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std::next_permutation Implementation Explanation
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172
Let's look at some permutations:
1 2 3 4
1 2 4 3
1 3 2 4
1 3 4 2
1 4 2 3
1 4 3 2
2 1 3 4
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Using “like” wildcard in prepared statement
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282
You need to set it in the value itself, not in the prepared statement SQL string.
So, this s...
Returning first x items from array
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274
array_slice returns a slice of an array
$sliced_array = array_slice($array, 0, 5)
is the co...
Asterisk in function call
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182
* is the "splat" operator: It takes a list as input, and expands it into actual positional argum...
Import pandas dataframe column as string not int
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Just want to reiterate this will work in pandas >= 0.9.1:
In [2]: read_csv('sample.csv', dtype={'ID': object})
Out[2]:
ID
0 00013007854817840016671868
1 00013007854817840016749251
2 00013007854817840016754630
3 00013007854817840016781876
4 00013007854817...
Extract substring using regexp in plain bash
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211
Using pure bash :
$ cat file.txt
US/Central - 10:26 PM (CST)
$ while read a b time x; do [[ $...
TLSF源码及算法介绍 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...f.h
/*
* Two Levels Segregate Fit memory allocator (TLSF)
* Version 2.4.6
*
* Written by Miguel Masmano Tello <mimastel@doctor.upv.es>
*
* Thanks to Ismael Ripoll for his suggestions and reviews
*
* Copyright (C) 2008, 2007, 2006, 2005, 2004
*
* This code is released using a d...
How to not run an example using roxygen2?
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answered Aug 20 '12 at 13:03
GSeeGSee
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How to produce a range with step n in bash? (generate a sequence of numbers with increments)
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201
I'd do
for i in `seq 0 2 10`; do echo $i; done
(though of course seq 0 2 10 will produce th...