C++

Simplifies the glog, only retains the function of writing log files, only to rewrite the Linux version, the win version is not rewritten, you can useLog (INFO) Log_if (info,condition) You can also call the Log Class Logger::getinstance () directly.

C language Putenv () function: changing or increasing environment variablesheader file: #include4 To define a function: int putenv (const char * string); Function Description: Putenv () is used to change or increase the

C language fscanf () function: Input function (more commonly used)header file: #include To define a function: int fscanf (FILE * stream, const char *format, ...); Function Description: fscanf () reads the string from the

C language Mkstemp () function: Creating Temporary filesheader file: #include To define a function: int mkstemp (char * template); Function Description: Mkstemp () is used to create a unique temporary file. The last six

C language IsDigit () function: To determine whether a character is an Arabic numeralheader file: #include To define a function: int isdigit (int c); Function Description: Check whether the parameter C is Arabic numerals

Necessary preparatory work and precautions: You need to do the following before you start: A C compiler-I use clang 3.4, and I can use other compilers that support C99/C11. Text Editor-I recommend using an IDE based text editor, I use

Error is: ANDROID.MK file The call method for C + + is: Copy Code code as follows: Local_path: = $ (call My-dir) Include $ (clear_vars) Local_module: = Testndk Local_cpp_extension: =com_ndk_test_jniclient.cpp Include $

This article describes how C + + implements a hexadecimal string conversion to a decimal integer. Share to everyone for your reference. The implementation method is as follows: * * Converts a string of hexadecimal digits (including an optional

Copy Code code as follows: Chash.h:header file #pragma once#include "Sha1.h" #define Size_of_buffer 16000 Class Chash{ConstructionPublicCString Sha1hash (CString strhashfile);}; Copy Code code as follows: CHash.

1. Insert SortThe Insert sort (insertion sort) is a simple and intuitive sort algorithm. It works by building an ordered sequence, scanning the sorted sequence for unsorted data, and finding the location and inserting it. Insert sorting on

The program is a simple 3d animation program written using OpenGL graphics library and Fmod Audio library. This program works well under vs. if the associated DLL file is missing, please confirm that the FMOD and OpenGL libraries have been prepared.

This article illustrates the method of boost string lookup in C + + and share it for everyone's reference. The specific methods are as follows: BOOST String Lookup Example Copy Code code as follows: #include #include #include

Does not parse the configuration content, reads only the file content, cuts off the annotation and the trailing space after writes the cache: Vector. Used by other methods.The code is written in an MFC gadget. ReadProtocol.h Copy Code code as

Objective The component is externally disclosed is an interface; A component can implement multiple interfaces, that is, it can publish multiple interfaces, and before that, you rarely 100% to fully understand all the interfaces of a component,

Builder model In Gof, the foundation of design pattern reusable object-oriented software, it is said that the construction of a complex object is separated from its representation, so that the same build process can create different representations.

In this paper, the C language interface and implementation method are described in detail, which can be used for reference in the deep mastery of C language programming. Share to everyone for your reference. The specific analysis is as follows: In

Related Concepts Definition: An event is a type member that notifies other objects of the occurrence of a particular event in this object. Description: The event is. NET type member is relatively difficult to understand and practice, because the

Protocol buffers (a data description language similar to XML) in the latest version 2.3, the Protoc-py_out command generates only native Python code. Although PB (Protocol buffers) can generate fast parsing and serialization code for the C + +

The method of setting up cookies is very simple, there are two ways to do this: 1, add the cookie value directly: response.cookies["userName"] = "Tom"; response.cookies["UserName"]. Expires = DateTime.Now.AddDays (1); \ expires, cannot be viewed in

I. Coding rules for BASE64The idea of BASE64 encoding is to encode the data using 64 basic ASCII characters. It splits the data that needs to be encoded into a byte array. A group of 3 bytes. Arrange the 24-bit data in order, then divide the 24-bit