react learning notes -- I -- mobile terminal project construction

1, Initial project construction npx create-react-app my-app cd my-app npm start 2, Project directory structure design 1. Delete everything under src after creating a new project 2. Then create the relevant directory structure: 3, Initialize and configure the mobile terminal project file 1. Introduce antd mobile Official website: htt ...

Posted by akaki on Fri, 11 Feb 2022 19:27:50 +0100

[tcallusdb knowledge base] restful API For list table - [PB] [PB] ListDeleteRecord introduce

[tcallusdb knowledge base] restfulapi2 0 for list table - [Pb] listdeleterecord2 0 Introductionbrief introductionDelete the record of the specified subscript under the corresponding Key in the List PB table.Index: Specifies the subscript of the record to delete.POST http://{Tcaplus_REST_URL}Request syntaxHttp request#Tencent cloud console RESTf ...

Posted by php_joe on Fri, 11 Feb 2022 19:13:04 +0100

Research and implementation of temperature control automatic baking system

Research and implementation of temperature control automatic baking system Research and implementation of tea automatic baking system. The basic principle and system block diagram of tea automatic baking system are studied. Through the temperature detection module, three different temperature data can be detected in real time, and the data can ...

Posted by greenber on Fri, 11 Feb 2022 19:01:23 +0100

PHP session file inclusion and deserialization (utilization of session.upload_progress)

preface This article uses PHP_SESSION_UPLOAD_PROGRESS summarizes file inclusion and deserialization. That is, the file inclusion and deserialization of PHP session Introduction to session Session is called "session control". The session object stores the attributes and configuration information required for a specific user ...

Posted by CiPH on Fri, 11 Feb 2022 18:37:03 +0100

Concurrent file download assistant

​ Personal project - Concurrent file download assistant Expected and actual time consumption of each module PSP2.1Personal Software Process StagesEstimated time (minutes)Actual time (minutes)Planningplan6030· Estimate·Estimate how long this task will take14401080Developmentdevelopment1080· Analysis·Demand analysis (including ...

Posted by SuperCam on Fri, 11 Feb 2022 18:33:53 +0100

Python implementation of genetic algorithm (solving function extremum problem)

Problem description f(x)=x*sin(x)+1, x belongs to [0,2 π]. Taking solving the maximum and minimum value of f(x) as an example, a genetic algorithm program for f(x) is designed, and then run to solve it (1) Determine the basic functions: this experiment is to solve the maximum and minimum values of f (x). (2) Encoding f(x): a chromosome ...

Posted by HairBomb on Fri, 11 Feb 2022 18:25:17 +0100

[TWVRP] solving TWVRP problem with time window by ant colony algorithm [Matlab 109]

1, Introduction 1 origin and development of ant colony algorithm (ACA) In the process of studying the new algorithm, Marco Dorigo and others found that when ant colony is looking for food, they can exchange foraging information by secreting a biological hormone called pheromone, so they can quickly find the target. Therefore, in their doctoral ...

Posted by krispykreme on Fri, 11 Feb 2022 18:22:30 +0100

Several methods of thread safety in Java

We know Java One feature, multithreading, is a process that runs multiple threads at the same time. When multiple threads process the same data and our data value changes, this situation is not thread safe, and we will get inconsistent results. When a thread already works on an object and prevents another thread from working on the same object, ...

Posted by elite_prodigy on Fri, 11 Feb 2022 18:19:41 +0100

Operation of reading Python source code Python list

Introduction: In the last article, I briefly understood the expression form of python list. Today, I'll briefly understand some operations on list. The following is in Listobject Some methods declared in the H header file, where PyList_New,PyList_SetItem was briefly read in the previous article, pylist_ I won't say more about the size method t ...

Posted by weyes1 on Fri, 11 Feb 2022 18:08:36 +0100

Use of RMI in Java

RMI introduction RMI (Remote Method Invocation) model is a distributed object application. Using RMI technology, objects in one JVM can call object methods in another JVM and obtain the call results. The other JVM here can be on the same computer or a remote computer. Therefore, RMI means a Server side and a Client side. The Server side usu ...

Posted by Mgccl on Fri, 11 Feb 2022 17:52:06 +0100