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  introduction It is said that StringBuilder is more efficient than String in handling String splicing, but sometimes there may be some deviation in our understanding. Recently, when I tested the efficiency of data import, I found that my previous understanding of StringBuilder was wrong. Later, I found out the logic of this piece by mea ...

preface Python automation is used to obtain the best selling goods of a certain kind for reference. No more nonsense. Let's start happily~ development tool Python version: 3.6.4 Related modules: Pyecarts module; And some Python built-in modules. Environment construction Install Python and add it to the environment variable. pip can ins ...

Link: https://pan.baidu.com/s/1d6YO... Extraction code: iamhAuthor - \ / 307570512Introduction to Dubbo 3Apache Dubbo is a high-performance, lightweight open source service framework. Apache Dubbo 3.0.0 was officially released - fully embracing cloud nativeSince Apache Dubbo opened its source in 2011, it has accumulated a lot of experience in t ...

Today I learned OkHttp and made a summary here. I hope it can help people in need. Well, don't talk more nonsense and get to the point.1, OkHttp introductionOkHttp is an excellent network request framework. When it comes to network request framework, many people may think of volley. Volley is a network request framework provided by Google. My b ...

Download: Geek time cloud native training camp | latest HDCloud native introductionWith the rolling wave of cloud computing, the concept of Cloud Native came into being. Cloud Native is very popular and has been in a mess for 9102. If you don't understand Cloud Native, it's really Out.What is cloud primordial?Cloud native is a method of buildin ...

Today, let's take a look at how much faster the native executable built by Quarkus is than the Spring application,   Ecological maturity is not discussed here  . TLDR Let's draw a conclusion and make a comparison with the Spring Web application with only one Controller. Application start time: 0.012s vs 2.294s Image size: ...

UI layout The home page divides different interfaces through the paging bar, as well as the functions of minimizing, maximizing and closing forms. The application page and the direct page are composed of simple buttons, which are aligned before and after and aligned left and right. The weather query bar consists of a simple "button, inp ...

Pre knowledge We will use Nacos as the registration center, Gateway as the Gateway, and the micro service permission solution provided by SA token. This solution is based on the previous solution Application Architecture The idea is similar to the previous scheme. The authentication service is responsible for login processing, the ga ...

Abstract: the concepts and techniques learned in this tutorial will allow you to practice with any API you like, and use Python to meet any API you may have. This article is shared from Huawei cloud community< Python and API: successful combination of reading public data >, author: Yuchuan. Understanding API API stands for application ...

preface Transaction is one or more database operations that need to ensure atomicity, isolation, consistency and persistence at the same time This article will explain the implementation methods of two transactions in springBoot, programming transaction configuration and declarative transaction configuration, as well as aspect transactions. O ...