[name=Ander Liu]
Zxing
ZXing ("zebra crossing") is an open-source, multi-format 1D/2D barcode image processing library implemented in Java, with ports to other languages.
這堂課,我們打算使用 Zxing 這個 library to implement QR code scanning
The Supported Formats of Zxing
1D product
1D industrial
2D
Ander Liu changed 8 months agoView mode Like Bookmark
+-,.[]
variable name x, y, temp0, temp1,... should be replaced by< or > to move to its position in real code
temp prefix: temporary cell initialize to 0
Code prefix: code block
:::danger
most code might consume the input.
use copy value to copy the input if necessary
:::
Ander Liu changed a year agoView mode Like Bookmark
[name=Ander Liu]
Intro
Microsoft has been trying to improve the touchpad experience on Windows 10 laptops.
Laptops with “Precision Touchpads” are optimized by Microsoft, support standard gestures, and can be configured from the Settings app.
Install
Check If You Already Have a Precision TouchpadNavigating to Settings > Devices > Touchpad
If you don’t see “Your PC has a precision touchpad”—as in the screenshot below—your PC doesn’t have the Precision Touchpad
Ander Liu changed 2 years agoView mode Like Bookmark