In school, there is a distinction between "liberal arts students" and "science students", with different learning contents and different ways of thinking. I am a science student. My major in college was computer science. After graduation, I worked as a software engineer. In the process, I discovered that the gap between liberal arts and science could never be bridged. Many engineers I see are afraid of writing articles, while liberal arts students have a headache when they see code.
I think programmers should develop the habit of writing. Because writing articles will exercise many skills that are very useful for programming.
The core thing that writing articles and writing code have in common is that they both require the ability to think clearly. Top software engineers are often also excellent writers. Their articles are as logical as their code, and their writing is smooth and elegant.
Articles and code have many similarities: both start from a blank page and eventually turn an idea into a complete product and promote it to a specific audience; both writing articles and writing code require you to put together a series of relevant Logical statements are encapsulated into modules, which can be functions or paragraphs of articles; good code, like good articles, needs to be concise and concise, otherwise it will waste CPU resources or human energy.
When a product is almost completed, software engineers will be as anxious as a writer whose work is about to be published. Just like writing articles, software is never completely finished. Engineers need to spend more time optimizing the code, developing new features, or redoing a certain part because they worry that the published work does not show their best side.
Software engineers should write because development collaboration is becoming more and more important these days. Open source projects can get participation from people around the world. Developing and operating a product often requires a large number of engineers (Google Maps has 1,100 full-time employees!). Whether it's GitHub comments, code comments, or technical documentation, clear and accurate writing is required. Good writing skills facilitate communication between people and make projects run better.
You may feel that some projects do not require communication and collaboration, but writing about software usually promotes learning and further discussions. Now, we no longer need to learn from RFC documents or technical manuals, because there are tutorials written by other engineers on the Internet. Additionally, we were able to learn a lot from Hacker News comments, Twitter, and various blogs.
Speaking of blogs, let me say a few words. Good writing takes time. The text we write at the beginning may not be very good. At this time, we need to spend more time, revise it several times, and polish it. If you feel that you are too busy to blog, don’t know what to write, or are worried about your views being publicly recorded, you should take some time to read Steve Yegge’s You Should Blog. Write Blogs) this article. Even if the ideas in it don't convince you, I believe you will gain something after reading it.
Software engineers need to write because they may enjoy the process of writing. Many software engineers expect that the software they develop can "make an impact" and bring changes to people's lives. In fact, by writing articles, you can also "influence" people. For example, a blog post about management can help others motivate their teams, a blog post about teaching programming may arouse a student's interest in learning computer science, and a blog post about career planning may arouse a student's interest in learning computer science. Articles can help graduates find new career directions.
Even if no one reads your article, the process of writing is beneficial and harmless. It helps you clarify your thoughts, clarify your views on a certain issue, and strengthen or weaken your certain views. There’s so much value in condensing messy thoughts into concise words.
In short, writing can help improve the level of software development and make collaboration during the development process easier. Even for a science student, it is a very worthwhile thing to do.
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PHP is a server-side scripting language used for dynamic web development and server-side applications. 1.PHP is an interpreted language that does not require compilation and is suitable for rapid development. 2. PHP code is embedded in HTML, making it easy to develop web pages. 3. PHP processes server-side logic, generates HTML output, and supports user interaction and data processing. 4. PHP can interact with the database, process form submission, and execute server-side tasks.

PHP has shaped the network over the past few decades and will continue to play an important role in web development. 1) PHP originated in 1994 and has become the first choice for developers due to its ease of use and seamless integration with MySQL. 2) Its core functions include generating dynamic content and integrating with the database, allowing the website to be updated in real time and displayed in personalized manner. 3) The wide application and ecosystem of PHP have driven its long-term impact, but it also faces version updates and security challenges. 4) Performance improvements in recent years, such as the release of PHP7, enable it to compete with modern languages. 5) In the future, PHP needs to deal with new challenges such as containerization and microservices, but its flexibility and active community make it adaptable.

The core benefits of PHP include ease of learning, strong web development support, rich libraries and frameworks, high performance and scalability, cross-platform compatibility, and cost-effectiveness. 1) Easy to learn and use, suitable for beginners; 2) Good integration with web servers and supports multiple databases; 3) Have powerful frameworks such as Laravel; 4) High performance can be achieved through optimization; 5) Support multiple operating systems; 6) Open source to reduce development costs.

PHP is not dead. 1) The PHP community actively solves performance and security issues, and PHP7.x improves performance. 2) PHP is suitable for modern web development and is widely used in large websites. 3) PHP is easy to learn and the server performs well, but the type system is not as strict as static languages. 4) PHP is still important in the fields of content management and e-commerce, and the ecosystem continues to evolve. 5) Optimize performance through OPcache and APC, and use OOP and design patterns to improve code quality.

PHP and Python have their own advantages and disadvantages, and the choice depends on the project requirements. 1) PHP is suitable for web development, easy to learn, rich community resources, but the syntax is not modern enough, and performance and security need to be paid attention to. 2) Python is suitable for data science and machine learning, with concise syntax and easy to learn, but there are bottlenecks in execution speed and memory management.

PHP is used to build dynamic websites, and its core functions include: 1. Generate dynamic content and generate web pages in real time by connecting with the database; 2. Process user interaction and form submissions, verify inputs and respond to operations; 3. Manage sessions and user authentication to provide a personalized experience; 4. Optimize performance and follow best practices to improve website efficiency and security.

PHP uses MySQLi and PDO extensions to interact in database operations and server-side logic processing, and processes server-side logic through functions such as session management. 1) Use MySQLi or PDO to connect to the database and execute SQL queries. 2) Handle HTTP requests and user status through session management and other functions. 3) Use transactions to ensure the atomicity of database operations. 4) Prevent SQL injection, use exception handling and closing connections for debugging. 5) Optimize performance through indexing and cache, write highly readable code and perform error handling.

Using preprocessing statements and PDO in PHP can effectively prevent SQL injection attacks. 1) Use PDO to connect to the database and set the error mode. 2) Create preprocessing statements through the prepare method and pass data using placeholders and execute methods. 3) Process query results and ensure the security and performance of the code.


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