Programmer Group

Objectives of this section Understand what a collection framework isUnderstand the meaning of learning set frameworkMaster the relevant interfaces and common implementation classes of the collection frameworkUnderstand what to learn in the next stage 1. Introduction Official course The Java Collection Framework, also known as the container c ...

1. return of saltstack component The return component can be understood as the SaltStack system stores or returns the data returned by Minion to other programs. It supports a variety of storage methods, such as MySQL, MongoDB, Redis, Memcache, etc. through return, we can record each operation of SaltStack and provide a data source for futu ...

meaning Slice is a special array. Is a reference to a contiguous fragment of an array, so a slice is a reference type. Slices can be part of an array or a subset of items identified by the start and end indexes. The slice is a bit like the pointer in C language. The pointer can perform operations, but the cost is that the memory operation is ou ...

In the previous analysis, the Spring Framework has been committed to solving a problem, that is, how to make bean management easier, and how to make developers pay less attention to the configuration of some basic beans, so as to realize automatic assembly. Therefore, the so-called automatic assembly is actually how to automatically load beans ...

background   Yes, if you want to search the List collection, you can use your own contains/ indexOf method to find elements before Java 8, but only complete elements, not fuzzy search or user-defined search. At this time, you can only traverse. But now it's 2021. Are you still searching for List collection elements in the traditional way of ...

HTML5 final assignment: planned travel website design - Luoyang City Tourism (34 pages) HTML+CSS+JavaScript dreamweaver assignment static HTML web page design template travel Common web design topics include individuals, food, companies, schools, tourism, e-commerce, pets, electrical appliances, tea, home, hotels, dance, animation, stars, c ...

HTML5 final assignment: ancient city tourism website design - Introduction to ancient city scenic spots (34 pages) HTML web page design about ancient city - Introduction to scenic spots Common web design topics include individuals, food, companies, schools, tourism, e-commerce, pets, electrical appliances, tea, home, hotels, dance, animatio ...

Docker image construction process record Build a docker image for a java project of the company and store the image in a private library. Record the operation process. 1. Packing This is a maven project of spring boot. The packaging command is very simple. cd /projecthome mvn clean package Here, due to the pom file configuration of mvn, ...

One background With the rapid development of the Internet industry, web-based business and processes become more cumbersome and iterative faster. Traditional manual testing can not meet the market demand. In order to reduce the labor cost of regression, rapid iteration and automatic testing are the inevitable trend. This article mainly int ...

1. What is SPI1. BackgroundIn the object-oriented design principle, it is generally recommended to program based on the interface between modules. Generally, the caller module will not perceive the internal implementation of the called module. Once the code involves specific implementation classes, it violates the opening and closing principle. ...