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check if directory exists and delete in one command unix
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answered Jun 20 '16 at 13:32
Nick GrealyNick Grealy
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How to return an empty ActiveRecord relation?
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Patrick Brinich-Langlois
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answered Apr 3 '12 at 20:39
steveh7steveh7
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Comparing two NumPy arrays for equality, element-wise
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402
(A==B).all()
test if all values of array (A==B) are True.
Note: maybe you also want to test ...
how to restart only certain processes using supervisorctl?
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answered Sep 7 '18 at 0:00
Paused until further notice.Paused until further notice.
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Why do I need 'b' to encode a string with Base64?
...s 8-bit binary byte data and encodes it uses only the characters A-Z, a-z, 0-9, +, /* so it can be transmitted over channels that do not preserve all 8-bits of data, such as email.
Hence, it wants a string of 8-bit bytes. You create those in Python 3 with the b'' syntax.
If you remove the b, it be...
LD_LIBRARY_PATH vs LIBRARY_PATH
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edited Mar 28 '19 at 9:01
jfs
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answer...
Add a duration to a moment (moment.js)
Moment version: 2.0.0
3 Answers
3
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iOS multiline label in Interface builder
...aximum number of lines a label can have. By default, it's 1. Setting it to 0 means the label will have unlimited lines.
You can do it in code:
textLabel.numberOfLines = 5 // for example
Or in Interface Builder:
share
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Variable is accessed within inner class. Needs to be declared final
...dea :-)
– Kevin Zhao
Oct 12 '15 at 20:15
15
In retrospect, using global variables is a bad idea i...
How do I update my forked repo using SourceTree?
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edited Jun 29 '16 at 14:01
answered Nov 7 '12 at 16:23
Aa...