Jon V-优快云博客

原创 CImage缩放图片、截图图片

C++ Cimage裁剪缩放图片

2023-09-07 21:43:22 709 1

原创 Severity Code Description Project File Line Suppression StateError (active) E0167 argument of type

问题源码： long stime=time(0); printf("\nS_Time: %s",ctime(&stime)); 解决方式： long stime=time(0); time_t temp = stime; printf("\nS_Time: %s", ctime(&temp));

2021-12-19 21:55:03 2674

1.下载安装下载zip包，解压到c:\java_env_mysql8下, 2.配置环境变量把c:\java_env_mysql8\bin放入到系统path变量中 3.编写my.ini文件，放置于c:\java_env_mysql8\下，内容如下： [mysqld] # set basedir to your installation path basedir=C:\\JAVA_ENV\\mysql8 # set datadir to the location of your data .

2021-11-18 12:11:01 200

原创 VC6.0-＞VS2019 C++ Error C2440 ‘initializing‘: cannot convert from ‘const char ‘ to ‘char ‘

报错源码： CString m_strMWStrata; char* pTarget = strstr(m_strMWStrata, "role:"); 错误信息： Error C2440 'initializing': cannot convert from 'const char *' to 'char *' 解决方案： char* pTarget = const_cast<char*>(strstr(m_strMWStrata, "role:")); 原因分析： c++

2021-11-07 09:41:54 2107

第12月工资与年终奖税收最优化分配计算器

在国家税法规定允许范围内, 在保持年终奖与第12 月工资总额为给定值的条件下，计算出最优的工资与奖金分配，使纳税人纳税最优。纳税基数为5000.可批量Excel导入工资表计算。

2018-11-20

ButterWorth巴特沃斯滤波库

ButterWorth巴特沃斯滤波64B位 C++库，支持高通、低通、带通、带阻滤波。需要32位库请私信。提供C#调用方法： public static class ButterFilter { [DllImport("V_Filter.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)] public extern static void DeleteFilter(IntPtr filter); [DllImport("V_Filter.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)] public extern static double FilterProcess(IntPtr filter, double data); [DllImport("V_Filter.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)] public extern static IntPtr CreateHighPass(double sampleRate, double order, double cutoffFrequency); [DllImport("V_Filter.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)] public extern static IntPtr CreateLowPass(double sampleRate, double order, double cutoffFrequency); [DllImport("V_Filter.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)] public extern static IntPtr CreateBandPass(double sampleRate, double order, double centerFrequency, double bandWidth); [DllImport("V_Filter.dll", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)] public extern static IntPtr CreateBandStop(double sampleRate, double order, double centerFrequency, double bandWidth); } 初始化滤波器： lowpassFilter= ButterFilter.CreateLowPass(sampleRate, order, endFreq); highpassFilter= ButterFilter.CreateHighPass(sampleRate, order, endFreq); bandstopFilter= ButterFilter.CreateBandStop(sampleRate, order,beginFreq, endFreq - beginFreq); bandPassFilter= ButterFilter.CreateBandPass(sampleRate, order,beginFreq, endFreq - beginFreq); 数据滤波： value = ButterFilter.FilterProcess(highpassFilter, value);

2018-11-21

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weimouer的博客

原创 CImage缩放图片、截图图片

原创 Severity Code Description Project File Line Suppression StateError (active) E0167 argument of type

原创 windows环境下手动安装Mysql8

原创 VC6.0-＞VS2019 C++ Error C2440 ‘initializing‘: cannot convert from ‘const char ‘ to ‘char ‘

第12月工资与年终奖税收最优化分配计算器

ButterWorth巴特沃斯滤波库

GetEquipmentInLAN

MS VC++ 6.0 MFC类库参考手册

一个MFC C++ 回调非静态成员函数的问题，请大家看看问题出在了哪里。 non-standard syntax; use '&' to create a pointer to member

原创 CImage缩放图片、截图图片

原创 Severity Code Description Project File Line Suppression StateError (active) E0167 argument of type

原创 windows环境下手动安装Mysql8

原创 VC6.0-＞VS2019 C++ Error C2440 ‘initializing‘: cannot convert from ‘const char *‘ to ‘char *‘

第12月工资与年终奖税收最优化分配计算器

ButterWorth巴特沃斯滤波库

GetEquipmentInLAN

MS VC++ 6.0 MFC类库参考手册

一个MFC C++ 回调非静态成员函数的问题，请大家看看问题出在了哪里。 non-standard syntax; use '&' to create a pointer to member

原创 VC6.0-＞VS2019 C++ Error C2440 ‘initializing‘: cannot convert from ‘const char ‘ to ‘char ‘