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Is PHP's count() function O(1) or O(n) for arrays?
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Well, we can look at the source:
/ext/standard/array.c
PHP_FUNCTION(count) calls php_count_r...
How do you round a floating point number in Perl?
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Why is MySQL's default collation latin1_swedish_ci?
What is the reasoning behind setting latin1_swedish_ci as the compiled default when other options seem much more reasonable, like latin1_general_ci or utf8_general_ci ?
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Is there a common Java utility to break a list into batches?
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How to make type=“number” to positive numbers only
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how to concatenate two dictionaries to create a new one in Python? [duplicate]
...nate the items and call dict on the resulting list:
$ python -mtimeit -s'd1={1:2,3:4}; d2={5:6,7:9}; d3={10:8,13:22}' \
'd4 = dict(d1.items() + d2.items() + d3.items())'
100000 loops, best of 3: 4.93 usec per loop
Fastest: exploit the dict constructor to the hilt, then one update:
$ python -mtim...
How to use background thread in swift?
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Get number days in a specified month using JavaScript? [duplicate]
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// Month here is 1-indexed (January is 1, February is 2, etc). This is
// because we're using 0 as the day so that it returns the last day
// of the last month, so you have to add 1 to the month number
// so it returns the correct amount of ...
Is there a difference between using a dict literal and a dict constructor?
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Unix command to find lines common in two files
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