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Reference — What does this symbol mean in PHP?
...is a byte? A byte is made up of 8 bits and the highest value of a byte is 255, which would mean every bit is set. We will look at why a byte's maximum value is 255.
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| 1 Byte ( 8 bits ) |
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|P...
What is the most efficient way to create a dictionary of two pandas Dataframe columns?
...lues,index=df.Position).to_dict()
Out[9]: {1: 'a', 2: 'b', 3: 'c', 4: 'd', 5: 'e'}
Speed comparion (using Wouter's method)
In [6]: df = pd.DataFrame(randint(0,10,10000).reshape(5000,2),columns=list('AB'))
In [7]: %timeit dict(zip(df.A,df.B))
1000 loops, best of 3: 1.27 ms per loop
In [8]: %time...
Custom numeric format string to always display the sign
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edited May 24 '16 at 21:50
Craig
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answered Dec ...
?: operator (the 'Elvis operator') in PHP
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Reset keys of array elements in php?
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Riz-waan
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answered May 8 '12 at 5:09
deceze♦deceze
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How to add item to the beginning of List?
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awk without printing newline
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answered Jan 7 '10 at 16:56
CodeRainCodeRain
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Using bitwise OR 0 to floor a number
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answered Sep 20 '11 at 15:54
JoeJoe
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show all tags in git log
...have the following situation (assuming that it points at some commit)
35805ce <--- 5b7b4ead <=== refs/tags/A
(commit) tag A
(tag)
Please also note that "git tag -f A A" (notice the absence of options forcing it to be an annotated tag) is a noop - it doesn't...