Ubuntu编译安装PHP5.6 报错:Cannot find OpenSSL’s
解决办法:
sudo apt-get install libcurl4-openssl-dev pkg-config
apt-get install libssl-dev libsslcommon2-dev
Ubuntu编译安装PHP5.6 报错:Cannot find OpenSSL’s
解决办法:
sudo apt-get install libcurl4-openssl-dev pkg-config
apt-get install libssl-dev libsslcommon2-dev
安卓webview出现 android webview webpage not available
解决办法:
加上 INTERNET 权限即可。
在用VS调试网页时,用videojs播放视频有时出现:a network error caused the media download to fail part-way
解决办法:不要用VS自带的IIS Express,换成系统自带的IIS就行了。
Windows使用命令行开启允许sql server远程连接:
EXEC sys.sp_configure N'remote access', N'1'
GO
RECONFIGURE WITH OVERRIDE
GO
dos命令,根据进程名结束进程
例如要结束 server.exe
taskkill /f /im server.exe /t
在新窗口中重新启动应用
start server.exe
C# 获取程序编译时间
var compileTime = System.IO.File.GetLastWriteTime(System.Reflection.Assembly.GetEntryAssembly().Location);
C#检查系统是否支持HttpListener
// 检查系统是否支持
if (!HttpListener.IsSupported)
{
throw new System.InvalidOperationException("必须为 Windows XP SP2 或 Server 2003 以上系统!");
}
C# 操作INI文件的类
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Text;
namespace server
{
class IniFile // revision 11
{
string Path;
string EXE = Assembly.GetExecutingAssembly().GetName().Name;
[DllImport("kernel32", CharSet = CharSet.Unicode)]
static extern long WritePrivateProfileString(string Section, string Key, string Value, string FilePath);
[DllImport("kernel32", CharSet = CharSet.Unicode)]
static extern int GetPrivateProfileString(string Section, string Key, string Default, StringBuilder RetVal, int Size, string FilePath);
public IniFile(string IniPath = null)
{
Path = new FileInfo(IniPath ?? EXE + ".ini").FullName.ToString();
}
public string Read(string Key, string Section = null)
{
var RetVal = new StringBuilder(255);
GetPrivateProfileString(Section ?? EXE, Key, "", RetVal, 255, Path);
return RetVal.ToString();
}
public void Write(string Key, string Value, string Section = null)
{
WritePrivateProfileString(Section ?? EXE, Key, Value, Path);
}
public void DeleteKey(string Key, string Section = null)
{
Write(Key, null, Section ?? EXE);
}
public void DeleteSection(string Section = null)
{
Write(null, null, Section ?? EXE);
}
public bool KeyExists(string Key, string Section = null)
{
return Read(Key, Section).Length > 0;
}
}
}
C# 格式化时间的格式,如下:
yyyy-MM-dd HH:mm:ss
记忆方法:只有MH(马航)是大写,其它小写。
Qt quick Image 从文件中加载图片:
Image{
width: parent.width
height: parent.height
source: "file:./images/home.png"
}
注意,当前目录是批Qt Creater中设置的工作目录
