About programming education, there are two very important things to know first:
1. Most people don’t really want to learn code
2. Learning code does not just require writing code That’s it
what-people-really-mean-when-they-say-i-want-to-learn-to-code
If you don’t understand the above two things, then you are learning code wrong , and you'll never learn to code.
After I pondered this first point over and over, I think it means that if you don’t really want to learn code, then from the moment you step into this field, you will only find it boring and boring.
I call it the coding fallacy. People think they want to learn code because what they really need is to build a product.
If you think about it carefully, this is natural. If you can't do anything with it, then the knowledge of code itself has no value. Therefore, for most people, the biggest motivation for learning code is to be able to use code to build something (the second motivation is to be able to apply for a high-paying position.
This makes me think about the second point, learning code It does not mean that you only need to be able to write code.
In the past, we had to understand almost everything about computers before learning code (so it was called "computer science"). Later, with the development of things, It has evolved to the point where we don’t understand certain aspects of knowledge in depth unless we really need it. For example, as a web application developer, I know almost nothing about system management because I don’t need to use this knowledge at all . So, when someone says that he wants to learn programming, most teaching staff will teach according to their own teaching process, talking about data types, various structures of a certain programming language, and let students first have some knowledge of computers. An in-depth understanding.
The problem is, this is not what they really want to learn. Their purpose is to build an application. Therefore, we can no longer take it for granted that everything about computers is the same. Should learn.
For example, if someone already knows how to develop the back-end, it only makes sense for them to teach them the knowledge of front-end development. In this way, we reduce the burden on the students and get twice the result with half the effort. There is actually not a lot to learn when writing code, but you should also teach students according to their aptitude. I think the following points are the key points of distinction:
1. Web development
2. Non-Web development
If you are developing web, then you need Processing:
– HTML – CSS
– Routing
– Database
– Server hosting / DNS
– App structure
There’s obviously a lot to learn, but most of it will be irrelevant to non-web developers (Except for the database and app structure).
But the current education methods I see are more like "playing monkeys"
Students: "I want to learn how to write code."
(What they really want is. I want to build a web and mobile app - but don’t know how to express it)
Teacher: “Okay, let’s learn data types first.”
Student: “…”
(2 weeks later) Teacher: "Now we can design efficient algorithms."
Student: "I just want to make a cool website!"
Who would like such a way to learn code!
As a teacher, It’s important to understand that when people say they want to learn to code, what they really want to do is build a web or make a mobile app
That’s because, to them, that’s what coding means and that’s who they are. What they want to do with code. But the problem is that they don’t know how to express their ideas correctly. So we can’t just read the meaning of the words at the surface. It’s also part of our job as educators
. I remember a pastor saying this a few years ago that we should tell the truth even in difficult situations. Then someone asked: "What if telling the truth will hurt the other person?"
The pastor said categorically: "If someone asks you a question, then tell them what they really want to know, without looking forward or backward."
The same is true for the education industry. We need to find out between the lines of other people’s words their true intentions. If they ask specific questions that are beyond their capabilities, they can introduce others with more experience.
So, it’s up to educators and experts to guide people in the right direction rather than letting them stumble along on their own. If we can do this, then we will be worthy of the title of engineers of the human soul.
As a student: learn what you want to learn
In the learning process, one thing you can do is to dabble more in various aspects of content - so that you know which direction you should go in the future. develop.
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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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