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How to split (chunk) a Ruby array into parts of X elements? [duplicate]
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341
Take a look at Enumerable#each_slice:
foo.each_slice(3).to_a
#=> [["1", "2", "3"], ["4", "...
What is the inverse function of zip in python? [duplicate]
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349
lst1, lst2 = zip(*zipped_list)
should give you the unzipped list.
*zipped_list unpacks the ...
How do I escape spaces in path for scp copy in Linux?
...s you can do (in bash):
scp user@example.com:"'web/tmp/Master File 18 10 13.xls'" .
scp user@example.com:"web/tmp/Master\ File\ 18\ 10\ 13.xls" .
scp user@example.com:web/tmp/Master\\\ File\\\ 18\\\ 10\\\ 13.xls .
share
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JUnit: how to avoid “no runnable methods” in test utils classes
I have switched to JUnit4.4 from JUnit3.8. I run my tests using ant, all my tests run successfully but test utility classes fail with "No runnable methods" error. The pattern I am using is to include all classes with name *Test* under test folder.
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Why isn't my Pandas 'apply' function referencing multiple columns working? [closed]
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381
Seems you forgot the '' of your string.
In [43]: df['Value'] = df.apply(lambda row: my_test(r...
Reason for Column is invalid in the select list because it is not contained in either an aggregate f
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edited Jan 4 '18 at 13:32
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How to select the last record of a table in SQL?
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349
Without any further information, which Database etc the best we can do is something like
Sql ...
Question mark and colon in JavaScript
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366
It is called the Conditional Operator (which is a ternary operator).
It has the form of: cond...
C Macro definition to determine big endian or little endian machine?
... supporting arbitrary byte orders, ready to be put into a file called order32.h:
#ifndef ORDER32_H
#define ORDER32_H
#include <limits.h>
#include <stdint.h>
#if CHAR_BIT != 8
#error "unsupported char size"
#endif
enum
{
O32_LITTLE_ENDIAN = 0x03020100ul,
O32_BIG_ENDIAN = 0x000...