Course Advanced 11606
Course Introduction:"Linux Optimization Video Tutorial" introduces the installation of MySQL, compilation of apache+php, optimization of Nginx and other related contents.
Course Advanced 8808
Course Introduction:Swoole enables PHP developers to write high-performance and high-concurrency TCP, UDP, Unix Socket, HTTP, WebSocket and other services, making PHP no longer limited to the Web field. The maturity of Swoole4 coroutines has brought PHP into an unprecedented period, providing unique possibilities for performance improvement.
Course Elementary 5754
Course Introduction:An asynchronous request means that after the client sends a request message, it does not wait for the server's response and continues to perform other operations. Web applications using Ajax technology can quickly present incremental updates to the user interface without the need to reload (refresh) the entire page, which allows the program to respond to user operations faster.
Course Intermediate 4393
Course Introduction:MySQL installation and configuration under Linux, database logical layering, parsing process, index, detailed analysis of SQL execution plan, principles to avoid index failure, optimization cases, common optimization strategies, slow SQL troubleshooting, simulation of massive data, lock mechanism, MySQL under windows and linux Master-slave replication.
Course Intermediate 3273
Course Introduction:This set of courses is based on the design concept and data structure of MySQL index, index usage scenarios, index classification, index usage scenarios, index performance analysis, query optimization, slow query of MySQL index, etc. It mainly describes the solution of MySQL index optimization. It is very suitable for students who have basic knowledge of MySQL or have certain work experience. The course explains how to solve the problem of slow large-volume queries, how to write an efficient SQL, how to optimize query statements, what is the implementation principle of indexes, how to optimize indexes... and many other difficulties and interview points in SQL index optimization.
2017-05-16 17:23:15 0 1 502
2017-06-30 09:57:21 0 3 1078
javascript - What does it mean to write asynchronously in synchronous way?
2017-07-05 10:52:36 0 4 1069
Can laravel mongodb write asynchronously?
Can laravel write asynchronously?
2017-05-16 16:56:40 0 1 372
Course Introduction:How to gracefully handle exceptions in PHP Exceptions are one of the common error handling mechanisms in programming. They allow us to handle exceptions gracefully when an error occurs in the program and avoid program crashes or unpredictable behavior. In PHP, we can use try-catch statements to catch and handle exceptions. This article will explain how to handle exceptions gracefully in PHP and provide some code examples. 1. Understand the basic concept of exceptions. In PHP, exceptions refer to errors or abnormal situations that occur during program execution. When a program exception occurs
2023-08-04 comment 0 637
Course Introduction:Exception Handling in Laravel: Handle Errors and Exception Situations Gracefully Introduction: During the development process, errors and exception situations are inevitable. In order to ensure the stability and maintainability of the application, we need to effectively handle these issues. Laravel provides us with a powerful exception handling mechanism that allows us to handle errors and exceptions gracefully. This article will introduce the exception handling mechanism in Laravel and give some code examples. The basics of exception handling in Laravel, all exceptions follow
2023-08-12 comment 0 2049
Course Introduction:How to use Promise to optimize Vue asynchronous operations Introduction: In Vue application development, we often encounter asynchronous operations, such as sending requests, obtaining data, etc. In order to handle these asynchronous operations, Vue provides one of the most commonly used methods-using Promise. By leveraging Promises, we can handle asynchronous operations more elegantly and make the code more concise and readable. This article will combine specific code examples to introduce how to use Promise to optimize Vue asynchronous operations. 1.Pr
2023-10-15 comment 0 1339
Course Introduction:How to handle graceful exceptions in C++ code? In the programming process, exception handling is an important aspect. Exception handling can help us handle unexpected situations during code execution and ensure the stability and reliability of the program. In C++, the exception handling mechanism can effectively capture and handle errors, thereby helping us handle exceptions gracefully. This article will introduce some techniques and methods for elegant exception handling in C++ code. First, use a try-catch block to catch exceptions. In C++, by using try-
2023-11-02 comment 0 558
Course Introduction:Use the noexcept keyword to optimize exception handling. The specific method is as follows: add noexcept after the function declaration to indicate that the function will not throw exceptions. The compiler can optimize the code without generating code to handle exceptions. Be careful when using noexcept to ensure that the function can handle unexpected situations and avoid program termination due to unhandled exceptions.
2024-06-06 comment 0 264