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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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How to escape regular expression special characters using javascript? [duplicate]
I need to escape the regular expression special characters using java script.How can i achieve this?Any help should be appreciated.
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How to empty (clear) the logcat buffer in Android [duplicate]
How can I empty (clear) the logcat buffer in Android?
4 Answers
4
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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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SQL Server : GROUP BY clause to get comma-separated values [duplicate]
I am looking to create a query but somehow I am unable to do so. Can anyone please help me out here?
2 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...
TokuMX vs. MongoDB 性能对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
TokuMX vs. MongoDB 性能对比TokuDB 的ft tree 用在MongoDB产品TokuMX已经发布。MongoDB 在大量数据（比如1亿条记录）后，插入性能急剧下降。Tokutek数据带索引插入...TokuDB 的ft tree 用在MongoDB产品TokuMX已经发布。MongoDB 在大量数据（比如1亿条...
Office2013密钥 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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