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Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le
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Jaap
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answered Feb 19 '11 at 3:50
Greg SnowGreg Snow
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What does multicore assembly language look like?
Once upon a time, to write x86 assembler, for example, you would have instructions stating "load the EDX register with the value 5", "increment the EDX" register, etc.
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How to prevent line break at hyphens on all browsers
We have a ckeditor on our CMS. Our end users will input some long articles via that ckeditor. We need a way to prevent line break at hyphens on those articles.
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Global variables in R
I am poking into the manuals, I wanted to ask the community:
How can we set global variables inside a function?
3 Answers
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What do column flags mean in MySQL Workbench?
In MySQL Workbench table editor there are 7 column flags available: PK, NN, UQ, BIN, UN, ZF, AI.
3 Answers
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Boost智能指针——shared_ptr - C/C++ - 清泛网 - 专注C/C++及内核技术
...让我们通过一个例子看看它的基本用法:
#include <string>
#include <iostream>
#include <boost/shared_ptr.hpp>
class implementation
{
public:
~implementation() { std::cout <<"destroying implementation\n"; }
void do_something() { std::cout << "did something\n"; }
};...
%d,%c,%s,%x等转换符 释义 - C/C++ - 清泛网 - 专注C/C++及内核技术
...doulbe)
%e(%E) 浮点数指数输出[e-(E-)记数法]
%g(%G) 浮点数不显无意义的零"0"
%i 有符号十进制整数(与%d相同)
%u 无符号十进制整数
%o 八进制整数 e.g. 0123
%x(%X) ...
vs2010编译boost若干问题解决 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...问题解决首先说下环境,win7,vs2010。先在http: www.boost.org users download 上下载boost安装包,我下的是1.52.0版。按照说明,直接运行bootstr...首先说下环境,win7,vs2010。
先在http://www.boost.org/users/download/上下载boost安装包,我下的是1.5...
Linux chmod命令用法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...)。可指定多个mode,以逗号分开。
options:
-c,--changes
只输出被改变文件的信息
-f,--silent,--quiet
当chmod不能改变文件模式时,不通知文件的用户
--help
输出帮助信息。
-R,--recursive
可递归遍历子目录,把修改...
%d,%c,%s,%x等转换符 释义 - C/C++ - 清泛IT论坛,有思想、有深度
...doulbe)
%e(%E) 浮点数指数输出[e-(E-)记数法]
%g(%G) 浮点数不显无意义的零"0"
%i 有符号十进制整数(与%d相同)
%u 无符号十进制整数
%o 八进制整数 e.g. 0123
%x(%X) ...