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In the actual project development, there will be many objects, how to manage objects efficiently and conveniently, and become an important link that affects program performance and maintainability. Java provides a collection framework to solve such

1 files and directories of Linux Modern operating systems introduce files for long-term storage of information that can be stored independently of the process, and the logical units of the files that create information as processes can be used

XML carefully places the file or other data source and the abstract model of the XML document away. If you want to determine whether an XML document has been modified to compare two XML documents for equality, it can be inconvenient to compare a

XML in the first article in this series, I studied the performance of some of the main XML document models written in Java. However, performance is only part of the problem when you start to select this type of technology. Ease of use is at least as

If only one way to use the database is correct, you can create database design, database access, and database based PHP business logic code in a number of ways, but the end result is usually a mistake. This article describes the five common problems

What IBATIS is. This section describes the individual APIs in IBATIS, and why you might use them, and understand the advantages of IBATIS over other database mapping frameworks. IBATIS Framework In short, the IBATIS is made up of two separate

In the early days of PHP programming, PHP code was inherently limited to process-oriented. The process code is characterized by the use of procedures to build application blocks. Procedures provide some degree of reuse by allowing calls between

Ruby languages are often praised for their flexibility. As Dick Sites says, you can "program for programming." Ruby on Rails extends the core Ruby language, but it is Ruby itself that makes this extension possible. Ruby on Rails uses the language's

Use 10 to improve your UNIXGood Habit of command line efficiency-and get rid of bad usage patterns in this process. This article guides you step by step to learn several techniques used for command line operations, which are very good but are often

Program Is simple. However, in front of programmers, multithreading presents a new set of difficulties. If it is not properly solved, it will lead to unexpected behavior and subtle and hard-to-find errors.In this article Article To address one of

Seven Habits of writing secure PHP applications, seven habits of writing secure PHP applications, including remote security and local security. This article will reveal the habits PHP developers should develop when implementing Web applications with

Cao RuO Shen (ruoshen_c@sjtu.edu.cn), graduate student of computer science, Shanghai Jiao Tong University August 31, 2007 At the end of 2006, Sun released the final official version of Java Standard Edition 6 (Java SE 6), codenamed Mustang

Expose five common database problems in PHP applications-including database pattern design, database access and use of database business logic code-and their solutions. Expose five common database problems in PHP applications-including database

Security in php applications includes remote security and local security. This article will reveal the habits PHP developers should develop when implementing Web applications with these two types of security. When talking about security issues, you

OverviewLog technology provides an important support for the quality and service of the product. The JDK has been added to the logging mechanism since version 1.4, which facilitates Java developers. However, this logging mechanism is based on the

Innocence Many popular toys are based on such a concept: simple building blocks. These simple blocks can be combined in a variety of ways to construct a new piece of work-sometimes even completely unexpected. This concept also applies to real-life

Reverse Ajax, part 1:introduction to Comet in the past few years, web development has changed a lot. Today, we expect to be able to access applications quickly and dynamically through the web. In this new article series, we learned how to use

 Aside district The aside area in the Acme United Plan can be created by using the tag. This label is seen as a place to store supplemental content that is not part of a continuous article that it supplements. In magazines, the aside is often

JavaScript is a relatively complete front-end development language, in today's web development applications are very wide, especially for Web 2.0 applications. As Web 2.0 becomes more and more popular today, we will find that there will be a lot of

Writing UNIX® system programs is fun and instructive. Using the UNIX strace tool and GDB (GNU Project Debugging Tools), you can really delve into the functionality of the system and understand the various programs that make up these features. Using