GDB Cheat Sheet
Here is a collection of good GDB Cheat Sheets from the Internet.
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OCaml Learning Materials
ByEric MaOCaml is an interesting functional language. There are lots learning materials on the Internet. I compile a list of resources for OCaml learning and reference. Recommended OCaml learning and reference material Online book of Real World OCaml by Yaron Minsky, Anil Madhavapeddy, Jason Hickey. A very good tutorial by Jason Hickey: http://www.cs.caltech.edu/courses/cs134/cs134b/book.pdf. The OCaml system…
- Linux | Programming | Tutorial
Bash Learning Materials
ByEric MaBash (GNU Bourne-Again SHell) the default shell for many Linux distributions. It is very common for scripting languages in Linux. Bash is easy and straightforward for writing small tools. However, as most tools, it has its grammars that could easily cause bugs if they are not used correctly. Here I summarize a list of good…
Installing ns-2 and ns-3 on Fedora Linux
ByEric Mans is a discrete-event network simulator targeted primarily for research and educational use. There are two version of ns, ns-2 and ns-3, which are quite different with each other in the implementation and method to use them. In this post, we introduce how to install ns-2 and ns-3 on Fedora Linux 15. Install ns-2.34 on…
Inline Assembly with GCC on Linux
ByEric MaOne cool feature of gcc is that it can inline assembly into C code. With inline assembly, the programmer can precisely control the execution of the processor, such as forcing variables to use registers, getting special processor state efficiently, and writing critical efficient code in assembly by hand. I compile a list of tutorials from…
Getting Process Own Pid in C and C++
ByQ AHow to get the running process’ pid in C / C++? In C and C++, you can call the getpid() library function which is a function from the POSIX library. #include <sys/types.h> #include <unistd.h> pid_t getpid(void); getppid() returns the process ID of the calling process. An example C program to get self process ID getpid.c:…
禁止对话框关闭按钮和Alt+F4
ByEric Ma在某些情况下我们需要防止用户单击窗口的标题栏中的关闭按钮关闭 MFC 应用程序。可以删除窗口的WS_SYSMENU 样式， 但是，这样最大化最小化和还原按钮也被删除，并且无法添加。 这是Windows的设计依据。 可以通过禁用关闭按钮来模拟没有关闭按钮的窗口。 在 WM_CREATE 消息处理程序中禁用关闭按钮。使用下面的代码： CMenu *pSysMenu = GetSystemMenu(FALSE); ASSERT(pSysMenu != NULL); VERIFY(pSysMenu->RemoveMenu(SC_CLOSE, MF_BYCOMMAND)); 这样删除之后关闭按钮变为灰色，用户无法点击。但是使用Alt+F4仍然可以关闭程序。要将此功能也禁用需要重载CDialog的OnSysCommand方法。代码如下： void MyDlg::OnSysCommand( UINT nID, LPARAM lParam ) { if ( ( nID & 0xFFF0 ) == IDM_ABOUTBOX ) { CAboutDlg dlgAbout; //if you have an about dialog dlgAbout.DoModal(); } //add the following code else if…