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split string in to 2 based on last occurrence of a separator
...know if there is any built in function in python to break the string in to 2 parts, based on the last occurrence of a separator.
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Converting an int to a binary string representation in Java?
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answered Mar 9 '10 at 3:26
JackJack
122k2727 gold badges207207 silver badges313313 bronze badges
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What does numpy.random.seed(0) do?
...>>> numpy.random.seed(0) ; numpy.random.rand(4)
array([ 0.55, 0.72, 0.6 , 0.54])
>>> numpy.random.seed(0) ; numpy.random.rand(4)
array([ 0.55, 0.72, 0.6 , 0.54])
With the seed reset (every time), the same set of numbers will appear every time.
If the random seed is not res...
Cast Object to Generic Type for returning
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You have to use a Class instance because of the generic type erasure during compilation.
publ...
CentOS+Nginx+PHP+MySQL详细配置(图解) - 更多技术 - 清泛网 - 专注C/C++及内核技术
... //启动MySQL
#/usr/local/mysql/bin/mysqladmin -u root password 123456 //设置MySQL密码
#cp support-files/my-medium.cnf /etc/my.cnf
#echo "/usr/local/mysql/bin/mysqld_safe &" >>/etc/rc.local
二、安装PCRE
PCRE是perl所用到的正则表达式，目的是让所装...
Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
...application. One thing I noticed is that GCC will optimize the call pow(a,2) by compiling it into a*a , but the call pow(a,6) is not optimized and will actually call the library function pow , which greatly slows down the performance. (In contrast, Intel C++ Compiler , executable icc , will ...
Default function arguments in Rust
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edited Mar 24 '19 at 21:20
answered Jun 5 '14 at 0:06
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Using SSH keys inside docker container
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answered Feb 8 '17 at 22:57
Daniel van FlymenDaniel van Flymen
7,88733 gold badges1919 silver badges3232 bronze badges
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Generating random numbers in Objective-C
...C Library (libc, -lc)
SYNOPSIS
#include <stdlib.h>
u_int32_t
arc4random(void);
void
arc4random_stir(void);
void
arc4random_addrandom(unsigned char *dat, int datlen);
DESCRIPTION
The arc4random() function uses the key stream generator employed by the...