Spring boot2 unit test

Introduce maven dependency powermock is introduced to solve the problem of static method mock. <dependency> <groupId>org.powermock</groupId> <artifactId>powermock-module-junit4</artifactId> <version>2.0.2</version> <scope>test</scope> </dependency> <dependency> ...

Posted by leeharvey09 on Tue, 15 Oct 2019 03:50:03 -0700

Talk about valueOf and toString

valueOf and toString are methods of Object.prototype. In general, these two methods are rarely called directly, but they will be called when the object is used to participate in the operation. I think most people have the following questions: Which priority is higher, valueOf or toString? Will all scenarios call valueOf and toString? Conceptu ...

Posted by py343 on Tue, 15 Oct 2019 03:14:47 -0700

Learning summary of pixi.js

I. Introduction to pixi.js pixi.js is a very fast 2D sprite rendering engine. It can help us display, animate and manage interactive graphics. In this way, we can easily implement an application or complete a game using javascript and other HTML5 technologies. It has a semantic, concise API, and contains many useful functions. For example, it s ...

Posted by ternto333 on Tue, 15 Oct 2019 00:04:21 -0700

Python multitasking protocol

Preface The core point of the collaboration is the use of the collaboration, that is, you only need to know how to use the collaboration; but if you want to know how to achieve the collaboration, you need to know the iterator, the generator in turn. If you only want to see the use of the coordinator, you just need to look at the first part; i ...

Posted by Kitkat on Mon, 14 Oct 2019 23:48:58 -0700

Learn FreeRTOS - (Create Tasks) - 2 from 0

supplement Before we begin today's content, let's add the last article. From Single Chip Microcomputer to Operating System-1 A little missing knowledge. BaseType_t xTaskCreate(       TaskFunction_t pvTaskCode,                              const char * const pcName,                              uint16_t usStackDepth,                       ...

Posted by avvllvva on Mon, 14 Oct 2019 23:22:31 -0700

Java crawler server is blocked, don't panic, let's change a server

This is the fourth in a series of Java crawler blogs, in the last one Java crawler encounters data asynchronous loading, try these two methods! ) In this article, we have a brief talk about how to deal with the problem of asynchronous loading of data from the perspective of built-in browser kernel and reverse parsing. In this article, we will b ...

Posted by poknam on Mon, 14 Oct 2019 22:05:25 -0700

Heterogeneous Actual Warfare of Data Subscribe and Convert Logs Based on canal

What is heterogeneous data processing? Simply put, in order to satisfy the expansion of our business, data is transformed from a specific format to a new data format. Why does this need arise? In traditional enterprises, data are mainly stored in relational databases, such as MySQL, but in order to meet the expansion of demand, the dimension ...

Posted by matthewhaworth on Mon, 14 Oct 2019 20:01:35 -0700

Spring Boot 2.X: Spring Cache

Introduction to Spring Cache Multi-Cache support is introduced in Spring 3.1. In the spring-context package, two interfaces, org.spring framework.cache.Cache and org.spring framework.cache.CacheManager, are defined to unify different caching technologies. Cache interfaces include common operations of caching: add, delete, read, and so on. Cache ...

Posted by copernic67 on Mon, 14 Oct 2019 20:00:28 -0700

Using Newspaper3k framework to quickly capture article information

Introduction to the Framework Newspaper is a python 3 library, but Newspaper framework is not suitable for practical engineering news information crawling. The framework is unstable and there will be various bug s in the crawling process, such as inaccessible url, news information, etc. But for friends who want to obtain some news corpus, it i ...

Posted by Ryanmcgrim on Mon, 14 Oct 2019 19:48:44 -0700

Xie Baoyou: Teach you to send patch es to the Linux kernel by hand

Brief introductionThis article shows step by step how to generate a simple Linux kernel patch and submit it it to the Linux community. To show the steps for submitting patches to the community. English name of this article: "Submit Patches Step by Step" Author brief introductionXie Baoyou, who has worked on the programming front line ...

Posted by pspeakman on Mon, 14 Oct 2019 19:14:21 -0700