Apple App Development Guide: Common Problems and Solutions
Practical notes on Apple app development, App Store submission, paid support, usage reports, and common issues.
Multica Go User Guide: Practical Features for a Better Mobile Workflow
Multica AI is an excellent AI agent management platform. Once you start using it seriously, however, you quickly run …
How to Use Claude (Step-by-Step Guide)
This Claude guide collects practical usage methods and tips to help users better understand and use Claude. Clear chat …
What Is Multica? Why I Built an iOS Client Called Multica Go
Multica is an open-source Managed Agents platform that turns coding agents such as Claude Code and Codex into real …
How to Apply for a Fiat24 Card Before Mainland China Signups Close
On Friday, I saw someone in the community mention that Fiat24 card applications were about to close. Since this is an …
Using opencode
Some AI services don’t have their own CLI tools. For convenience, you can use a unified CLI terminal, such as opencode. …
What Is Multica? Multi-Agent Collaboration Platform Guide
I have been using Multica more recently. This article records what I currently know and understand about Multica.
Why img onerror Doesn't Trigger on HTTP 404: A Common Pitfall
The img element has an onerror event, which in theory fires when an image fails to load. Recently, however, I ran into …
Trezor Hardware Wallet: Firmware, Emulator, and Custom Firmware Notes
imKey does not support flashing custom firmware, so our team looked into another hardware wallet brand: Trezor. I am …
imKey Hardware Wallet: Signing, Firmware, and MetaMask Support
One drawback of Ledger for development is that communication with the official team can be inefficient, so we …
Cloudflare Tips: Practical Notes From Heavy Daily Use
Cloudflare has become one of the tools I use heavily. Its free tier already includes a lot, and it is powerful enough …
Issues Encountered When Sideloading Ledger Device Apps on Emulator and Real Device
Ledger is arguably the No.1 in the hardware wallet niche, but I still ran into quite a few issues during actual use - …
China Website ICP Filing: Domain, Server, and Practical Notes
Does ICP Filing Follow the Domain or the Server?
How to Register an Apple ID in Nigeria or Turkey
To save on AI subscription costs, I’ve been using low-price region App Store subscriptions in Turkey or Nigeria. …
How to Register a Nigeria or Turkey Apple ID to Save on Subscriptions
Who This Guide Is For This guide is for people who need a Nigerian or Turkish Apple ID for region-exclusive apps or …
How to Use Exa AI Search with Claude MCP
Most AI tools now have web search capabilities. For example, Claude Code can use online search, and when the AI …
Best China AI Models and Low-Cost AI Options to Consider
OpenClaw has been popular for a while. Also, because of network access and pricing, using OpenAI/Claude has a certain …
How to Apply for a South Korea Visa in Beijing: Documents, Cost, and Timeline
On March 30, South Korea relaxed the requirements for 10-year visas, and the document requirements were simplified for …
Applying for a South Korea Visa
On March 30th, South Korea relaxed the requirements for its 10-year visa and simplified the required documents for …
How to Fix an Oversized Git Repository Caused by Commit History
I recently needed to push an open-source project to the community, but the repository was reported as too large, …
Git History Making Your Repository Too Large
I recently needed to push an open-source project to a community repository, but it reported that the repo was too large …
Understanding OneKey Hardware Wallets
I recently needed to research hardware wallets for work. After looking at Ledger, I also wanted to understand OneKey, …
Twitter Card Sharing Configuration
I often share blog content on Twitter/X, both for pure sharing and personal promotion. Sometimes I notice that blog …
Understanding Ledger Hardware Wallets
Ledger /'ledʒər/ is a hardware wallet brand. I recently needed to verify the signing flow for a new blockchain, so I …
Personal AI MCP Tools I Use and How to Install Them
MCP (Model Context Protocol) is a protocol that allows AI to connect to external tools and data sources. In practice, …