Is bing dwen dwen too hot for a long time? Blogger uses css to present one person and one trick
In recent days, hot spots around the Winter Olympics have emerged one after another. The audience flashed one strange, fresh and fun project after another, and the topic changed faster than the steel snowmobile. Naturally, Bing dwen dwen will be divided into several aspects: Gu Ailing's nationality, Su Yi Ming's score, and almost every fall and ...
Posted by BigBrother on Sun, 20 Feb 2022 08:34:00 +0100
Modules and packages for basic Python learning
In Python, in order to write easy to maintain code, we will split the code into different files, so that the code contained in each file will be relatively reduced. In Python, a The py file is called a Module.
Benefits of code modularity:
(1) Simplified problem solving
Reduce the code complexity and split the code into different files. Each ...
Posted by jstgermain on Sun, 20 Feb 2022 08:30:36 +0100
day04_ Common operators
Operator overview
Operator: a symbol that operates on constants or variables. There are many kinds of Java operators that make up an expression (what are operands and operators, such as 1 + 2, where # 1 # and # 2 # are operands, + is an operator, and operators and operands combine to form an expression). Operators are divided according to the ...
Posted by not_skeletor on Sun, 20 Feb 2022 08:28:53 +0100
Quick browse Swift notes
Quick browse Swift notes
Quick browse Swift: https://docs.swift.org/swift-book/GuidedTour/GuidedTour.html
Variables are also constants
//Multiline string, using "" ""
let quotation = """
I said "I have \(3) apples."
And then I said "I have \(3 + 4) pieces of fruit."
"""
print(quotation)
//Create an empty array, variabl ...
Posted by mhodge87 on Sun, 20 Feb 2022 08:27:22 +0100
C + + problem brushing journey
Introduction to LeetCode algorithm (day 7)
Breadth first search / depth first search
733. Image rendering
Solution: it's very hard to read the questions. Look at the examples and understand them. The general meaning is, for example, given the starting point pixel
p
...
Posted by werushka on Sun, 20 Feb 2022 08:23:08 +0100
Educational Codeforces Round 108 (Rated for Div. 2)A~D
Foreword: making A, B, D and C has been timeout, and I didn't think of how to optimize it. Rating: 1153 + 146 -- > 1299 (green) Don't talk about the problem, just talk about the solution and code. A. Red and Blue Beans topic type: greed analysis: if r is less than B, try to replace 1 with more, so calculate the differenc ...
Posted by integravtec on Sun, 20 Feb 2022 08:12:36 +0100
Elastic search: create a cluster with multiple nodes - Elastic Stack 8.0
In my previous article:
Elastic Stack 8.0 installation - protecting your Elastic Stack is now easier than ever Elastic: use Docker to install Elastic Stack 8.0 and start using it
I described in detail how to install a single node Elastic Stack. In today's tutorial, I detail how to install a three node Elasticsearch cluster. I will use Docke ...
Posted by chadbobb on Sun, 20 Feb 2022 08:09:52 +0100
JWT asymmetric encryption public-private key encryption and decryption can set the expiration time [JwtHelper of Spring security framework] [Jwts of jsonwebtoken.JJWT]
introduce
Recently, I want to develop a coder management platform. For the technical selection of login module, I chose JWT Jwt can ensure that the login information placed on the client is not tampered with. In order to be more secure, I use RSA asymmetric encryption. That is, the private key is used to generate Jwt, and the public key is use ...
Posted by climbjm on Sun, 20 Feb 2022 07:55:20 +0100
Using Arduino's accelerometer based gesture control robot
Original address: https://circuitdigest.com/microcontroller-projects/accelerometer-based-hand-gesture-controlled-robot-using-arduino
Using Arduino's accelerometer based gesture control robot
ARDUINO
Pass by** Saddam **July 28, 2015 135 Robots play an important role in the automation field of construction, military, medical, manufacturing an ...
Posted by Darhazer on Sun, 20 Feb 2022 07:47:36 +0100
Kube scheduler source code analysis - initialization and startup analysis
Kube scheduler source code analysis (1) - initialization and startup analysis
Introduction to Kube scheduler
Kube scheduler component is one of the core components in kubernetes. It is mainly responsible for the scheduling of pod resource objects. Specifically, Kube scheduler component is responsible for scheduling the unscheduled pod to the ...
Posted by newzub on Sun, 20 Feb 2022 07:36:20 +0100