C++

The writing of the calling function makes the program neat and easy to read when writing C + + code, but the return value of the calling function (the return value of the local variable, the variable, the struct, the array, etc.) is also a matter of

2Finish (5 points)Topic content:The factor of a positive integer is all positive integers that can be divisible by it. And if a number is exactly equal to the sum of factors other than itself, this number is called the end number. For example 6=1+2+3

Using StringBuilderUNITY3D/C language uses Stringbuilder reference header file using System.TextDescribe the difference between StringBuilder and string?strings are string constants. StringBuffer is a string variable, thread safe.  StringBuilder is

Common methods of conversion: Circulation Exchange function transformation in STL standard function library Circulation ExchangeStream conversion is mainly used in the Library of the StringStream class.The conversion between the

Eighth Chapter: IO LibraryNotes1. The C + + language does not directly handle input and output, but rather handles IO through a family of types defined in the standard library. These types support IO operations that read data from the device, write

A queue is a first-in, first-out structure in which data is out of the queue and the end of the team. In the Linux kernel, the process is dispatched, and the print buffers are useful to the queue.Queues can be implemented in a variety of ways, using

How to use macro C (and C + +) in C is a category of compiler preprocessing, which belongs to the concept of compile-time (not run-time concept). The following is a simple summary of the use of macros encountered.About # and # #In a C-language macro,

http://blog.csdn.net/lihao21/article/details/8634876We know that in C + +, if a variable is declared as a const type, the operation that attempts to modify the value of the variable is considered a compilation error. For example[CPP]View PlainCopy 

1. Symmetric encryption algorithmSymmetric encryption is the fastest and simplest way to encrypt encryption (encryption) and decryption (decryption) with the same key (secret key).Symmetric encryption has many algorithms, and because of its high

C currency2.5.ToString ("C")￥2.50D decimal Number25.ToString ("D5")00025E-Scientific25000.ToString ("E")2.500000E+005F fixed point25.ToString ("F2")25.00G General2.5.ToString ("G")2.5N number2500000.ToString ("N")2,500,000.00X Hex255.ToString

First, the development environment layoutAdd support for Word in C # by simply adding a namespace to Microsoft.Office.Interop.Word, as shown in, right-clicking on "References", selecting the COM tab in the "Add Reference" dialog box that pops up,

It's always been a bit confusing for events and delegates, and it's not going to work. Find a time, summed up a bit, feel a lot clearer.Let's start with a personal understanding of the conclusion that: delegate is a type in C # that is actually a

Of course, we need to introduce the System.IO namespace.The first one:public static long Getdirectorylength (string dirpath){Determines whether a given path exists and exits if it does not existif (! Directory.Exists (Dirpath))return 0;Long len =

One of the core foundations of C # 1--delegationOne of the core foundations of C # 1--delegationThe composition of a simple delegateMerging and deleting delegatesSimple discussion of eventsCommission SummaryThe composition of a simple delegate

Design Patterns-Abstract Factory mode (JAVA)In the abstract factory model, a specific factory can produce a group of related specific products, such a group of products become product family, product family of each product belongs to a product

MHT is called "Web Single File". As the name implies, the Web page contains images, CSS files and HTML files are all placed in an MHT file. and the browser can be directly read access.Because of the project needs, you need to save the specified Web

First let's run the log4net first, the sample code can be downloaded at the end of the article.1, first put log4net into the project, in order to demonstrate convenience, we first set up a WinForm program. Under the root directory of the program,

C + + polymorphism is summed up in a nutshell: by adding the virtual keyword to a function in the base class, overriding the function in a derived class, the runtime will invoke the corresponding function based on the actual type of the Object. If

"C Primer Plus" Chinese version Sixth editionFrom the website to search for the book for Beginners and self-study can read the C language books, so online bought a copy.Really good value for money, through the book I have learned a very systematic C

The layer-3 Texture of D3D is rendered by the pixel shader YUV420P and textureyuv420p Briefly record some highlights of YUV420P rendering with Texture over the past two days. During video playback, sometimes the decoded data is YUV420P. Surface can