Programmer Group

Hey, guys, good evening! After climbing Jingdong in the afternoon, we'll try Taobao in the evening. The road of chopping hands will never stop! In fact, I don't want to climb. I can't be known by my daughter-in-law. She said she wanted to buy things on Taobao. She didn't bother to see it. Let me analyze it with code. No, he doesn't smell good ...

This chapter mainly explains how to build and deploy in CentOS environment 1,InfluxDB InfluxDB is an open source distributed time series, events and indicators database written in Go language without external dependence. Similar databases include Elasticsearch, Graphite, etc. Download address: https://portal.influxdata.com/downloads/ 1.1 ...

Tips (Part 2) undertake (Part 1). The interface document and Ali icon library have been given in (Part 1). The code pasted in this article may be incomplete. See (Part 2) for the complete code. Dynamic rendering of product details rotation chart First, write the structure of the rotation chart in goods_ Modify the code in index.wxml unde ...

What is jstack The main function of jstack is to view or export the stack information (snapshot) of java threads; Used for stack trace. When we use the jstack command, it will print out the call stack of methods in all threads in the specified process. Thread snapshot is a collection of method stacks being executed by each thread in java virt ...

Representation and processing of information The three most important numbers represent: Unsigned( unsigned)Coding is based on the traditional binary representation, which represents numbers greater than or equal to zero. Complement( two' s-complement)Coding is the most common way to represent signed integers. Signed integers are numbers ...

1, Foreword Long time no see. How are you? Recently started learning Ruoyi Framework: a background management system based on SpringBoot. As a rapid development framework, online evaluation is good. Students who have time can look at the code and learn it. At the beginning, I planned to introduce the user-defined annotation with the Log ...

1, Git basic introduction 1. Git structure 2. Local and remote Libraries 2.1 intra team collaboration The difference between pull and clone: Clone a version library as like as two peas from the remote server to the local version, which is copied from the entire version library, called clone. (clone is a copy of the library to your loc ...

Application scenario Recently, there is a requirement that after the server executes an instruction, it needs to back up the generated data to windows. It's not easy to check on the Internet. Some need to write a script to run in windows, but this application does not need windows operation. Instead, it monitors the operation of the server and ...

2021SC@SDUSC The code analyzed last week is mainly Framework.py. This week, we will analyze the code of other files involved in the call. 1. Analysis of other classes involved in Framework.py 1.1 brief introduction Last week, we briefly analyzed and introduced the source code of the main source code file Framework.py of the Framework p ...

catalogue preface 1, Collection collection 1. Collection characteristics and architecture 2.Collection collection overview and basic usage 3. Common methods and traversal of collection 4. Collection case - the collection stores student objects and traverses them 2, List collection 1.List set overview, features and unique methods 2. Con ...