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How to implement a unique index on two columns in rails
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14
@FrançoisBeausoleil %w(user_id content_id) in ruby just creates an array of strings, it's not special to rails. You can do the same with "...
How can I see the current value of my $PATH variable on OS X?
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145
You need to use the command echo $PATH to display the PATH variable or you can just execute se...
How to exclude certain directories/files from git grep search
... See what should be the real answer below: stackoverflow.com/a/30084612/1391445
– user1391445
Dec 9 '15 at 23:38
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How do I interactively unstage a particular hunk in git?
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edited Jul 31 '14 at 12:50
answered Mar 4 '11 at 0:34
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How to select first and last TD in a row?
...or.
– James Allardice
Aug 29 '11 at 14:54
@BoltClock I saw once your solution to this problem using + . something like...
Random row selection in Pandas dataframe
...df.index, 10)].
– naught101
Feb 17 '14 at 2:53
7
Someone in an other post mentioned that np.rando...
What is
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answered May 13 '10 at 14:33
YishaiYishai
83.1k2626 gold badges173173 silver badges248248 bronze badges
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When to use cla(), clf() or close() for clearing a plot in matplotlib?
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answered Nov 22 '11 at 14:54
David ZwickerDavid Zwicker
19.2k44 gold badges4949 silver badges6969 bronze badges
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Change values while iterating
...he actual
value in the slice:
0xf84000f010 vs. 0x7f095ed0bf68
0xf84000f014 vs. 0x7f095ed0bf68
0xf84000f018 vs. 0x7f095ed0bf68
So the only thing you can do is to either use pointers or the index, as already proposed by jnml and peterSO.
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request exceeds the configured maxQueryStringLength when using [Authorize]
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Eat at Joes
4,14411 gold badge3333 silver badges3535 bronze badges
answered Nov 16 '11 at 22:24
counsellorbencounse...