think about whether a category is the best choice for accomplishing your current tasks. 3) class purpose function Cocoa category is mainly used for 3 purposes: first, the implementation of the class is dispersed into different files or different frameworks. Second, create a forward reference to the private method. Third, add an informal agreement to the object. 2, extension of the extension of the class ca
JS Extension Method Instance analysis and js extension instance analysis
This article describes how to implement JS extension methods. Share it with you for your reference. The specific analysis is as follows:
The JS extension method is very similar to the C # extension meth
OC learning --- class extension, oc --- Extension
In the previous article, we introduced the concept and usage of category: Category
To put it bluntly, extension is to make up forForward DeclarationWe know that in C, if you want to call a function, you must declare a function before that, which is frontend.
In OC, in order to make up for this problem in C languag
The following operations are performed in Ubuntu 12.04 and the LAMP environment has been set up.
1. Download PHP source code
1. Install GIT first
sudo apt-get install git
2. Clone PHP source code
cd /git clone https://github.com/php/php-src.gitls
The php-src folder is displayed.
3. Enter the ext directory
cd php-src/extls
You will see many extensions, such as curl and pdo, and the script ext_skel used to create the extension.
2. Create a ske
Object and type (structure, weak reference, extension method), reference Extension
1 public class Program1 2 {3 # region structure 4 // The structure is a value type and stored on the stack 5 // 1: The member variables in the structure cannot have an initial value 6 // 2: the non-argument constructor 7 struct Example 8 {9 // public int Width = 1; // error 10 // public int Height = 1; // error 11 12 public i
The previous section describes the plug-in extension of pure qml, which basically satisfies most of the expansion requirements, and starts with a smaller set of C + +-based extensions(i) Update the plug-in project1. Update the Qmldir file under Myplugin project, add plugin myplugin, where Myplugin is the dynamic library name of the plugin, Under Windows corresponds to MyPlugin.dll, under Linux for more than a month myplugin.so2. Compile the Myplugin p
This is the case.
Made two dynamic library, one is the operation of SQLite, one is the operation of PostgreSQL. These two dynamic library interfaces are the same.
Then make a php extension module, call the SQLite dynamic Library or PostgreSQL dynamic library.
Windows is normal, when the link will find the corresponding LIB, call SQLite or PostgreSQL line.
But Linux, when compiling PHP extension module, only
Try the oci8 extension in PHP and try the phpoci8 extension
Let's share a PHP operation class for Oracle
Oracle_db.class.php
The above is the whole content of this article, I hope you can enjoy
http://www.bkjia.com/PHPjc/1019076.html www.bkjia.com true http://www.bkjia.com/PHPjc/1019076.html techarticle try php oci8 extension, trial phpoci8
The previous section describes the plug-in extension of pure qml, which basically satisfies most of the expansion requirements, and starts with a smaller set of C + +-based extensions(i) Update the plug-in project1. Update the Qmldir file under Myplugin project, add plugin myplugin, where Myplugin is the dynamic library name of the plugin, Under Windows corresponds to MyPlugin.dll, under Linux for more than a month myplugin.so2. Compile the Myplugin p
Why use C to extendC is statically compiled and executes much more efficiently than the PHP code. The same arithmetic code, using C to develop, performance will be hundreds of times times higher than PHP.In addition, the C extension is loaded at the start of the process, and the PHP code can only manipulate the request lifecycle data, and the C extension can operate more broadly.Creating an extended skeleto
I am a rookie, recently engaged in Echarts map. See the official " standard geojson format extension map-the main city of the country" example, the moment is forced. Not a strange example of the official website is not good, I can not understand how it is made. Last night, finally made a look like example. (Have the same feeling of the collection, Master do not spray!) )The following example is I made Shanwei, the link is my project, I will not change
Install the Redis extension and the linuxphpredis extension in php in Linux.
Note: The directory permission chomd 777-R
1. Install redis
Download: https://github.com/nicolasff/phpredis/archive/2.2.4.tar.gz
Upload phpredis-2.2.4.tar.gz to the/usr/local/src directory.
Cd/usr/local/src # enter the package storage directory
Tar zxvf phpredis-2.2.4.tar.gz # Extract
Cd phpredis-2.2.4 # enter the installation dir
Php extension php-redis installation and use, php extension php-redisI. redis Installation
1. Install the redis version.
Download Page: https://redis.io/download
Install an old version 3.2.11: http://download.redis.io/releases/redis-3.2.11.tar.gz
2. After wget is downloaded, decompress the package, cd to the decompressed directory, and then make sudo make install to complete the installation.
3. Start:
In
IOS8 new feature extension (Extension) application three--Photo editor Pluginwith the introduction of the previous blogs, we learned that the extended interactive capabilities offered by the app are more powerful, and this powerful interactivity is reflected in the application of the photo editing plugin. As usual, let's create a project and then a new target, select photo editing: From the template, we c
Extension extensionThe extension extension is used to manage private methods, and instance variables used within the class. Also, instance variables and private methods defined in the extension can only be used in this class. Define extensions in the implementation file.PERSON.M file
#import "Person.h"E
Introduction: This is an extension of the speedphp rapid website development framework (I) detailed page of [Mail Extension]. It introduces the knowledge, skills, and experience related to PhP, and some PHP source code.
Class = 'pingjiaf' frameborder = '0' src = 'HTTP: // biancheng.dnbc?info/pingjia.php? Id = 342379 'rolling = 'no'>
Due to the needs of recent development projects, I have always wanted t
I. Introduction to mcryptMcrypt is an extension of PHP and implements Common encryption.Algorithm. In fact, the extension is the encapsulation of mcrypt standard class library, mcrypt completed a lot of common encryption algorithms, such as des, tripledes, blowfish (default), 3-way, SAFER-SK64, SAFER-SK128, twofish, tea, RC2 and GOST encryption algorithms, and provides four block encryption models: CBC, ofB
At this stage PHP to operate MySQL database PHP to provide us with 3 sets of libraries1. mysql extension library for process operation2. Mysqli expansion Library object-oriented operation and process-oriented operation coexist security and efficiency higher than MySQL extension library3. PDO expansion Library object-oriented operationToday this post is mainly about MySQL
In OC, the classes in the library can be extended on an original basis.For example, to add new attribute variables and methods to nssting, you can create a new. m file in XcodeSelect the corresponding original classThen you can select the extension or classification, the classification will be automatically connected with the + number, the extension will automatically connect with _, such as"Nsstring+securi
Kafka installation and use of Kafka-PHP extension, kafkakafka-php extension. Kafka installation and the use of Kafka-PHP extensions, kafkakafka-php extensions are a little output when they are used, or you will forget it after a while, so here we will record how to install Kafka and how to use kafka-PHP extension and kafkakafka-php
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