Teach you how to realize pynq-z2 bar code recognition

I am xuetianyu, an FPGA enthusiast. My research direction is FPGA Architecture Exploration and SOC design. Focus on official account [integrated circuit design course], pull you into "IC design exchange group". 1. Preface It took nearly a week to realize a two-dimensional code recognition alone. In this article, I will introduce in ...

Added by nitram on Wed, 16 Feb 2022 09:22:09 +0200

Single machine learning request

Request de duplication This is a high-frequency interview question for reptile post: Q: How does the sweep remove duplicate requests? What is the de duplication principle? How does the request calculate uniqueness? With this question, enter today's theme. DUPEFILTER_CLASS In the scene project configuration, DUPEFILTER_CLASS is the setting ...

Added by rmbarnes82 on Wed, 16 Feb 2022 07:36:05 +0200

Go1.18 new feature: deprecate strings Title Method, change a new pit!

Hello, I'm fried fish.I've been watching go1 18. When releasing notes, I found that the Title Method of strings and bytes standard library was Deprecated. Why?Today's article will be read by fried fish and everyone.introduceHere, take the strings standard library as an example, strings The title method maps Unicode letters at the beginning of a ...

Added by Warmach on Wed, 16 Feb 2022 06:42:58 +0200

Grading with Python

We're going to start learning how to grade. To realize this function, you have to learn five new knowledge points, namely OS path. exists(),os.mkdir(), arithmetic operators / /,% and cn2an an2cn() In this function, we need to split the [general sales table. xlsx] into [level x sales table. xlsx] according to the sales ranking and place it in ...

Added by Panz3r on Wed, 16 Feb 2022 02:48:18 +0200

Federal learning: dividing non IID samples according to Dirichlet distribution

Python wechat ordering applet course video https://edu.csdn.net/course/detail/36074 Python actual combat quantitative transaction financial management system https://edu.csdn.net/course/detail/35475 We are Random sampling and probability distribution in Python (II) This paper introduces how to sample a probability distribution with Python's ...

Added by nipsilanti on Wed, 16 Feb 2022 00:20:59 +0200

c language data structure, you may not know the sequence table

Python wechat ordering applet course video https://edu.csdn.net/course/detail/36074 Python actual combat quantitative transaction financial management system https://edu.csdn.net/course/detail/35475 Data structure sequence table Sequence table definition 1. Preface The sequential storage of linear table is also called sequential table. I ...

Added by dark_destroyer on Wed, 16 Feb 2022 00:21:39 +0200

Record the process of data analysis. Child vision data

Recently, I analyzed the vision data of a child and recorded it. Small partners who need data can download it. import numpy as np import pandas as pd import matplotlib.pyplot as plt import re import os import seaborn as sns import scipy.stats as ss plt.rcParams['font.family'] = ['SimHei'] plt.rcParams['axes.unicode_minus'] = False res_dir = ...

Added by fatmart on Tue, 15 Feb 2022 22:41:07 +0200

selenium realizes the simulated Login of QQ space and b station

After working all night, it's too unfriendly for me as a novice. I'm going to cry. I finally succeeded. Come on, come on, rush, release it and leave a souvenir for myself Let's talk about the idea first. When we use selenium automation, it's not very different from when you open the website. So why can you log in when you open the website? Bec ...

Added by gernot on Tue, 15 Feb 2022 22:03:36 +0200

Distribution map of NBA players' shooting positions

Xiaobai, who wants to switch to data analysis in the Internet industry, has a certain understanding of python through Buddhist Study in winter vacation. Record the first gadget. When I was brushing the cross forum, I suddenly saw a data analysis about the NBA. Because I also like playing very much, I immediately became interested. Because I d ...

Added by sqishy on Tue, 15 Feb 2022 17:18:30 +0200

Machine learning - Data Science Library Day 3 - Notes

What is numpy A basic library for scientific calculation in Python, which focuses on numerical calculation. It is also the basic library of most Python scientific calculation libraries. It is mostly used to perform numerical operations on large and multi-dimensional arrays Axis In numpy, it can be understood as direction, which is expres ...

Added by wrequed on Tue, 15 Feb 2022 17:12:50 +0200