Course Introduction：This article aims to resolve the "zlib: invalid header" error encountered when Go language decompresses data using ZipOutputStream after Java uses ZipOutputStream to compress data. The core problem is that it confuses the ZIP file format with the Zlib compression stream. The article will elaborate on the output characteristics of Java ZipOutputStream in detail, and provide professional solutions for correctly decompressing archive/zip packages in Go language to ensure compatibility and correctness of cross-language data transmission.
2025-08-26 comment 0 1034
Course Introduction：The advantages of network transmission file compression are significant, and the total file size after compression is usually greatly reduced, saving bandwidth and speeding up user downloads. Users can decompress at any time after downloading. In short, compression can significantly simplify network transfers of files for you and your visitors. Manually compressing files can be cumbersome, but luckily, PHP offers many extensions that specialize in handling file compression and decompression. You can use the functions in these extensions to automatically compress PHP files. This tutorial will guide you how to compress files into zip archives in PHP and decompress files from zip archives. You will also learn how to delete or rename files in your archive without decompressing first. PHP single file compression Multiple file compression in directory Modify or overwrite archives
2025-03-04 comment 0 899
Course Introduction：Create a ZIP file using ZipArchive class: instantiate the object, call the open() method to create the file, addFile() or addFromString() to add content, and finally call close() to save. 2. The entire folder can be added to the ZIP by traversing the directory. 3. Make sure to check the return value of open() and ensure write permissions. 4.PHP uses standard ZIP compression by default. Simple and reliable operation.
2025-08-30 comment 0 709
Course Introduction：First, confirm that the Zip extension is enabled in the PHP environment, then use the ZipArchive class to open the specified ZIP file and call the extractTo method to extract it to the target directory, and finally close the archive. The sample code shows the compression process and the prompts for success or failure. It is necessary to ensure that the file path is correct, the target directory is writable, and pay attention to preventing security risks such as ZIPslip.
2025-09-08 comment 0 904
Course Introduction：Using the zipfile module in Python can directly create and decompress ZIP files. 1. To create a ZIP file, you need to use the ZipFile class to open the file in write mode, and add the file through the write() method. When packaging the directory, you need to traverse the file recursively and pay attention to the path processing; 2. Unzip the ZIP file to restore the complete directory structure by extractall() method, or you can also selectively extract a single file after viewing the content through namelist(); 3. Other techniques include handling Chinese garbled code, detecting whether the ZIP is corrupt, setting compression levels and password protection (requiring a third-party library). Mastering these key points can meet daily ZIP file operation needs.
2025-07-21 comment 0 190
Course Elementary 13927
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 82482
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 13265
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 24731
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 27566
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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