Blog - Latest Articles

Web Development 2026-03-16

That API debugging messed up because of the timestamp parameter

When we interface with third-party APIs, one of the most common and error-prone parameters is time. Especially when debugging log query, data synchronization and other interfaces, I wasted a lot of time on the Unix timestamp conversion problem. Real scenario: "Time trap" in API debugging Last week, we were debugging a user data synchronization interface. The document clearly requires that the Unix timestamp (second level) be passed in. It seems simple, but various problems are encountered in actual operation: - Time unit confusion: some interfaces use second level timestamps, and some use millisecond level, and the wrong time is accidentally transmitted - Time zone...

Web Development 2026-02-12

JSONPath in action: Correct way to extract data from nested API responses

Real problems encountered ``json { "code": 200, "data": { "user": { "profile": { "name": "Zhang San", "contacts": [ {"type": "email", "value": "zhangsan@example.

Web Development 2026-02-12

From cURL to Java code: the automated conversion tool we developed

A request from a user I received feedback from users last week: "Does your tool have the function of converting cURL to Java code? I often need to convert the cURL commands exported by Postman into Java code. Handwriting is too slow." This requirement is very typical. We checked Tool Junk's code category and found that this feature is not yet available. So we decided to develop this tool at Tool Junk.

Web Development 2026-02-04

CSS Box Shadow Generator - Easily create beautiful shadow effects

The designer sent a new UI design draft, and I opened it to take a look - all kinds of beautiful cards, buttons, and pop-up windows, all with soft shadow effects. These details make the interface look layered, modern and sophisticated. But here comes the question: How to restore these shadows? The pain of manually adjusting parameters. At first, I thought it was very simple. Isn’t it just box-shadow? I started adjusting in the browser developer tools: ``css box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.

Technology 2025-12-29

2026's Most Secure Online Password Generator: Complete Guide to Protecting Your Digital Life

Learn how to use ToolMi Secure Password Generator to create strong passwords and protect your digital life. This article provides best practices for password security, password management tips, and answers to frequently asked questions.

Programming 2025-10-15

YAML Formatting Guide: Online Tools, Best Practices, and Common Mistakes

Learn how to format YAML files correctly using online tools. This guide explains YAML basics, common pitfalls, advanced features like anchors and references, and how to keep your configuration files clean and error-free.

Trivia of my life 2025-08-28

It’s better to just do it than to think too much

The Todo application has only been downloaded more than 100 times for more than a year, because a few social media posts have soared thousands of users in an instant. The applet that was forgotten five years ago also unexpectedly brought income. These experiences made me understand that the power of action is much stronger than imagined, and it is better to start immediately than to plan perfectly. Just Do It is not only a slogan, but also a way to change life.

Programming 2025-08-01

The complete development story behind SpellBlossom

In the previous article, I shared my experience of using SwiftUI Shape Protocol to draw flower petals. Today, let’s talk about something more important: how to turn this technical demo into a real word games product.

Programming 2025-07-28

SwiftUI flower petal drawing pitfalls: Shape Protocol practice

Detailed record of the complete process of drawing custom petal shapes using SwiftUI Shape Protocol, including practical tips such as addQuadCurve and coordinate system

Programming 2025-07-23

Use highlight.js to implement code syntax highlighting in ToolMi

It introduces in detail how to integrate highlight.js into the Vue 3 project to achieve code syntax highlighting, including complete technical selection, implementation process and pit experience sharing.

Trivia of my life 2025-07-22

The origin of my nickname Echo

From college game teenagers to PHP beginners, my nickname "Echo" comes from the most familiar output function. Today, many years later, why do I want to say goodbye to this online identity that has been with me for many years? The nickname story of a programmer.

Technology 2025-07-21

What is Morse Code and How to Use It?

Discover the fascinating world of Morse code, from its historical significance to modern applications. Learn how this simple yet powerful communication system has been used in movies like Infernal Affairs.