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What's the simplest way to test whether a number is a power of 2 in C++?
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edited Dec 2 '15 at 3:59
jbranchaud
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answer...
Creating hard and soft links using PowerShell
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Jason R. CoombsJason R. Coombs
34.9k77 gold badges7272 silver badges8080 bronze badges
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How to group dataframe rows into list in pandas groupby?
..., 'b':[1,2,5,5,4,6]})
df
Out[1]:
a b
0 A 1
1 A 2
2 B 5
3 B 5
4 B 4
5 C 6
In [2]: df.groupby('a')['b'].apply(list)
Out[2]:
a
A [1, 2]
B [5, 5, 4]
C [6]
Name: b, dtype: object
In [3]: df1 = df.groupby('a')['b'].apply(list).reset_index(name='new')
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invalid byte sequence for encoding “UTF8”
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edited Sep 11 '17 at 20:03
JuanMoreno
1,3511212 silver badges2121 bronze badges
answered Feb 1 '11 at 2...
In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
... classes.
– MrName
Mar 12 '18 at 21:39
1
abstract classes were available long before Django 1.10
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Android Center text on canvas
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384
Try the following:
int xPos = (canvas.getWidth() / 2);
int yPos = (int) ((canvas.getHeight(...
Windows batch: echo without new line
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Nicholas DiPiazza
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answered Aug 18 '11 at 10:05
arneparnep
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Git command to show which specific files are ignored by .gitignore
...re **/*
(or a find -exec command)
Note: https://stackoverflow.com/users/351947/Rafi B. suggests in the comments to avoid the (risky) globstar:
git check-ignore -v $(find . -type f -print)
Make sure to exclude the files from the .git/ subfolder though.
Original answer 42009)
git ls-files -i...
Check if UIColor is dark or bright?
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W3C has the following:
http://www.w3.org/WAI/ER/WD-AERT/#color-contrast
If you're only doing black or white text, use the color brightness calculation above. If it is below 125, use white text. If it is 125 or above, use blac...
Python read-only property
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answered Jan 29 '13 at 23:42
Silas RaySilas Ray
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