Remember the problems in converting List to map (java)

Java 8 uses the List of stream to map the problems encountered. Let's start with a brief introduction to the new feature of Java8, Lambda expression. In a word, it is an anonymous class function or closure. The advantage is that it can dynamically operate the data structure we need to operate. In normal development, List to Map is often used, f ...

Posted on Thu, 19 Mar 2020 07:55:27 -0700 by frontlines

When will items in HTML5 local storage expire?

How long can data stored in localStorage (as part of DOM storage in HTML 5) be used? Can I set the expiration time for the data put into localStorage? #1 building // Functions function removeHtmlStorage(name) { localStorage.removeItem(name); localStorage.removeItem(name+'_time'); } function setHtmlStorage(name, value, expires) { ...

Posted on Thu, 19 Mar 2020 05:14:21 -0700 by Gokul

Plug in mechanism in Nuxt (integrating axios example & principle analysis)

1. What is the plug-in mechanism? nuxt provides plug-ins to enhance or control existing programs. 1.1 steps of writing plug-ins 1.1.1 step 1: Create js file in / plugins / 1.1.2 step 2: Register my.js in the file nuxt.config.js /**Diffuse Road*/ plugins: [ {src:'~/plugins/my.js'} ], 1.1.3 step 3: Access any component to view the co ...

Posted on Thu, 19 Mar 2020 02:08:38 -0700 by scarface222

Simple implementation of Shilo single sign on

Mode one multiple login sso method of MVC Controller @RequestMapping(value = "ssoLogin.do") public String sso(String userName, String password,HttpServletRequest request, HttpServletResponse response) { AuthUser user = userDao.getUserByname(userName); UsernamePasswordToken token = new UsernamePasswordToken(username, password); //Get the ...

Posted on Wed, 18 Mar 2020 07:36:58 -0700 by daneth1712

Spring Cloud uses Zuui to filter and intercept

Preface Zuul can realize many advanced functions, such as current limiting, authentication and so on. To achieve these functions, we must be based on the core component "filter" provided to us by zuul. Let's take a look at zuul's filter. Filter type 1 pre It can be called before the request is routed. It is applicable to the scenario ...

Posted on Wed, 18 Mar 2020 07:11:00 -0700 by driver

Spring annotation - life cycle, attribute assignment, auto assembly

1, Bean's life cycle Technological process Bean creation - initialization - Destruction Establish: Single instance: creating objects when container starts Multiple instances: creating objects on each call Initialization: After the object is created, the initialization method is called Destruction: Single instance: call destroy method when ...

Posted on Wed, 18 Mar 2020 05:38:08 -0700 by jay7981

Ten sorting algorithms

sort Bubble sort Sorting process 1. Given that the length of the array is n, if the total number of sorting passes is t, then t=n-1 2. The I pass (I value range [1,n-1]) starts from the 0 th element to the n-i element, and compares and exchanges the two adjacent elements one by one to ensure that the maximum (or minimum) value is later 3. Repe ...

Posted on Wed, 18 Mar 2020 03:14:16 -0700 by adamjnz

Disruptor Practice (with Source Code) in Ant Golden Clothing Distributed Link Tracker Component SOFATracer

SOFAStack(Scalable Open Financial Architecture Stack)It is a financial cloud native architecture developed by Ant Golden Suit and contains the components needed to build a financial cloud native architecture. It is a best practice refined in a financial scenario. SOFATracer Is a component for distributed system call tracking, which is unified ...

Posted on Tue, 17 Mar 2020 19:53:36 -0700 by jockey_jockey

Python learning 06.15: Python super() function: calling the constructor of the parent class

More than once, Python The subclass inherits all the properties and methods of the parent class. Strictly speaking, the construction method of a class is actually an instance method, so there is no doubt that the construction method of the parent class and the child class will inherit the same. But we know that Python is an object-oriented pro ...

Posted on Tue, 17 Mar 2020 03:01:02 -0700 by derekbelcher

One of the little games ------ greedy snake tutorial

1. In my opinion, the most important thing to learn programming is multi action handwritten code. Only when you really write, can you find your own problems, find and correct them, and your ability can be improved. For most people, you can be a good programmer by understanding and applying what you have learned. 2. It's a good choice to write s ...

Posted on Tue, 17 Mar 2020 02:58:16 -0700 by FloridaNutz