学好web开发必备那些知识了
我不会数据库,要去买本数据库的书详细的读一遍,在研究一遍吗?
还有其他的乱七八糟的东西都有哪些了?
最好按照重要的排在前面的顺序写一些啊
各位侠男侠女们
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看懂这里 http://www.w3school.com.cn/ 的一半就可以了
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你要看 PHP和MySQL web开发这本书吧
个人觉得相当于web开发字典。
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先看哪本有关系吗? 两本都看最好。
先看 数据库的知识 最全看手册
http://dev.mysql.com/doc/refman/5.1/zh/index.html
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所以说什么书都不要看的
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你去书店看看吧 觉得PHP和MySQL web开发它可以你就先看着 。
网上手册教程也多 边做边学。
至于你那本《数据库系统概论》觉得有帮助你也可以看呢 。
实在不知道百度一下看数据库先学哪本好不,被你标题忽悠了,以为你要看web这方面的
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主要看你工作需要吧。需要什么就补什么、
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这个担忧完全没必要的
数据库增 删 改 查 你总知道撒
网上好多书不是用来打基础的吗?那书里面的数据库语句能有多深,而且都会讲解的。
直接到书店去看看 哪本你觉得好就看哪本,也没听说谁规定好了学习数据库的书籍教程吧
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说实话我学php是从一个非常简单的留言簿源码入手的,开始只要学习对数据库的增 删 改 查几个操作就行,等上手后再研究吧
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http://www.w3cschool.cn/
最重要的是动手和实践
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还是呓视频好点,先视频再看书,容易懂点,视频总结国经验.
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嘿嘿,交个朋友哇!
我也在学
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http://www.w3cschool.cn/ 这个网站不错 都是基础知识
还是php100 视频也可以 都是基础教程

PHP is mainly procedural programming, but also supports object-oriented programming (OOP); Python supports a variety of paradigms, including OOP, functional and procedural programming. PHP is suitable for web development, and Python is suitable for a variety of applications such as data analysis and machine learning.

PHP originated in 1994 and was developed by RasmusLerdorf. It was originally used to track website visitors and gradually evolved into a server-side scripting language and was widely used in web development. Python was developed by Guidovan Rossum in the late 1980s and was first released in 1991. It emphasizes code readability and simplicity, and is suitable for scientific computing, data analysis and other fields.

PHP is suitable for web development and rapid prototyping, and Python is suitable for data science and machine learning. 1.PHP is used for dynamic web development, with simple syntax and suitable for rapid development. 2. Python has concise syntax, is suitable for multiple fields, and has a strong library ecosystem.

PHP remains important in the modernization process because it supports a large number of websites and applications and adapts to development needs through frameworks. 1.PHP7 improves performance and introduces new features. 2. Modern frameworks such as Laravel, Symfony and CodeIgniter simplify development and improve code quality. 3. Performance optimization and best practices further improve application efficiency.

PHPhassignificantlyimpactedwebdevelopmentandextendsbeyondit.1)ItpowersmajorplatformslikeWordPressandexcelsindatabaseinteractions.2)PHP'sadaptabilityallowsittoscaleforlargeapplicationsusingframeworkslikeLaravel.3)Beyondweb,PHPisusedincommand-linescrip

PHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values and handle functions that may return null values.

In PHP, use the clone keyword to create a copy of the object and customize the cloning behavior through the \_\_clone magic method. 1. Use the clone keyword to make a shallow copy, cloning the object's properties but not the object's properties. 2. The \_\_clone method can deeply copy nested objects to avoid shallow copying problems. 3. Pay attention to avoid circular references and performance problems in cloning, and optimize cloning operations to improve efficiency.

PHP is suitable for web development and content management systems, and Python is suitable for data science, machine learning and automation scripts. 1.PHP performs well in building fast and scalable websites and applications and is commonly used in CMS such as WordPress. 2. Python has performed outstandingly in the fields of data science and machine learning, with rich libraries such as NumPy and TensorFlow.


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