Vue conference room time picker (modified)

Vue conference room time picker Original link: Compare the modified content of the original text 1. The original article used a time interval selector based on 5-minute intervals, but here it has been changed to a half-hour interval. 2. The css style was modified, and the original timeline was changed to box selection. 3. […]

python self (2) slice dictionary traverse delete add modify query definition function function return value scope serialization exception error urllib uses one type and six methods to download video audio picture

Slice # # Slice # s = ‘hello word’ # # The subscript index is 0 # print(s[0]) #h # # Left closed and right open (left starts with the subscript, right is several index values), for example, 4 index values starting from 0 # print(s[0:4]) #hell # # Change the starting position of the […]

QT cmake cc cascade pcl magic modification project

Table of Contents 1. Origin: 2. cmake compilation of qt 1. The final directory is as follows: 2. Related cmakelist modifications 3. Activation of qpcl 3. Magic modification of actual code plug-in and UI transformation 2.MainWindow.cpp 3. Display of point cloud files 4.Finally integrated into your own project 4. Summary: 1.QT 64-bit error 0xc000007b. […]

Reflection to modify other APP SharedPreferences data

Reflection to modify other APP SharedPreferences data Prerequisites Available codes Prerequisite The device is rooted, otherwise the data/data directory cannot be accessed Problem symptoms: HIE_Find( APP can directly open the usb storage device, but the usb device node name changes after each plug and unplug, and the last opened path will always be remembered when […]

threeJs sample, modification of webgl2_volume_perlin

The official example webgl2_volume_perlin.html draws the perlin noise, and you can intuitively feel the image shape of the perlin noise. The original example supports cubes, but I changed the cubes to spheres. <!DOCTYPE html> <html lang=”en”> <head> <title>three.js webgl2 – volume</title> <meta charset=”utf-8″> <meta name=”viewport” content=”width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0″> <link type=”text/css” rel=”stylesheet” href=”main.css”> </head> <body> […]

Modifiers, friends and operator overloading

1.Modifier In C++, all member variables and member functions have access rights. The so-called access rights refer to whether you can access the member variables and member functions in the class. In C++, the keywords used to control access permissions are public, protected, and private, which represent public, protected, and private respectively. At the same […]