python data type

This paper summarizes the basic data types in python language, including (int,bool,str,list,tuple,set,dict,none,float) data type methods (unique functions, public functions). Although the content is numerous and cumbersome, you only need to remember the common knowledge points. (article 2W words, according to the directory index) Structure: & ...

Posted by Zallus on Fri, 12 Nov 2021 16:38:44 -0800

Spring MVC explains the core technology in detail

Chapter IV spring MVC core technology 1. Forwarding and redirection forward: view full path redirect: view full path 1.1 java code @Controller public class MyController { * The controller method returns MOdelAndView Realize forwarding forward * grammar: mv.setViewName("forward:View full path") * * forward Features ...

Posted by vargefaret on Fri, 12 Nov 2021 16:35:12 -0800

Do you think it's easy to have two days apart?

These two days of love Anniversaries are approaching, I want to write a program to calculate the number of days that any two dates are directly separated by, think about it, the input is two dates, the output is a number of days problem, should be simple, the result is to change to a state of mind collapse, of course, this topic is not difficul ...

Posted by duncanwilkie on Fri, 12 Nov 2021 15:10:16 -0800

HTML Basics (front end technology)

1, HTML5 document structure   in order to better understand and understand HTML5 web pages, a simple and standard HTML5 document structure code is given below. <!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title>hello</title> </head> <body> </body> </html> ...

Posted by girlzz on Fri, 12 Nov 2021 15:08:33 -0800

Flowable getting started series article 54 - execution listener

The execution listener allows you to execute external Java code or evaluate expressions when a specific event occurs during process execution. The events that can be captured are: Start and end a process instance.transformation.Start and end activities.Start and end a gateway.Start and end intermediate events.End the start event and start the ...

Posted by flyankur on Fri, 12 Nov 2021 15:06:22 -0800

Automatic deployment practice of Gitlab+Jenkins+k8s+Helm

From a practical point of view, this paper introduces how to combine our commonly used Gitlab and Jenkins to realize the automatic deployment of the project through K8s. Examples will include the server-side project based on SpringBoot and the Web project based on Vue.js. The tools and technologies involved in this paper include:Gitlab -- a com ...

Posted by jkm4201 on Fri, 12 Nov 2021 15:05:22 -0800

STM32F103 - timer encoder mode and advanced timer output complementary PWM signals

STM32F103 - timer encoder mode and advanced timer output complementary PWM signals When STM32 is just used, the encoder speed is calculated by using the input capture interrupt to obtain the motor speed. After a period of learning, it is found that the motor speed is obtained by using the input capture interrupt. When the motor speed is not hi ...

Posted by fred2k7 on Fri, 12 Nov 2021 14:59:58 -0800

Binary installation MySQL and MySQL addition, deletion, modification and query

1. Introduction to MySQL MySQL is a relational database management system developed by Swedish MySQL lab company, which is a product of Oracle. MySQL is one of the most popular relational database management systems. In terms of web application, MySQL is one of the best RDBMS(Relational Database Management System) application software. My ...

Posted by hightechredneck on Fri, 12 Nov 2021 14:52:53 -0800

Multibyte Read of EEPROM24C02 on I2C Bus

The multi-byte reading of EEPROM under I2C bus is not difficult, basically a little change on the basis of one byte reading, so let's review the function of reading a single byte and see what he means at each step. The read data explained here are all optional reads under EEPROM24C02: The time series is as follows The timing analysis is as fo ...

Posted by costamesakid on Fri, 12 Nov 2021 14:41:34 -0800

tensorflow -- identify MNIST datasets

The previous article talked about how to build our own network with keras, and explained some common parameters. This article will briefly introduce how to use the framework in the previous article to identify MNIST data sets. MNIST dataset is already a "chewed" dataset. Many tutorials will "start" on it and almost become a ...

Posted by Soogn on Fri, 12 Nov 2021 14:24:51 -0800