 5 '14 at 5:46
This gave me the variable in parenthesis. It appears that Razor now unde...
Which is better, number(x) or parseFloat(x)?
...x10'; // => 16
Number('10x'); // => NaN
+'10x'; // => NaN
Number('40'); // => 40
+'40'; // => 40
So I usually just use + for short. As long as you know what it does, I find it easy to read.
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Bash: If/Else statement in one line
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William PursellWilliam Pursell
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