-Optimization-/O1 minimize space/OP [-] Improve floating point consistency improve floating-Pt consistency/O2 maximum speed maximize speed/OS OptimizationCodeSpace favor code space/OA assume there is no alias assume no aliasing/OT preferred code
Visual c ++
Development tools and debugging skills
Always use
VC
The platform is used to develop things, but sometimes such problems always occur.
,
Here, we will extract some tips for using the Internet Lookup as follows:
,
I hope
Address: http://hi.baidu.com/xiaoyue1800/item/a11a2c4a26da4b04c11613d9
The functions of the arm-Linux tool are as follows:
Arm-linux-addr2line handleProgramThe address is converted to the file name and row number. In the command line,
1. Obtain the path of the current file
1. system. Diagnostics. process. getcurrentprocess (). mainmodule. filenameObtain the complete path of the module, including the file name.2. system. environment. currentdirectoryObtain and set the fully
Tag: Main Parameter DoS
Previously, we saw that all main (INT argc, char * argv []) programs need to enter commands in the doscommand status, and do not know how to open dos, so we have never tried, I met another one today, so I decided to study it.
Argv is, executable File Name, read original image, gray value of the output original image, first-order differentiation of the gray value of the output original image along the X axis, and second-order differentiation of the gray value of the
Argc is the total number of parameters in the command line.
Argv [] is an argc parameter, of which 0th is the full name of the program, and subsequent Parameters
Parameters entered by the user following the command line, such:
Int main (INT argc,
ØReadelf
ReadelfAvailable for displayElfFormat of executable file information. For exampleReadelfViewHello. oInSectionThe result is as follows:
$ Readelf-s hello. oThere are 15 section headers, starting at offset 0x228: Section headers:[Nr]
Function: detects the window information of the specified window and the necessary information of the process. If the window contains a password domain, the password is obtained.
Analysis is divided into three parts: interface, window operation, and
One of Visual C ++ programming skills
1. How can I obtain the instance handle of an application?
2. How to get the pointer to the main window of the application through code?
3. How to Get icons of other programs in the program?
4. How to program
ShellExecuteThe function of ShellExecute is to run an external program (or open a registered file, open a directory, print a file, etc.) and control the external program.
Several API functions can implement these functions, but in most cases,
System environment settings when writing USB device drivers, developers need to use the following software: 1. Microsoft Visual C ++. 2. the SDK (software development kit) is optional. 3. DDK (driver development kit, driver development kit ). Visual
1. How to obtain the application instance handle?
The application instance handle is stored in cwinappim_hinstance. You can call afxgetinstancdhandle to obtain the handle.
Example: handle hinstance = AfxGetInstanceHandle ();
2. How to get the
1. TCP Wrapper is an access control tool based on tcpd access. It can access most TCP-based services. Generally speaking, it can only implement the acceptance of tcpd management explicitly during compilation.
Their working principle is similar to
When starting external applications, we usually use Win32 application programming interfaces or vB Shell functions. Now, there is a system. Diagnostics. Process class in the. NET Framework. You will find it much easier to perform this operation
I always use the VC platform to develop things, but sometimes there is always such a problem. Here, I will sort out the Visual C ++ development tools and debugging skills as follows, hoping to be useful to everyone, this saves you the trouble of
/*************************************** ****************************** This program is a self-replication program. It will copy many programs with different names using its own template,* This replication program also has the ability to replicate
Directory
• Introduction
• Compile
• Run openssl.exe
• Algorithm Programming API
•Introduction
OpenSSL is a widely used open-source SSL implementation. Because various encryption algorithms are implemented for SSL, OpenSSL is also a widely used
There may be one or two bugs in your program, and there are many ways to find bugs, but a good debugger can make this work easier. In most programs of various sizes, it is almost impossible to find out all the bugs in the program. You can only keep
Http://blog.csdn.net/c80486/article/details/8460325
If Raspberry Pi is made into an electric appliance, several actions must be supported when it is powered on.
1. Automatic Logon
2. automatically run the startx startup Window System
3. After the
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