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Pandas index column title or name
...index name.
– Piotr Migdal
Apr 11 '15 at 20:37
14
it should be possible to specify index name at ...
How to increment a pointer address and pointer's value?
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How to add 10 days to current time in Rails
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answered Jan 11 '11 at 5:22
gunngunn
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Run Cron job every N minutes plus offset
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529
To run a task every 20 minutes starting at 5 past the hour, try this:
5-59/20 * * * *
Expl...
Array initializing in Scala
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Vasil RemeniukVasil Remeniuk
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How to get JSON objects value if its name contains dots?
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GoTo Next Iteration in For Loop in java
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352
continue;
continue; key word would start the next iteration upon invocation
For Example
fo...
How to sort a list in Scala by two fields?
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answered Apr 5 '12 at 11:25
seniasenia
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How to get an array of specific “key” in multidimensional array without looping
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265
Since php 5.5, you can use array_column:
$ids = array_column($users, 'id');
This is the prefe...
pandas: filter rows of DataFrame with operator chaining
...the boolean index.
In [96]: df
Out[96]:
A B C D
a 1 4 9 1
b 4 5 0 2
c 5 5 1 0
d 1 3 9 6
In [99]: df[(df.A == 1) & (df.D == 6)]
Out[99]:
A B C D
d 1 3 9 6
If you want to chain methods, you can add your own mask method and use that one.
In [90]: def mask(df, ke...