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https://www.tsingfun.com/it/cpp/925.html 

C语言判断文件是否存在 - C/C++ - 清泛网 - 专注C/C++及内核技术

C语言判断文件是否存在用函数access,头文件是io.h,原型:int access(const char *filename, int amode);amode参数为0时表示检查文件的存在性,如果文件存...用函数access,头文件是io.h,原型: int access(const char *filename, int amode); amode参数为0...
https://www.tsingfun.com/it/cpp/1351.html 

c++ 写日志通用类,可设置日志级别 - C/C++ - 清泛网 - 专注C/C++及内核技术

...日志级别。代码经过较长时间的测试,可用性高。Logger.h #ifndef __LOGGER_H_ #define __LOGGER_H_ #include <iostream> #include <atlstr.h> #pragma warning(disable:4996) #define LEVEL_FATAL 0 #define LEVEL_ERROR 1 #define LEVEL_WARN 2 #define LEVEL_INFO 3 #define L...
https://www.tsingfun.com/it/cpp/2046.html 

XP风格按钮的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术

....创建基于对话框的MFC工程Test,将下载的XPButton.cpp和XPButton.h放到当前工程目录中,通过Project->Add to project->Add file to project将XPButton.cpp和XPButton.h导入到工程中; 3.在CTestDlg.h添加头文件 #include "XPButton.h"; 4.关闭工程,将工程目录下...
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MFC CEdit控件自绘、MFC圆角输入框 - C/C++ - 清泛网 - 专注C/C++及内核技术

...反射的,是WM_NCPAINT而不是WM_PAINT! 完整代码: MyEdit.h //#################################################################### // Comments: 圆角Edit控件 // // UpdateLogs: //#################################################################### #pragma once class C...
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MFC 日期时间控件CDateTimeCtrl自绘 - C/C++ - 清泛网 - 专注C/C++及内核技术

...期时间控件CDateTimeCtrl自绘先看效果:方法同ComboBox自绘(http: www.tsingfun.com html 2016 code_1110 100.html),采用图片拼接的方式,本例实现较基础仍有细节待...先看效果: 方法同ComboBox自绘(https://www.tsingfun.com/down/code/100.html),...
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解决:error C3861: “CreateDirectory”: 找不到标识符 - C/C++ - 清泛网 ...

...遇到一个奇怪的问题,如题,但是确认已经包含了Windows h(或WinBase h)了,改为 CreateDirectoryA 或 CreateDirectoryW就可以编译通过。 遇到一个奇怪的问题,如题,但是确认已经包含了Windows.h(或WinBase.h)了,改为 CreateDirectoryA 或 CreateDirec...
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error C2143:语法错误 : 缺少“;”(在“*”的前面) error C4430:缺少类型...

1&gt;d:\xxx\childfrm.h(73): error C2143: 语法错误 : 缺少“;”(在“*”的前面) 1&gt;d:\xxx\childfrm.h(73): error C4430: 缺少类型说明符 - 假定为 int。注意: C++ 不支持默认 int 一般这个错误是没有include头文件导致, 仔细检查下 .h 中是不是定义...
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error: ‘uint16_t’ does not name a type - c++1y / stl - 清泛IT社区,为创新赋能!

#include &lt;stdint.h&gt;&nbsp; &nbsp;解决。/** * @file stdint.h * Copyright 2012, 2013 MinGW.org project * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the &quot;Software&quot;), * to deal in the Softw...
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Emulate ggplot2 default color palette

What function can I use to emulate ggplot2's default color palette for a desired number of colors. For example, an input of 3 would produce a character vector of HEX colors with these colors: ...
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Sleep until a specific time/date

I want my bash script to sleep until a specific time. So, I want a command like "sleep" which takes no interval but an end time and sleeps until then. ...