小宋的专栏

By useing #include , you can support both ASCII and Unicode in your program. The tchar.h header file, defined both way to conduct two kinds of character. Use the macro “_UNICODE” to control if use Uni

As is mentioned in my pervious article Thread Management Class, I shall introduce a simple thread pool implemented by the CThread class. For more information about class IRunnable and CThread, please

*Four basic rules for design a Excel table:1.      Every column is assigned with a title. 2.      Store the data by lines, avoid empty lines.3.      Avoid combine the grad.4.      separate the

    -- DLL notes 1 of Windows via C/C++>1.      windows system DLLsThe three most important DLLs in windows:Kernel32.dll, contains functions for managing memory, processes, and threads;User32.

        -- DLL notes 2 of Windows via C/C++> Let’s begin this topic with a question about exporting variables in DLL: Assume one process import a variable from a DLL, and change the value, then

-- DLL notes 3 of Windows via C/C++> Normally, C++ compilers mangle function and variable names. And there are some ways to change the way compilers mangling: extern "C"Using extern "C" tells the co

Here the blocking function stands for any functions that cause the current thread enter the wait state, such as Sleep(),WaitForMultipleObject() and so on.The reason to avoid using blocking function

1, 一些定义ES：由编码器输出，可以是编码过的视频数据流，音频数据流，或其他编码数据流。ES流经过PES打包器之后，被转换成PES包。PES包由包头和payload组成。 PSI：MPEG-2中定义了PSI（Program Specific Information）信息，其作用是从一个携带多个节目的某一个TS流中正确找到特定的节目。 PSI表：PSI表包括节目关联表（PAT）

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Normal 0 7.8 磅 0 2 false false false MicrosoftInternetExplorer4 <!-- /*

Well, with the commercial use of 3G,more and more application will flourish in the mobile platform. And most of theimplement is associated with security such as payment, E-bank, DRM and so on. So

1.    Steps to new a application    a)    New a smart device project    b)    Add additional include directory: ../celib; ../celib/openssl; ../celib/include;    The last path is where the wcecompa

1.         存储类型a)        Data， 直接寻址的内部RAM地址，RAM低128 byte，一个周期内寻址b)        bData，data区的16字节按位寻址区c)        iData，间接寻址的内部RAM地址，RAM高128 byted)        pData，外部存储的256个字节。e)        xData，外部存储区，需要使用

1.         采用短变量。如bData，unsigned char。2.         无符号变量。51不支持符号运算。3.         避免使用浮点指针。浮点运算时要禁止中断。4.         局部变量代替全局变量。编译器分配局部变量在内部存储，全局变量在外部存储。5.         为变量分配内部存储区。6.         使用特定指针。7.   

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1.      _MSC_VER too lowWell,the DDK version is too high, switch to VS 03. MS VC++ 9.0 _MSC_VER = 1500MS VC++ 8.0 _MSC_VER = 1400MS VC++ 7.1 _MSC_VER = 1310MS VC++ 7.0 _MSC

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1.     OverviewMemory leak—the failure to properly deallocate memory that was previously allocated.The Visual Studio debugger and C run-time (CRT) libraries provide effective means for detecting a

Well, multi thread is a useful mechanism in many scenarios. But the thread is not easy to control. Here I will discuss a thread management class which provides a connection between thread function and

    We can use the windows API WideCharToMultiByte()transfer to each other.    The code is as fellows:#ifdef _UNICODE    char pstrService[HOSTNAME_SIZE];    WideCharToMultiByte(CP_AC

 Before opening  a file, it’s better to confirm if it exists.    WIN32_FIND_DATA  fd;    HANDLE hFile = ::FindFirstFile( fName, &fd );     if ( hFile == INVALID_HANDLE_VALUE )   

 int _istdigit(TCHAR): to test if a string is a number. int _ttoi(TCHAR*): is the same as atoi, change a string into a int.    if ( _istdigit( strServiceName[0] ) ) {       nPortNumb

  When using socket class, usually you have to send your data received from remote peer to upper CDialog class, the basic ways are:    1, pass the windows handle (this or m_hWnd)to socket class ob

It’s common to meet troubles when do a programming work, my program crashed, a bug is detected, or my code isn’t robust enough…When confronting a problems, how to deal with it? First of all, quiet

Well there are also many way, such as Override the OnOK() and OnCancel().The easier and more powerful way is to Overrides the function PreTranslateMessage() in the dialog class.BOOL CSer

Usually one exe command is followed by some parameters, such as c:/dir /a; our application can process those parameters, both in win app and console app.Indicate that all paremeters are Separated by

It’s not an easy job, careful design and consideration is needed to make memory allocation and free robust and efficiency. Here just go through the way Open SSL conducting memory leak. Here just give

I believe that the Smart mobile phone will unify the mass media such as telecom, internet, TV, radio and publication. Actually now the latest sell phone is more powerful than my first PC. So I am very

Today meet such a bug, when initial a struct with a redundant bytes, using struct a = {0}; the release build and debug build acts differently! In the debug build, the redundant bytes are filled with

 CSP review:Well, other team need my assistant, while I haven’t tough the CSP for about two years, now do some revisions. Setup debugging environment:1, register the CSP into system. regsvr3

From the name we can see that a singleton class is a kind of class that only has one class object. Why we need to use this pattern? Sometimes we can use it instead of the global variables.  Here i

Under some circumstances you need to control the speed of sending or receiving data in network. The speed of network is always measured by kbps, which means how many bits to send within one second.

1.     Standard Win32 TimersThe classical timer, just call on and kill timer to use. And by the nIDEvent you may use different timer at the same time, and use the same OnTimer callback function. It’

Well, in the really world, there are so many things you have to wait for, my wages up, my promotion, my princess…and those things never send me a signal. Wait for single object seems to be disparate a

Andrei Alexandrescu  The volatile keyword was devised to prevent compiler optimizations that might render code incorrect in the presence of certain asynchronous events. For example, if you decla

<br />  Visual Studio 05 can be used as a powerful debug tool, and you may debug a binary file (exe or dll) as long as you have its corresponding *.pdb file and source code. You do not even have to create a VS project or solution.<br />  Here is the steps: