Beauty of C ++ (1)-clever macro Application

# define create_tab (pobj, ID, classname) \ If (pobj = NULL) \ {\ pobj = new classname (this); \ }\ pobj-> Create (ID, this ); \ pobj-> movewindow (0, 24, RC. width (), RC. height ()-24-40); \ pobj-> showwindow (sw_show); crect RC; This->

C ++ Io stream class library from scratch (4): format the output stream (format the output stream in the form of a operator using the IOS member function)

I. format it as a sub-Operator The format of data input and output is controlled using the operator provided in the system header file . Use them as the output object of the insert operator (1) Common stream manipulation operators: (2)

C ++ exceptions from scratch (III): exceptions and inheritance, exceptions and pointers, exception specifications

I. Exceptions and inheritance If the exception type is C ++ and the class has its base class, put the error handler of the derived class in front of it, and the error handler of the base class in the back C ++ code 1 2

Learning the standard library type of C ++ from scratch (2): Vector class introduction and routine

1. Vector type of the standard library A vector is a set of objects of the same type. The data structure of a vector is very similar to an array, allowing efficient and convenient access to a single element. Vector is a class template) template

Linux programming BASICS (4): differences between C-standard library I/O buffers and kernel Buffers

1. c Standard library I/O BufferThe UNIX tradition is everything is a file. The keyboard, display, serial port, disk, and other devices all have a special device file under the/dev directory, these device files can be opened, read, written, and

Inheritance of C ++ from scratch (1): differences between public/private/protection inheritance and overload/overwrite/override

1. Inheritance A very important feature of C ++ is code reuse. The method to reuse code in C language is to copy and modify the code. C ++ can be reused by means of inheritance or combination. Create new classes by combining or inheriting existing

C language-variable description

Standard Format of variable Declaration Storage type data type variable name. For example, static int I = 5; (each variable includes at least the storage type and data type .) Note: before learning the details, you 'd better first look at the

Gis c # Save as a document file

Private void savedocument () { // M_mapdocument = new mapdocumentclass (); // If (m_mapdocument.get_isreadonly (m_mapdocument.documentfilename) = true) // //{ // MessageBox. Show ("this map document is read only! "); // Return; //} //

[Reprinted] aes-encrypted source code version C (2)

# Define decrypt true # define encrypt false # define type bool typedef struct _ AES {int NB; int NR; int NK; unsigned long * word; unsigned long * State;} AEs; /* encrypt data byte * input plaintext byte * insize plaintext Length Byte * out

C # perform registry functions

1. Web /// /// Read the Registry /// /// Public void readregedit () { Registrykey rk = registry. currentuser; Registrykey software = rk. opensubkey ("software "); Registrykey Microsoft = software. opensubkey ("Microsoft ");

Gis c # + ae9.1 overlay code

Try{// Analysis LayerIlayer player = This. axmapcontrol2.get _ layer (0 );Ifeaturelayer pinputfeatlayer = player as ifeaturelayer;Itable pinputtable = player as itable;Ifeatureclass pinputfeatclass = pinputfeatlayer. featureclass; // Overlay

Notes for C ++ multi-thread debugging and Testing

In the last post, I talked about the cross-platform problem of C ++ multithreading. Later, I felt like I was not doing anything. Today, some precautions for debugging and testing when developing C ++ multi-threaded applications. The following

C language pre-Compilation

The pre-processing commands in C are uniformly defined by ansic, but they are not part of the C language itself and cannot be compiled directly because the compilation program cannot recognize them. Before compiling a program (including lexical and

Stack in C ++

---- A good article in the previous article, describing the stack, at least solved the current problem. Bytes. Stack is the storage area for variables that are automatically allocated by the compiler when necessary and clear when not needed. The

Establish development environments such as C, C ++, and GTK in Ubuntu

gtk

I want to learn about C and C ++ Program Development in Linux. I have been studying the establishment of the C language compiling environment in Linux over the past few days, because the library file is missing in the newly installed ubuntu,

C ++ garbage collection mechanism

StandardC ++There is no garbage collection mechanism: 1)No common base class C ++ is developed from C. It allows direct pointer operations and conversion of one type to another. For a pointer, it cannot know the type it actually points; java or C #

China Mobile SMS gateway cmpp3.0 C # source code: cmpp30 class (2)

Protected cmpp_head readhead () { Cmpp_head head = new cmpp_head (); Head. commandid = 0; Byte [] buffer = new byte [12]; Try { If (m_networkstream.dataavailable) { M_networkstream.read (buffer, 0, buffer. Length ); Head. totallength = (uint32)

C # Use APIs to view system information

systeminfo & Lt; Col width = "50%" & gt; & Lt; Col width = "50%" & gt; & Lt; table width = "100%" & gt; window and System Path: system date information: windowsdirectory date systemdirectorylabel time memory

The C ++ template metaprogramming (Chapter 11. A dsel design)

fsm

# Include "stdafx. H " # include # include # include # include # include # include # include # include # include # include # include N Amespace MPL = boost: MPL; using namespace MPL: placeholders; // use recursive "dispatch"

Android native C Development: Environment Building

Original article: http://blog.sina.com.cn/s/blog_4a0a39c30100auh9.html   Android is a Linux-based operating system with an ARM processor. Therefore, you need a cross-compiler to compile Android programs on x86 systems such as Linux and Windows. In

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