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How could I convert data from string to long in c#
...rrect format.
– Ricardo Araújo
Jul 22 at 16:14
That is correct.... this no longer seems to work, as it did on 2013. ...
Why were pandas merges in python faster than data.table merges in R in 2012?
... character to
factor. Factors are still supported. Implements FR#1493, FR#1224
and (partially) FR#951.
New functions chmatch() and %chin%, faster versions of match()
and %in% for character vectors. R's internal string cache is
utilised (no hash table is built). They are about 4 times faster
than mat...
In Clojure, when should I use a vector over a list, and the other way around?
...hickey> ,(sequential? [1 2 3])
[12:21] <clojurebot> true
[12:22] <Raynes> When would you want to use a list over a vector?
[12:22] <rhickey> when generating code, when generating back-to-front
[12:23] <rhickey> not too often in Clojure
...
Convert from MySQL datetime to another format with PHP
...SQL standard format.
– user7116
Aug 22 '13 at 15:11
3
of course, but, when standard exist, it cou...
What do you call the -> operator in Ruby?
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answered Aug 22 '13 at 19:04
YarinYarin
133k134134 gold badges354354 silver badges476476 bronze badges
...
Mercurial move changes to a new branch
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edited Feb 22 '18 at 10:24
Vadim Kotov
6,58788 gold badges4343 silver badges5555 bronze badges
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How to check if a float value is a whole number
... rounding down the cube root of 12000:
>>> int(12000 ** (1.0/3))
22
>>> 22 ** 3
10648
If you are using Python 3.5 or newer, you can use the math.isclose() function to see if a floating point value is within a configurable margin:
>>> from math import isclose
>>&g...
Git push/clone to new server
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answered Sep 9 '09 at 22:20
hobbshobbs
175k1515 gold badges175175 silver badges260260 bronze badges
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What is the “double tilde” (~~) operator in JavaScript? [duplicate]
...
722
That ~~ is a double NOT bitwise operator.
It is used as a faster substitute for Math.floor().
...