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Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
...EE_SHA1_HEX \
"4b825dc642cb6eb9a060e54bf8d69288fbee4904"
Since Git 2.16 (Q1 2018), it is used in a structure which is no longer tied to (only) SHA1, as seen in commit eb0ccfd:
Switch empty tree and blob lookups to use hash abstraction
Switch the uses of empty_tree_oid and empty_blob_...
Convert two lists into a dictionary
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answered Oct 16 '08 at 19:09
Dan LenskiDan Lenski
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Using git commit -a with vim
... all stations."
– cdunn2001
Jul 11 '16 at 17:23
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dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
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answered Mar 18 '16 at 19:07
A5C1D2H2I1M1N2O1R2T1A5C1D2H2I1M1N2O1R2T1
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Remove data.frame row names when using xtable
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166
Use include.rownames=FALSE in the print method.
See ?print.xtable:
R> print(xtable(res), i...
Proper way to make HTML nested list?
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edited Nov 16 '17 at 13:18
Oreo
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iPhone UIButton - image position
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161
My solution to this is quite simple
[button sizeToFit];
button.titleEdgeInsets = UIEdgeInsets...
How to safely upgrade an Amazon EC2 instance from t1.micro to large? [closed]
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LostsoulLostsoul
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How to convert a NumPy array to PIL image applying matplotlib colormap
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answered Apr 16 '19 at 9:58
Shital ShahShital Shah
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Selecting multiple columns in a pandas dataframe
...n range(100)])
df.head()
Out:
A B C D E F
R0 99 78 61 16 73 8
R1 62 27 30 80 7 76
R2 15 53 80 27 44 77
R3 75 65 47 30 84 86
R4 18 9 41 62 1 82
To get the columns from C to E (note that unlike integer slicing, 'E' is included in the columns):
df.l...