Stock market senior Daniel wrote a stock price real-time MacOS application in Python! Real time monitoring!
introduction
While Python is good for building many things, MacOS applications are certainly not one of them. I wonder if I can use Python to build a menu bar application for MacOS. I found it not only possible, but also "very simple".
In this tutorial, we will build a real-time MacOS application for stock prices -- all in Python.
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Posted by SuisydeKing on Wed, 20 Oct 2021 19:37:51 -0700
Lesson 5 shot segmentation based on image similarity comparison
catalogue
Basic idea:
5.1 break up video into pictures
5.2 comparing image similarity
5.2.1 compare image similarity based on equality
5.2.2 calculate whether the pictures are equal based on numpy
5.2.3 hash based (taking mean hash algorithm as an example)
5.3 video capture: ffmpeg
5.4 comprehensive application
Basic idea:
1. Break ...
Posted by nihal on Wed, 20 Oct 2021 18:01:46 -0700
How does MongoDB perform performance testing? Take a look at this summary
01 MongoDB test procedure description
This paper mainly tests the efficiency of mongodb inserting data. Using the mongodb secondary development interface provided by a teacher.
The data structure is:
Struct keyvalmeta{
Char name[64];
Int valType;
DateTime nStartTime;
DateTime nEndTime;
Int nUserDefMetaSize;
Char* pUserDefMetaDat;
}
...
Posted by centenial on Tue, 19 Oct 2021 23:24:09 -0700
Chapter 1 - Introduction to pytoch
NLP learning notes
Introduction to pytoch
Pytoch basic operation
Tensor tensor
from __future__ import print_function
import torch
# Create an uninitialized matrix
x = torch.empty(5,3)
print(x)
# Create a matrix with initialization
x = torch.rand(5,3)
print(x)
# The output is tensor([n,n,n])
It can be found that when using the empty met ...
Posted by Codewarrior123 on Tue, 19 Oct 2021 21:17:13 -0700
Stayed up for three nights to develop a fried golden flower game with Python. Pay attention not to be addicted ~ ~ (with complete source code)
Hello, everyone. I'm your good friend, Miss Wang~
As we all know, poker is a necessary prop for home travel and desktop friends. Today we use it Python To achieve a similar fried Golden Flower poker game, let's take a look at the basic rules of the game.
Fried golden flower, also known as three cards, is a folk multiplayer car ...
Posted by eco on Tue, 19 Oct 2021 18:44:28 -0700
Graduation project - Title: library management system based on Django
1 Preface
Hi, everyone, this is senior student Dan Cheng. Today I'd like to introduce you to a python web project
Library management system based on Django
You can use it for graduation design
2 background significance
According to the survey of book sales stores, with the continuous growth of sales scale, the variety and quantity of b ...
Posted by jackdcrack on Tue, 19 Oct 2021 14:23:50 -0700
Basic learning of python 4
This paper is the notes and corresponding practice application in the process of self-learning python , I hope it can help you, and I also hope you can communicate and study together. If it is helpful to your study, remember to praise and pay attention. The Xiaobian will update an article every week.
catalogue
1, Abnormal
1. Catch exc ...
Posted by marsooka on Tue, 19 Oct 2021 11:09:05 -0700
Ten lines of code, 2000 beautiful pictures, 120 Python crawlers, and then on the journey!
The 100 case tutorial of Python crawler was written from July 30, 2018 to October 28, 2020 for nearly 800 days. It is still one of the best-selling columns in the field of Python crawler.
However, over time, some of the 100 Python crawlers captured the target website, and the address has become invalid. It's time for iterative upgrading.
On M ...
Posted by Mgccl on Tue, 19 Oct 2021 10:54:06 -0700
[gesture recognition car] ----- face recognition
It's a bloody lesson. It doesn't take long to complete the code, but the environment really spits people out. Here, let's talk about the stepped pits and solutions
Blogger's environment: ubuntu18.04 + pychar
When I was a freshman, the laboratory required to learn Tensorflow, and took over a project from the seniors. I was responsible for visu ...
Posted by tuneout on Tue, 19 Oct 2021 10:32:16 -0700
Understanding python's built-in time module
time
Parameterless function
Explain the timestamp, which is the number of seconds that have elapsed since January 1, 1970, at 00:00:00. Then you can understand the function below. The following code defaults from time import *
In secondsIn nanosecondsfunctiontime()time_ns()Get the current timestampthread_time()thread_time_ns()Gets the CP ...
Posted by jguy on Tue, 19 Oct 2021 10:08:58 -0700