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Determine if Python is running inside virtualenv

Is it possible to determine if the current script is running inside a virtualenv environment? 16 Answers ...
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How to avoid “cannot load such file — utils/popen” from homebrew on OSX

... The problem mainly occurs after updating OS X to El Capitan (OS X 10.11) or macOS Sierra (macOS 10.12). This is because of file permission issues with El Capitan’s or later macOS's new SIP process. Try changing the permissions for the /usr/local directory: $ sud...
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pdf2htmlEX实现pdf转html - 开源 & Github - 清泛网 - 专注C/C++及内核技术

...amGobbler extends Thread { InputStream is; String type; OutputStream os; StreamGobbler(InputStream is, String type) { this(is, type, null); } StreamGobbler(InputStream is, String type, OutputStream redirect) { this.is = is; this.type = type; this...
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psql: could not connect to server: No such file or directory (Mac OS X)

Upon restarting my Mac I got the dreaded Postgres error: 21 Answers 21 ...
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Java current machine name and logged in user?

Is it possible to get the name of the currently logged in user (Windows/Unix) and the hostname of the machine? 4 Answers ...
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fstream默认不支持中文路径和输出整数带逗号的解决办法 - C/C++ - 清泛网 -...

...输出创建文件夹失败的信息。 一个解决办法是:在中文操作系统下,调用locale::global(std::locale("")),将全局区域设置为中文,如下例: #include <iostream> #include <fstream> #include <string> #include <direct.h> using namespace std; void main(...
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C++/COM VARIANT实现二维数组 - C/C++ - 清泛网 - 专注C/C++及内核技术

...传递次数是提高效率的一种有效方法。其中,Excel表格的操作就可能涉及到大量数据,一次传递一个二维数组是提高对Excel表的操作效率。下面以两种不同方式来实现VARIANT二维数组的操作。 1、使用SAFEARRAY实现二维数组 SAFEARRAY...
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MFC OnKeyDown没反应,不响应键盘操作 - C/C++ - 清泛网 - 专注C/C++及内核技术

MFC OnKeyDown没反应,不响应键盘操作在MFC中添加键盘的消息响应,通常是通过OnKeyDown函数来完成消息的捕捉和响应。afx_msg void OnKeyDown(UINT nChar, UINT nRepCnt, U...在MFC中添加键盘的消息响应,通常是通过OnKeyDown函数来完成消息的捕捉和...
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C/C++获取Windows的CPU、内存、硬盘使用率 - C/C++ - 清泛网 - 专注C/C++及内核技术

...是一个32位无符号整型数据。 while (DiskInfo)//通过循环操作查看每一位数据是否为1,如果为1则磁盘为真,如果为0则磁盘不存在。 { if (DiskInfo & 1)//通过位运算的逻辑与操作,判断是否为1 { ++DiskCount; ...
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分析系统哪个环节最耗时(Where Slow) - 更多技术 - 清泛网 - 专注C/C++及内核技术

分析系统哪个环节最耗时(Where Slow)前些天翻了翻「Wireshark数据包分析实战」,总结了一下汇聚成本文。所谓慢,通常只是整体的主观感受,我们真正应该关心的是哪个环节最耗时...前些天翻了翻「Wireshark数据包分析实战」,...