C++

First, the principle of AOP(a) dynamic agent1, see: Java Advanced (vii): detailed Java Agent2, mainly proxy and Invocationhandle R interface(ii) CGLIB implementation1, mainly enhancer and Methodinterceptor interface2, the implementation code is as

Topic:Given a binary tree, return the zigzag level order traversal of its nodes ' values. (ie, from left-to-right, then right-to-left for the next level and alternate between).For example:Given binary Tree {3,9,20,#,#,15,7} , 3 / 9 /

Topic:Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "ABCABCBB" are "abc", which the length is 3. For "bbbbb" the longest substring are "B",

#include #include class string{public:string (): Data_ (new char[1]) {*data_ = ' "; } String (const char* str): Data_ (new Char[strlen (str) + 1]) {strcpy (Data_, str); } String (const string& RHS): Data_ (New Char[rhs.size () + 1]) {strcpy

I. Input and output of the fileHeader file FStream defines three types of supporting files Io:ifstream reading data from a given file, Ofstream writing data to a given file, and fstream reading to the specified data. These types are like the

For the seventh part of this document, please refer to the overview section: http://www.cnblogs.com/harrywong/p/cpp-rvalue-references-explained-introduction.html.Perfect Forwarding (Perfect forwarding): problemAnother problem that the rvalue

1#include 2 voidMain ()3 {4 intI= the, j=4;5 floath;6H= (float) ( the* -/4)/ -;7printf"%.2f", h);8}Note:%f: Does not specify the width, the integer part outputs and outputs 6 decimal places. %M.NF: The output is a total of M columns, where there are

Some famous C + + class libraries1, C + + standard library 2, quasi-standard boost library 3, GUI library 4, network Communication Library 5, XML Library 6, Scientific Computing Library 7, game development Library8, line libraries 9, serialized

Nearly one months have not updated the blog, it is time to move a pen! Because recently in the study of C + +, in the process of learning a lot of books, but also in the actual training encountered some problems. So in the next time, should be in C +

Objective:In the recent development process, there is a need to format the XML to convert from one format to another. Therefore, it is necessary to read the XML for processing. Originally intended to be written as a tool to run under Linux, but

Topic:Implement next permutation, which rearranges numbers into the lexicographically next greater permutation of numbers.If Such arrangement is not a possible, it must rearrange it as the lowest possible order (ie, sorted in ascending order).The

Method 1:CStdioFile File;CString str;File.Open ("D\\1.xls", cfile::modecreate| Cfile::modereadwrite)///If the file does not exist beforehand, it needs to be cfile::modecreate, otherwise it will not needKeywords: location, processing type, event

Main constructorAutomatic attribute initialization expressions are especially useful in conjunction with the main constructor. The main constructor provides a way to reduce the complexity of common object patterns. This feature has been

The regular expression is a very flexible language, matching the same string may be different developers will get different results, in the ordinary time is also used when the relevant information, not when it is left behind the brain, although in

Let's look at two concepts before you introduce them:Formal ParametersAndactual Parameters。 1. the formal parameter declaration is in the parameter list of the method, as in the following code, x and y are formal parameters. 2. An argument is an

As a result of the small series of audio and video solutions used in br_chat for video conferencing system development, so here also with the environment and processing mechanism to do a simple introduction. 1, br_ chat-enumeration of local video

The idea of the problem is very good to think, divided into the following 4 steps:1: Seek the radius of the circumscribed garden2: Ask for three central angle3: Find the greatest common divisor of three center angle4: Greatest Common divisor is the

RPC communication framework-RCF introduction, rpc framework rcf The existing software uses a large number of COM interfaces, resulting in the inability to cross-platform. Of course, due to the tight combination with Windows, there are still many

QSS Style Sheets (1) and qss Style Sheets When developing an application, you often have certain requirements on the appearance of the interface. Qt introduces the QSS mechanism, making the interface beautification work easier. Well, QSS is a bit

The beauty of programming: Chinese chess mastersI. Differences between interview questions and acm questions. I have been reading interview questions over the past few days, and I feel different from my previous questions on acm. In terms of subject