Spring Boot Cache Actual Redis sets the effective time and automatically refreshes the cache, time support is configured in the configuration file

Problem description The @Cacheable annotation provided by Spring Cache does not support configuring expiration times and automatic refresh of caches. We can configure the default expiration time by configuring CacheManneg and configure the expiration time separately for each cache container (value), but it always feels less flexible. Here is an ...

Posted by lcoscare on Sun, 22 Sep 2019 20:36:02 -0700

How to Reuse the Logic of a Component

Preface This paper briefly discusses the history of logical combination and reuse modes of React and Vue mainstream view libraries: from Mixins to HOC, then to Render Props, and finally to the latest Hooks. * Note: JS script files are introduced globally in this article, so you will see: const {createElement: h} = React; object deconstruction l ...

Posted by yazz on Sun, 22 Sep 2019 04:20:30 -0700

java reflection knowledge

reflex Article directory reflex Summary Definition purpose Relevant Classes of Reflection Mechanisms Class Class Class Field Class Method Constructor class 1. Several Ways to Get Class Objects Student object Several Methods of Obtaining Class Objects 2. Get the construction method and use it 3. ...

Posted by wmguk on Sun, 22 Sep 2019 04:16:45 -0700

Nuxt adaptive SSR scheme: SEO and first screen minimization optimization

At present, the project uses Nuxt SSR to complete server rendering. In order to meet the needs of SEO, non-first-screen content is also requested and served directly, resulting in longer first-screen time (non-first-screen resource requests and component rendering will bring additional overhead). For a large number of users, a small number of ...

Posted by sys4dm1n on Sun, 22 Sep 2019 03:04:47 -0700

JSP file of Spring MVC and form tag provided by it

Form: Form is the form label provided by MVC, and also provides the corresponding input label. Use needs to import: <%@ taglib prefix="form" uri="http://www.springframework.org/tags/form" %> Note: The actual development action path requires a global path: ${pageContext.request.contex ...

Posted by mjurmann on Sat, 21 Sep 2019 02:36:40 -0700

Python takes you to grab a video red envelope, not let go of a red envelope!

Today, I want to share with you a red packet of how to use Python technology to capture video! Not only can you learn Python technology, but you can also make money. Hand-in-hand teaching, with source code! After reading, I think we can have a wave of watching + forwarding! 1 Target scenario Pytho ...

Posted by robotta1530 on Fri, 20 Sep 2019 22:50:58 -0700

Summary of efficient java tool classes

1. org.apache.commons.lang.StringUtils isBlank: Is the string empty (trim later) isEmpty: Whether the string is empty (not trim and judge) equals: Is the string equal join: a merged array is a single string, passing a delimiter Split: split string isNumericSpace: Is it number able before and after r ...

Posted by Matt Parsons on Fri, 20 Sep 2019 20:11:02 -0700

Detailed Use of Mybatis ResultMap

Definition of Mybatis MyBatis is an excellent persistence framework that supports customized SQL, stored procedures, and advanced mapping. MyBatis avoids almost all JDBC code and manual parameter setting and retrieving result sets. MyBatis can To configure and map native information using simple XML or annotations, the interface and Java POJO ...

Posted by budder on Fri, 20 Sep 2019 08:46:18 -0700

Threads (asynchronous and multithreaded)

Task is. NET Framework 3.0. Threads are based on thread pools and then provide rich api s. Thread methods are very powerful, but they are too powerful and unrestricted. The DoSomething Long method is as follows: /// <summary> /// A more time-consuming and resource-consuming private approach /// </summary> /// <param na ...

Posted by spadmore on Fri, 20 Sep 2019 07:43:50 -0700

web Front-end Entry to Practice: Implementing Graphic Verification Code

What is Graphic Verification Code Graphic verification code is a kind of verification code. CAPTCHA is the abbreviation of "Completely Automated Public Turing test to tell Computers and Humans Apart". It is a public fully automated program that distinguishes a user from a computer or a human ...

Posted by joeynovak on Fri, 20 Sep 2019 07:13:47 -0700