Course Introduction：Install XAMPP/MAMP or use PHP built-in server and make sure the file is saved as a .php extension; 2. Use display the current time in hello.php; 3. Get user input through $_GET in greet.php and use htmlspecialchars() to prevent XSS; 4. Use include'header.php'; multiplex the page header; 5. Enable error reports during development, variables start with $, use arrays to store data, and always filter user input. You have created a dynamic web page that can respond to user input, display dynamic content and reuse code. This is a key step towards a complete web application. You can connect to the database or build a login system in the future, but you should be sure of yourself at this time.
2025-07-29 comment 0 819
Course Introduction：First check the Apache error log to see if there are any clues such as permission denial, segfault, or module crash; 2. Confirm that PHP does not fail silently due to fatal errors or memory exhaustion, enable the PHP error log and troubleshoot code or extension problems; 3. Ensure that the web file and directory permissions are correct, Apache users have read and execute permissions, and correctly configure AllowOverride; 4. Create a static HTML test page to determine whether the problem is in the application layer or the Apache service layer; 5. Add timeout settings for Apache and PHP to prevent connection interruptions due to too long execution time; 6. Check whether there are early output or output buffering problems in PHP to avoid whitespace characters or echo statements interfering with the response
2025-08-14 comment 0 834
Course Introduction：SqlParameter Parameters.Add vs. AddWithValue: Choosing the Best MethodWhen working with SQL commands, you may encounter the need to add...
2025-01-10 comment 0 736
Course Introduction：In Dave The Diver, there are some creatures that are not easy to catch. Or, catch alive that is. The spider crab is one of those very species, making it seem like the only way to bring these crustaceans back up to land is to viciously crack them up w
2025-01-10 comment 0 930
Course Introduction：Conditional Column CountingConsider a table named "Jobs" structured as follows:jobId, jobName, Prioritywhere "Priority" is an integer between 1...
2025-01-10 comment 0 930
Course Elementary 13924
Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.
Course Elementary 82479
Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).
Course Elementary 13264
Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.
Course Elementary 24727
Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.
Course Elementary 27563
Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.
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