Programming VIP

Basic knowledge day6 - List 01. Slice of list 1. Slice - get some elements The slice result is a list Syntax: list [start subscript: end subscript: step size] explain: Start subscript - subscript value (0 and - 1 are OK); Determine the starting point of the effective range of the slice, which can be obtained : - Fixed writing End subscript ...

Integer type int Decimal → default base Binary → starts with 0b (number 0 and lowercase letter b) Octal → starts with 0o (digit 0 and lowercase letter O) Hexadecimal → beginning with 0x (number 0 and lowercase letter X) Floating point type Floating point numbers are composed of integer parts and decimal parts. There will ...

preface What is a data type? We humans can easily distinguish between numbers and characters, but computers can't. although computers are powerful, they are stupid from a certain point of view. Unless you clearly tell them that 1 is a Number and "Han" is a word, they can't distinguish between 1 and 'Han'. Therefore, there will ...

1. Download and install opensmile Download from the official website: openSMILE - audEERING You can use it by decompressing it under windows 2. Use of opensmile Extract various audio features of sound signals, mainly low level descriptors (llds) 3. Using opensmile 3.1 direct use under Windows Run the to extract audio features in the form ...

catalogue preface 1, Download kit, installation module 2, Write bug 1. Import and storage module 2. Get the information of the blog in the page source code 2.1 visit the website and get the page source code. 2.2 convert the blog content in the page source code into string format 3. Convert to pdf and ipg format 4. Other acquisition 5. ...

Prepare dataset 1. Shooting Use the iphone 7 Plus continuous shooting function to take 1000 pictures of left and right hands in different light. 2. Picture renaming Mobile phone automatic naming is inconvenient to traverse, so it needs to be changed to 1 jpg，2.jpg. Run the following code. import os import re import sys path = r"D:data\im ...

Recently, I installed ESP32 CAM under my M1 MAC, which is very useful. I tossed about when building the environment. Here is a record, hoping to provide some clues to students with similar situations. 1. For the big sur system of mac, you'd better install python 3.9.1 or above (I use 3.9.6), and install Python 3.0 first 9.1, and then install ...

Occasionally, I saw such a story in Mr. Wu Jun's top of the wave (Fourth Edition).Google once advertised on the 101 highway in California with a large billboard:{the first ten consecutive prime numbers in irrational number e} comIf you know the answer (7427466391.com), you can enter Google's recruitment website through the above website. And it ...

The most basic algorithm should be the sorting algorithm. Today, let's briefly introduce several common sorting algorithms Bubble sorting Bubble sorting visits the sorted element list once every round, and compares two adjacent elements in turn. If the order of the two elements is incorrect, exchange them and adjust the order. In this ...

I have also encountered this problem. When a while loop is needed, the loop will get stuck in the gui itself. At this time, you need to start multithreading     Long time operation required If you are a Windows user, you will see the window display "not responding" in its title bar, and then a Windows pop-up window will appear soon, i ...