PHP

The JSON data parsing method using jquery is used as the transmission object of jquery asynchronous requests. The result returned by the jquery request is a json object, which is considered in the form of a JSON string returned by the server, JSON

When you use the groupby group for query, the default group is sorted, which may reduce the speed. adding orderbynull after groupby can prevent sorting 1. when you query by group by, the default group is sorted, which may reduce the speed. adding

The ultimate goal of a website is to increase the traffic to earn revenue. There are two ways to get the traffic: External links and seo optimization. The ultimate goal of a website is to increase the traffic to earn revenue. There are two ways to

Because there are many elements in a number Group, when we locate the elements of an array, we usually use the form of the underlying method of the elements of the array. But sometimes, especially when traversing every element in the array (in a set,

In the protected Directory, create a folder named "vendor/smarty" and put the smarty class package into it. 1. create a folder named vendor/smarty under the protected directory and put the smarty class package into it. 2. create the file Csmarty.

When yii was used today, a connection error occurred to the database and the couldnotfinddriver error was reported. it turns out that the php_pdo_mysql module of the database was not opened because yii operated data with pdo, so it is necessary to

Cartesian product: refers to the multiplication of the number of records of two tables without any conditions. it has a large amount of data. Therefore, we use conditions to restrict connections. Use commas to separate tables and then use the where

Many may have headaches for regular expressions. Today, I want to use the expressions that ordinary people can understand with my understanding and some online articles. Share your learning experience with you. Many may have headaches for regular

The progress has been very slow since the update in December May ~ After that, Penguin opened the menu application permission, which is more user-friendly than the command method. A project of the company draws a UI by itself. it looks okay, so it

In terms of search engine optimization SEO, Baidu seems to prefer the keyword TAGS. In terms of search engine optimization SEO, Baidu seems to prefer the keyword TAGS. Principle: use Wordpress's built-in wp_tag_cloud () functionThe code for

Dynamic website? The data on the page comes from the database (or other data sources). when a user needs to request a data, our application language (PHP) what is PHP displayed to users after it is obtained in the database? Programming language. PHP:

Problem: You need to process each byte in the string separately. for example, calculate the number of vowels contained in a string. Solution: Use the for loop to traverse every byte of a string Problem: You need to process each byte in the string

When the value of the articleid variable is 123, let's assume what code will run on the server? When the value of the articleid variable is 123, let's assume what code will run on the server? 1. SELECT */* Select function read information */ 2. FROM

It is very simple. it is used for file sharing on the web. 1. execute the * nix command to obtain the file in the local directory. 2. Generate the download link. 3. support the Chinese name, the name may contain spaces. 4. Save the source code as

PHP5.5.0 is officially released, and brings a complete list of new features and functions. One of the new APIs is PasswordHashingAPI. It contains four functions: password_get_info (), password_hash (), password_needs_rehash (), and password_verify ()

During the development process, the current module often calls methods of other modules, which involves cross-module calls, we can also learn how to use ThinkPHP to extract the ThinkPHP manual for shortcuts A and R (cross-module ). During the

In the previous article, the wordrpess hook is used. the filter is equally important. it is also an important interface for plug-in development. the filter principle is not as good as the hook, but the function is different. The "action hook" In the

To add features to a topic as you like, you must understand the hooks and filters of wordpress. Wordpress hooks and filters are also the basic knowledge of plug-in development. To add features to a topic as you like, you must understand the hooks

In the previous tutorial (5), we put the header code common to all template files in one file (header. php), in the same way, our bottom information, such as the copyright statement, is basically shared by all pages. In the previous tutorial (5), we

Learn the knowledge required in this tutorial: basic html and css, a little understanding of php. Learn the knowledge required in this tutorial: basic html and css, a little understanding of php. Environment: There is a php development environment,