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Decoding the Book's "ID Card": A Complete Guide to the ISBN
On 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...
Demystifying Base64 Images: A Developer's Guide to Principles, Pros & Cons, and Best Practices
In our daily work as developers, especially when dealing with front-end code and data transmission, we often encounter long, cryptic strings starting with data:image/png;base64,. This is our subject for today: the Base64 Image.
You might...
What is a QR code? This article will make you understand instantly!
1. What is a QR Code? In Simple Words.
Simply put, a QR code is like a "portable gateway" for information.
It can turn a website link, a piece of text, a digital business card, or even a Wi-Fi password into a black-and-white square...
How to get the Universal Unique Identifier (UUID) of the computer motherboard
UUID is a unique hardware identifier assigned by the motherboard manufacturer.
```
wmic csproduct get uuid
```
wmic csproduct get uuid
UUID
03560274-043C-056F-0D06-CB0700080009

Test of bad pixels on mobile phones and computer , and imaging principles of screens
Nowadays, mobile phone and computer screens have become an essential part of people’s daily lives and work. Whether it’s handling documents, watching videos, or doing professional design, the display quality of the screen directly affects the user...

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Test of bad pixels on mobile phones and computer , and imaging principles of screens