by define

Article 01: think of C + + as a language federalC + + is a MULTI-PARADIGM programming language, a simultaneous support process (procedural), object-oriented (object-oriented), function form (functional), generic form (generic), The language of

SEAJS implements the module development of JavaScript and loads it by module. Used to solve the tedious JS naming conflicts, file dependencies and other issues, the main purpose is to make JavaScript development modular and easy to Load.Official

PHP A basic question to ask everyone. PHP Code $conn =mysql_connect ("localhost", "root", "123456"), if (! $conn) {die (' could not connect: '. Mysql_error ());} else{ echo ' link ok';} mysql_select_db ("zuitu_db", $conn); $sql =

Knowledge Points: 1. Application of Getter and Setter 2. Local variables and member variables (also called global variables) 3.Static keyword usage A. Shared properties of all classes after the member variable is static modified B . After the method

Based on the reference to ISO/IEC 14,882:2003 and cppreference.com C + + preprocessor, this paper gives a comprehensive summary of C + + preprocessing. If there are no special instructions, the listed content is based on the c++98 standard, but not

Write command The command lines in each rule are the same as those in the operating system shell. Make will execute the command one by one in sequence. Each Command must start with a [Tab] key, unless the command is followed by a semicolon after the

Tag: A modifier reference is passed how C + + fine memory allocation connection definitionThe use of the Const keyword in C + + is very flexible, and using the const will greatly improve the robustness of the program, I found in various aspects of

Tag: The function parameter type is exactly the same as const ATI on () The This pointer defines andI. The role of const This is shown in the following table: No. Role Description Reference Code 1 You

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Not only can you define constants in C + + define , but you can also const define constants with the following differences: A #define MAX 255 defined constant is no type, given an immediate number, the compiler simply links the defined

turn from: http://blog.csdn.net/Eric_Jo/article/details/4138548; in C + + The use of the Const keyword is very flexible, and using the const will greatly improve the robustness of the program, I based on the information found in various aspects

Read again primer on the one hand is to check leaks, on the other hand is more in-depth understanding of the essence of C + + ideas. The details and understanding of each knowledge recorded in this review are recorded so as to facilitate subsequent

varFileManager = Nsfilemanager() //get the path to the folder, note: At the end plus/without the same, the recommended end Plus///Define FolderPath varFilePath ="/users/star/desktop/pathname/" //gets the folder under the file

"Reprint" Transfer from https://www.cnblogs.com/chogen/p/4574118.htmlConst is a C + + language qualifier that restricts a variable from being allowed to change. The use of const can improve the security and reliability of the program to some extent.

CommonJS, defines a specification for a synchronous load script. For the browser side, because the JS script is at the far end, it is possible to block threads in a synchronous way for long periods of time. Therefore, the browser side of the JS

Compile and link are the two steps that most languages generate executable programs from the original code.All of them have these two steps because almost any program is not written in a single original file. Compile is processed first for a

1. Replace # define.  When it comes to using const instead of # define, why do you do it, of course, Const is better than # define, and one obvious difference is that const has a data type that can perform type safety checks, while # define is

Refer to the 150 recommendations for improving C + + programs from Li Jian, "writing high-quality code"Recommendation 0 Do not let the main function return voidThe operating system takes main as the program entry, the main function executes the

3.2.2 Constantsand variables can be used in the program to express those that may change the amount of data corresponding to, in C + +, we use constants to express those always remain unchanged data volume. In simple terms, the values, characters,

The development of programming languages:Machine language-directly by the computer's instructions, instructions, addresses, data are "0" and "1" of the symbol string, can be directly executed by the computer.assembly language-with easy-to-understand