Articles

Articles

M5Stack Dual‑Core RTC Clock

How to build a smooth and accurate RTC clock on M5Stack using DualCore tasks, BM8563, and M5FontRender with optimized display updates.
Articles

Driving the LY2AC100V Relay with M5Stack

Learn how to drive the LY2AC100V relay using M5Stack, including coil ratings, contact limits, inrush current, and safe AC100V switching.
Articles

Prevent Android Process Death Using Guard Logic and ADB Testing

How to guard against Android process death and reproduce crashes using ADB kill commands, with safe recovery logic and index validation.
Android Development

Why Adoptable Storage Does Not Automatically Use the SD Card

Why Android Adoptable Storage does not automatically use the SD card for app data, and how to enable SD usage with system settings and manifest options.
Android Development

Connect to a Specific Wi‑Fi Network on Android 10+ (WifiNetworkSpecifier)

Learn how to connect to a specific Wi‑Fi network on Android 10+ using WifiNetworkSpecifier, required permissions, and bindProcessToNetwork.
Articles

JavaScript vs Excel Rounding Differences

Compare JavaScript and Excel rounding behavior, including ceil, floor, round, and differences for negative values.
Articles

Convert Numbers to Hexadecimal Strings in JavaScript

How to convert numbers to hexadecimal strings in JavaScript, including zero‑padding and practical examples using toString(16).
Articles

JavaScript Shift Operators

A clear explanation of JavaScript bitwise shift operators (<<, >>, >>>) with simple examples for left shift, signed right shift, and unsigned right shift.
Articles

[C# OpenFileDialog STA Error] Fixing “Current thread must be set to STA mode…” in MTAThread

Fix the “STA mode required” error when using OpenFileDialog in MTAThread. Learn why this exception occurs and how to solve it by running the dialog inside a dedicated STA thread, with complete C# code examples.