CQCHENG QIANinmantools.hashnode.dev·Apr 15 · 3 min readTimestamps Explained: Decoding the Digital World’s Hidden TimekeeperIn daily life, we’re accustomed to reading time as 2026-04-15 14:30:00. But behind the scenes of computer systems, network protocols, and data storage, time is often compressed into a seemingly random00
CQCHENG QIANinmantools.hashnode.dev·Mar 29 · 4 min readDelete the Image Files, Yet the Website Still Displays? Revealing the "Magic" of Turning Images into StringsHave you ever encountered this awkward situation:You carefully wrote an HTML webpage, complete with beautiful icons and photos. But when you send the folder to a colleague or deploy it to a server, th00
CQCHENG QIANinmantools.hashnode.dev·Jan 25 · 1 min readThe problem where the TP5 IoT project has been unable to get the request parametersDuring an IoT project, when using ThinkPHP 5.0, the conventional framework methods failed to retrieve the parameters sent by the device's request—they always returned empty. Eventually, the issue was resolved by using native PHP to obtain the request...00
CQCHENG QIANinmantools.hashnode.dev·Jan 21 · 2 min readTop 5 Best World Time Zone Converters & Global Clock Tools in 2026Keeping track of global time zones is essential for remote teams, international travelers, and online collaborators. Whether you're scheduling a meeting across continents or just curious what time it is in Tokyo right now, having a reliable world clo...00
CQCHENG QIANinmantools.hashnode.dev·Jan 19 · 5 min readDecoding the Book's "ID Card": A Complete Guide to the ISBNOn the back cover of any formally published book, you'll always find a long barcode with the letters "ISBN" and a string of numbers. This string is like the book's "ID number," unique worldwide. What information is encoded in this mysterious string? ...00