WeChat mini program game demo selects different color blocks

23 Dec 2025

The official address of the WeChat mini program development IDE is https://developers.weixin.qq.com/miniprogram/dev/devtools/download.html. It provides three-terminal installation packages for Windows, macOS and Linux, and supports QR code login, multi-mode project creation, code editing and debugging, real-device preview and ecological expansion functions.

15 Feb 2026

This article explores methods of directly embedding Gob-encoded data in Go language source code to achieve high-performance read-only memory storage and avoid runtime disk I/O. By storing pre-encoded Gob data as byte slice literals in the source code and decoding it directly when the program starts, data access speed can be significantly improved. The article details the encoding, representation in source code and decoding process of Gob data, and provides practical code examples and precautions to help developers build efficient embedded data solutions.

11 Dec 2025

ForalastingWeChatgroupQRcode,useWeChat’sbuilt-in“PermanentQRCode”(ifeligible),generateastaticoneviaWeChatWorkAPI(forverifiedenterprises),orwrapthejoinprocessinaWeComMiniProgramwithanon-expiringshortlink.

26 Jan 2026

This article aims to help Java developers solve the array out-of-bounds error caused by the improper order of user selection of products in the product catalog selection program. By analyzing the problematic code, we find out the source of the error and provide modified code examples to ensure that the program can run normally when the user selects products in any order and avoid the occurrence of IndexOutOfBoundsError exceptions.

25 Mar 2026

This article introduces a practical method: when the Go program is running, after locating the source file path according to the call stack, use the go list command to parse the real name of the corresponding package (not the directory name), and provide a robust cover-up strategy to deal with no source code or path exception scenarios.

22 Dec 2025

When using GDB to debug a Go program, if you encounter the problem of being unable to set a breakpoint in a specific source file (such as model/page.go) and reporting the error "No source file named...", it is usually because the Go compiler has enabled code optimization by default, resulting in missing or inaccurate debugging information. The solution is to add the -gcflags "-N -l" parameter to the go build command to disable optimization and inlining, thus ensuring that GDB can correctly identify the source code and set breakpoints.

09 Mar 2026

VSCode breakpoints fail because the debugger completely relies on the program, cwd and python fields of launch.json to locate the entry and environment. Mismatching any of the fields will cause the source code not to be loaded or the debugger to exit.

21 Dec 2025

There are challenges with binary protection of Go applications, especially post-compilation obfuscation. Directly modifying or stripping symbols can cause program instability or even break reflection functionality. This article will explore a more robust approach: obfuscating the source code before compilation, making reverse engineering more difficult by renaming variables, types, and functions. This strategy is mainly applicable to own code, but can also be extended to standard library source code. It is designed to provide a basic layer of protection for Go applications, rather than an absolute anti-cracking solution.

18 Feb 2026

This article explains in detail the difference between the working directory and the source code directory when a Java program is running, explains why ./input.txt often reports FileNotFoundException, and provides a standardized solution for stable reading of resource files across IDEs and packaging environments (such as JAR).