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How do I run a Ruby file in a Rails environment?

...------ #!/usr/bin/env /Users/me/rails_project/script/rails runner Product.all.each { |p| p.price *= 2 ; p.save! } ------------------------------------------------------------- share | improve this...
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Check if object is a jQuery object

... isn't obj.__proto__.jquery instead of obj.constructor.prototype.jquery enough? just a bit short :) – Axel Jul 3 '17 at 9:35 ...
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Adjust UILabel height to text

...ne about some println's or just a line with only comments (then it says EXC_BAD_ACCESS code=2 as well) – TheBurgerShot Aug 8 '14 at 11:52 6 ...
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How do I use vim registers?

...on Windows (or from "mouse highlight" clipboard on Linux) "*p To access all currently defined registers type :reg share | improve this answer | follow | ...
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c++获取windows程序的版本号 - C/C++ - 清泛网 - 专注C/C++及内核技术

...e <windows.h> #include <atlstr.h> #pragma comment(lib, "version") int _tmain(int argc, _TCHAR* argv[]) { LPCTSTR lpszModuleName = _T("C:\\Windows\\notepad.exe"); // Get the version information size for allocate the buffer DWORD dwHandle; DWORD dwDataSize = ::GetFileVersionIn...
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一个宏命令,就可以程序崩溃时生成dump文件 - C/C++ - 清泛网 - 专注C/C++及内核技术

...pFile { void CreateDumpFile(LPCWSTR lpstrDumpFilePathName, EXCEPTION_POINTERS *pException) { // 创建Dump文件 // HANDLE hDumpFile = CreateFile(lpstrDumpFilePathName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); //...
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vc/mfc *通配符 批量删除文件 - C/C++ - 清泛网 - 专注C/C++及内核技术

...使用SHFileOperation函数:#include "stdafx.h"#include <windows.h>int _tmain(int argc, _TCHAR*...直接上代码,可直接运行亲测有效,使用SHFileOperation函数: #include "stdafx.h" #include <windows.h> int _tmain(int argc, _TCHAR* argv[]) { LPTSTR delFileName = L"c...
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error LNK2019: 无法解析的外部符号 _Netbios@4,该符号在函数 中被引用 - C...

error LNK2019: 无法解析的外部符号 _Netbios@4,该符号在函数 中被引用解决方法如下:Cpp文件include语句之后加上如下代码:#pragma comment(lib,"netapi32.lib")解决方法如下: Cpp文件include语句之后加上如下代码: #pragma comment(lib,"netapi32.lib") ...
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mfc 按钮变成了非xp风格、界面变成windows经典样式的原因总结 - C/C++ - 清...

...xp风格          xp风格stdafx.h中添加:#ifdef _UNICODE#if defined _M_IX86#pragma co...首先看一下xp风格与非xp风格:   非xp风格          xp风格 stdafx.h中添加: #ifdef _UNICODE #if defined _M_IX86 #pragma comment(lin...
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C++ 通过主机名/域名获取IP - C/C++ - 清泛网 - 专注C/C++及内核技术

...2.h> 该头文件定义了Socket编程的功能 #pragma comment(lib,"ws2_32.lib") 连接ws2_32.lib库...代码如下: #include <winsock2.h> //该头文件定义了Socket编程的功能 #pragma comment(lib,"ws2_32.lib") //连接ws2_32.lib库.只要程序中用到Winsock API 函数,...