What tool is svn?
The full name of svn is subversion, which is a version control system. It is an open source version control system. Through the efficient management of the branch management system, in short, it is used for multiple people to jointly develop the same project. Share resources and achieve ultimate centralized management.
#The full name of SVN is Subversion, which is a version control system. It is one of the most popular open source version control systems. As an open source version control system, Subversion manages data that changes over time. This data is placed in a central repository (Repository). This archive is much like a regular file server, but it remembers every file change. This allows you to restore a file to an older version or browse the file's change history. Subversion is a general-purpose system that can be used to manage any type of file, including program source code.
SVN adopts a client/server system. Various versions of the project are stored on the server. The program developer will first obtain the latest version of the project from the server and copy it to the local machine, and then On this basis, each developer can carry out independent development work on his own client and can submit new code to the server at any time. Of course, you can also obtain the latest code on the server through update operations to maintain consistency with the versions used by other developers. [3]
There are two types of SVN clients, one is Web-based WebSVN, etc., and the other is client software represented by Tortoise SVN. The former requires the support of a web server, and the latter requires users to install the client locally. Both types have free open source software for use. SVN also stores version data in two ways: BDB (a transaction-safe table type) and FSFS (a storage system that does not require a database). Because the BDB method may lock the data when the server is interrupted, the FSFS method is safer.
SVN Advantages
1. Storage
SVN server has the advantages of data storage that CVS has, such as information resources will form resources after storage The tree structure is convenient for storage, data is generally not lost, and it has its own characteristics. SVN uses relational databases and binary storage methods to solve the problem of being unable to read and write the same file at the same time, and at the same time adds its own unique "zero or one" principle.
2. Speed
Compared with people’s initial CVS, SVN has greatly improved in terms of speed. Because the SVN server only supports the transmission of a small amount of information and resources, it supports offline mode more than other systems, thus avoiding network congestion.
3. Security
SVN is a technically safer product that combines both system and control aspects. On the one hand, the security functions of the overall system can be effectively distributed among the branch systems, thereby ensuring the normal operation of the branch systems, so that each branch system can complement each other. Finally, the security of the system as a whole can be guaranteed, and the ultimate pursuit can be achieved through the principle of balance. security purposes.
The above is the detailed content of What tool is svn?. For more information, please follow other related articles on the PHP Chinese website!
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
How to use the chrono library in C?
Apr 28, 2025 pm 10:18 PM
Using the chrono library in C can allow you to control time and time intervals more accurately. Let's explore the charm of this library. C's chrono library is part of the standard library, which provides a modern way to deal with time and time intervals. For programmers who have suffered from time.h and ctime, chrono is undoubtedly a boon. It not only improves the readability and maintainability of the code, but also provides higher accuracy and flexibility. Let's start with the basics. The chrono library mainly includes the following key components: std::chrono::system_clock: represents the system clock, used to obtain the current time. std::chron
How to measure thread performance in C?
Apr 28, 2025 pm 10:21 PM
Measuring thread performance in C can use the timing tools, performance analysis tools, and custom timers in the standard library. 1. Use the library to measure execution time. 2. Use gprof for performance analysis. The steps include adding the -pg option during compilation, running the program to generate a gmon.out file, and generating a performance report. 3. Use Valgrind's Callgrind module to perform more detailed analysis. The steps include running the program to generate the callgrind.out file and viewing the results using kcachegrind. 4. Custom timers can flexibly measure the execution time of a specific code segment. These methods help to fully understand thread performance and optimize code.
How to use string streams in C?
Apr 28, 2025 pm 09:12 PM
The main steps and precautions for using string streams in C are as follows: 1. Create an output string stream and convert data, such as converting integers into strings. 2. Apply to serialization of complex data structures, such as converting vector into strings. 3. Pay attention to performance issues and avoid frequent use of string streams when processing large amounts of data. You can consider using the append method of std::string. 4. Pay attention to memory management and avoid frequent creation and destruction of string stream objects. You can reuse or use std::stringstream.
How to optimize code
Apr 28, 2025 pm 10:27 PM
C code optimization can be achieved through the following strategies: 1. Manually manage memory for optimization use; 2. Write code that complies with compiler optimization rules; 3. Select appropriate algorithms and data structures; 4. Use inline functions to reduce call overhead; 5. Apply template metaprogramming to optimize at compile time; 6. Avoid unnecessary copying, use moving semantics and reference parameters; 7. Use const correctly to help compiler optimization; 8. Select appropriate data structures, such as std::vector.
What is static analysis in C?
Apr 28, 2025 pm 09:09 PM
The application of static analysis in C mainly includes discovering memory management problems, checking code logic errors, and improving code security. 1) Static analysis can identify problems such as memory leaks, double releases, and uninitialized pointers. 2) It can detect unused variables, dead code and logical contradictions. 3) Static analysis tools such as Coverity can detect buffer overflow, integer overflow and unsafe API calls to improve code security.
How to understand DMA operations in C?
Apr 28, 2025 pm 10:09 PM
DMA in C refers to DirectMemoryAccess, a direct memory access technology, allowing hardware devices to directly transmit data to memory without CPU intervention. 1) DMA operation is highly dependent on hardware devices and drivers, and the implementation method varies from system to system. 2) Direct access to memory may bring security risks, and the correctness and security of the code must be ensured. 3) DMA can improve performance, but improper use may lead to degradation of system performance. Through practice and learning, we can master the skills of using DMA and maximize its effectiveness in scenarios such as high-speed data transmission and real-time signal processing.
What is real-time operating system programming in C?
Apr 28, 2025 pm 10:15 PM
C performs well in real-time operating system (RTOS) programming, providing efficient execution efficiency and precise time management. 1) C Meet the needs of RTOS through direct operation of hardware resources and efficient memory management. 2) Using object-oriented features, C can design a flexible task scheduling system. 3) C supports efficient interrupt processing, but dynamic memory allocation and exception processing must be avoided to ensure real-time. 4) Template programming and inline functions help in performance optimization. 5) In practical applications, C can be used to implement an efficient logging system.
How to implement loosely coupled design in C?
Apr 28, 2025 pm 09:42 PM
To implement loose coupling design in C, you can use the following methods: 1. Use interfaces, such as defining the Logger interface and implementing FileLogger and ConsoleLogger; 2. Dependency injection, such as the DataAccess class receives Database pointers through the constructor; 3. Observer mode, such as the Subject class notifies ConcreteObserver and AnotherObserver. Through these technologies, dependencies between modules can be reduced and code maintainability and flexibility can be improved.