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How can I initialize base class member variables in derived class constructor?
...n you get this done? Like this:
class A
{
public:
A(int a, int b) : a_(a), b_(b) {};
int a_, b_;
};
class B : public A
{
public:
B() : A(0,0)
{
}
};
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Strip spaces/tabs/newlines - python
...emove such that a single line solution would be gratuitously long:
removal_list = [' ', '\t', '\n']
for s in removal_list:
myString = myString.replace(s, '')
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...
How to get the file extension in PHP? [duplicate]
...omething that's actually designed for what you want: pathinfo():
$path = $_FILES['image']['name'];
$ext = pathinfo($path, PATHINFO_EXTENSION);
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Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...JDK压缩包。
一般解压到/user/local/下，形成/usr/local/jdk1.7.0_79/bin这种目录结构。
配置JAVA_HOME环境变量：echo 'export JAVA_HOME=/usr/local/jdk1.7.0_79' >> ~/.bashrc。
3.2 安装Logstash
去官网下载Logstash的压缩包。
一般也解压到/usr/local/下，形成...
What techniques can be used to speed up C++ compilation times?
...more than once in a single translation unit.
#pragma once
#ifndef filename_h
#define filename_h
// Header declarations / definitions
#endif
By using both the pragma and the ifndef, you get the portability of the plain macro solution, as well as the compilation speed optimization that some compi...
How to set environment variables in Python?
...
@darth_coder It's true for all processes on Unix-like operating systems. I don't know about the other operating system. Note that shell variables are not stored in the environment unless you export them.
– S...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注IT技能提升
...Data);
VARIANT GetAsVariant();
protected:
LPSAFEARRAY m_pSA;
private:
};
It provides the exact same features that you will want to use with SAFEARRAY object but its usage may be simpler for some of us (like me!). The function GetAsVariant may be useful in case when you...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注IT技能提升
...Data);
VARIANT GetAsVariant();
protected:
LPSAFEARRAY m_pSA;
private:
};
It provides the exact same features that you will want to use with SAFEARRAY object but its usage may be simpler for some of us (like me!). The function GetAsVariant may be useful in case when you...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注IT技能提升
...Data);
VARIANT GetAsVariant();
protected:
LPSAFEARRAY m_pSA;
private:
};
It provides the exact same features that you will want to use with SAFEARRAY object but its usage may be simpler for some of us (like me!). The function GetAsVariant may be useful in case when you...
C++应用程序添加VBScript和JavaScript支持 - C/C++ - 清泛网移动版 - 专注IT技能提升
...Data);
VARIANT GetAsVariant();
protected:
LPSAFEARRAY m_pSA;
private:
};
It provides the exact same features that you will want to use with SAFEARRAY object but its usage may be simpler for some of us (like me!). The function GetAsVariant may be useful in case when you...