Cypress web automation 21 - how to share cookies among multiple tests

preface By default, Cypress will clear all cookies before each use case starts, ensuring the independence and clean environment of each use case. However, when we want to write multiple test cases in a js file, we want to call login only once, and remember cookies. Later use cases default to login state, so the test is more efficient. There ar ...

Posted by poisa on Fri, 22 May 2020 02:11:07 -0700

Task 25 - first reptile test

First question: use the requests library to visit Baidu homepage 20 times, and return the length of his text and content attributes.   1 # -*- coding: utf-8 -*- 2 """ 3 Created on Tue May 19 10:12:16 2020 4 5 @author: 49594 6 """ 7 8 import requests 9 url = "https://www.baidu.com/" 10 for i in range(20): 11 try: 12 rest ...

Posted by RDx321 on Tue, 19 May 2020 07:45:21 -0700

Detailed explanation of ASP.NET Core Middleware

What is Middleware? Middleware is software that is assembled into application pipelines to process requests and responses. Each component: Choose whether to pass the request to the next component in the pipeline. You can perform work before and after calling the next component in the pipeline. Request delegates are used to build the requ ...

Posted by Headwaters on Mon, 18 May 2020 02:40:41 -0700

Real time prediction of bitcoin price using LSTM framework

Warm tip: this case is only for learning and research purposes, and does not constitute an investment proposal. The price data of bitcoin is based on time series, so the price prediction of bitcoin is mostly realized by LSTM model. Long term short-term memory (LSTM) is a kind of deep learning model especially suitable for time series data (or ...

Posted by rubik on Sun, 17 May 2020 19:59:36 -0700

java Concurrent programming-CountDownLatch and Cyclic Barrier differences in internal implementation and scenarios

Preface CountDownLatch and Cyclic Barrier are two important tool classes for concurrent java programming. They are widely used in many multithreaded concurrent or parallel scenarios.However, each has its own emphasis on the internal implementation and use scenarios. Internal implementation differences The former relies more on classical AQS m ...

Posted by phpconnect on Sun, 17 May 2020 12:13:23 -0700

General introduction to common data structure of python

Common data structures 1, String (string) 1. Basic use Create string # Create string str1 = str("lucky is a good man") # The basic type string will automatically change to string object type when used str1 = 'lucky is a nice man' operation # String operation str3 = "lucky is a cool man" str4 = "lucky is a handsome man" # String addition (s ...

Posted by OLM3CA on Thu, 14 May 2020 23:28:11 -0700

POJ2778 DNA Sequence (AC automata + matrix fast power)

POJ2778 DNA Sequence Original address: http://poj.org/problem?id=2778 Title: We give the DNA sequences of m kinds of diseases, and ask how many kinds of DNA sequences of length n do not contain any kind of DNA sequences of diseases. (only four characters A,T,C,G) Data range 0 < = m < = 10, 1 < = n < = 2000000000, the length of ...

Posted by el_quijote on Thu, 14 May 2020 08:04:07 -0700

jQuery animation and queue, simple queue() in and dequeue() out implementation

#jQuery animation -1. Hide -2.show() display ```js $('. demo').show(3000, 'swing');//width height opacity padding operates on these parameters simultaneously ``` -3.toggle() is hidden to show the operation -4.fadeIn() fade in, transparency from 0-1 -5.fadeOut(), transparency from 1-0 -6.fadetoggle() fade in, fade out operation -7.fadeTo() ...

Posted by deansp2001 on Thu, 14 May 2020 07:18:57 -0700

Similarities and differences between ArrayList and LinkedList in Java

1: The general differences between ArrayList and LinkedList are as follows:   1.ArrayList implements the data structure based on dynamic array. ArrayList implements the array with variable length and allocates continuous space in memory. The efficiency of traversal element and random access element is higher 2.LinkedList is based on the data s ...

Posted by evanesq on Wed, 13 May 2020 05:45:11 -0700

[suggestion collection] 16 OpenCV functions start your journey of computer vision

Computer vision is one of the most popular fields in the current industry. With the rapid development of technology and research, it is booming. But it's still a tough task for newcomers. There are some common challenges for the developers or data scientists of XR R in their transition to computer vision, including: 1. How do we clean up image ...

Posted by crunchyfroggie on Fri, 08 May 2020 22:20:14 -0700