database abstraction layer

PDO is a "database access abstraction Layer" that unifies the access interfaces of various databases, and PDO makes cross-database usage more affinity than MySQL and mysqli libraries, and PDO is more efficient than ADODB and MDB2. For now,

Note: This article is from the network, does not represent a personal opinion, do not spray 1. Do not use tools such as Phpdoc to properly annotate your code 2. Turn a blind eye to an excellent integrated development environment such as Zend Studio

1, do not write comments (is a good habit, but there is no need to write each statement)2. Do not use IDE tools that can improve productivity3. Do not use version control4. Do not write code according to programming specifications5, do not use a

I. Problem OriginWebsites with a slightly larger size usually have several servers. Each server runs modules with different functions and uses different second-level domain names. The user system of a website with a strong integrity is unified, that

As a PHP programmer, there will be several suitable onesMany of these tools may already be used. However, since some people have not even noticed the existence of these tools, I will start from now on. Well, don't talk nonsense. Below is a list of

10 best Python frameworks for Web development and 10 webpython Python is one of the most popular and code-efficient programming languages in the modern IT world. The Python framework helps you quickly start Web applications.1. CubicWeb The most

Introduction and Installation Method of the Python Flask framework, pythonflask framework Read this article before using Flask. I also hope that this article will answer questions about the initial intention and objectives of the Flask project and

I think MySQL anti-injection is not necessary ah? Recently in the study of SQL injection prevention, are escaping the user input of some special characters, I do not think it seems necessary ah. User login, I only allow numbers, letters,

Approximate number of different script source code files that may be included or requested on the Web server (recommended value is 1024~4096).; If you are unsure, set to 0; This setting is primarily for sites that have thousands of source

Polygons are some of the most useful PHP class libraries, and it's sure to provide a better and faster way for your web development. Chart Library Pchart – a library where you can create a chart. Libchart – This is also a simple

First StageFirst, the Web Foundation1.1 Basic knowledge of the website;1.2 Introduction of network protocols;1.3 b/S and C/s structure of the difference;1.4 Web programming, Web development technology Introduction.Second speaking, web design2.1

1. Object-oriented programming (OOP)2. Template engine (Smarty)3. MYSQL (Intermediate operation)Database abstraction Layer (PDO):4. Ajax (Asynchronous refresh)5. JS Framework (JQuery)Xml+json dataHTTP protocol6, WebService ()7. Socket Technology8.

PHP official website www.php.netCurrent mainstream version is 5.6/7.1One, download the PHP package:wget http://cn2.php.net/distributions/php-****.tar.gzSecond, unzip the PHP package:Tar zxf php-****.tar.gzInto the PHP fileCD php-****Three, start

Today, database operations are increasingly becoming a performance bottleneck for the entire application, which is especially noticeable for web applications. It's not just about the performance of the database that DBAs need to worry about, it's

1. Optimize your MySQL query cacheQuerying on the MySQL server enables high-speed query caching. Having the database engine quietly handled in the background is one of the most effective ways to improve performance. When the same query is executed

The PHP development framework has recently become a hot topic for discussion in the PHP community, and new frameworks are being introduced almost daily.  In the face of more than 40 development frameworks on the market, it's hard to tell which one

You are a novice PHP , if you: 1. Do not use tools such as Phpdoc to properly annotate your code 2. Turn a blind eye to an excellent integrated development environment such as Zend Studio or eclipse PDT 3. No form of version control system has ever

Chart Gallery The following class library allows you to create complex diagrams and pictures. Of course, they need the support of the GD library. Pchart -a library in which you can create statistical charts. Libchart -This is also a simple

First, IntroductionFlask is a mini-framework developed based on Python and relies on jinja2 templates and Werkzeug Wsgi services, for the Werkzeug essence is the socket server, which is used to receive HTTP requests and preprocess requests, and then

PHP Benefits 1. Cross-platform, superior performance, with Linux/unix combined with Windows strong performance of 45%, and with many free platform combination is very economical, such as lamp (linux/apache/mysql/php) or Famp (Freebsd/apache