logback source code analysis-2, appender parsing

Source code based on logback 1.1.2 The logback.xml file is as follows <?xml version="1.0"?> <configuration scan="true" scanPeriod="30 seconds"> <property name="fileDir" value="/export/log/ingoreTest"/> <appender name="debugFile" class="ch.qos.logback.core.rolling.RollingFileAppender"> <file>${ ...

Posted by kumaran on Fri, 10 May 2019 09:24:03 +0200

Packaging knowledge combing

Our daily computer mainframe encapsulates cpu, memory, motherboard and so on into the chassis. If there is no chassis, then there is no boot button, then we need to operate the jumper directly to turn on the computer. In this way, if the operation is not careful, the machine will be damaged and dangerous, then if encapsulated w ...

Posted by aaronlzw_21 on Thu, 09 May 2019 21:46:02 +0200

Html Introduces Baidu Rich Text Editor ueditor

Rich text editor is powerful and easy to use. I use Baidu Rich Text Editor. First of all, I need to download it well. demo of Baidu Editor, Then create the ueditor.html file, introduce Baidu Editor, then introduce it into the html file, and then use js to instantiate the editor. The code is as follows: <!DOCTYPE html> <html> <h ...

Posted by elle_girl on Thu, 09 May 2019 20:10:04 +0200

What new common grammars are added to ES6

Defined function Let's start with a basic new feature. In javascript, defining functions requires keyword functions, but in es6, there are more advanced ways to write them. Let's see: es6 writing: var human = { breathe(name) { //UnwantedfunctionIt can also be defined. breathe Function. console.log(name + ' is ...

Posted by roach on Thu, 09 May 2019 13:12:04 +0200

java—— reflection details

Reflection is rarely used in our ordinary program development, but it is used extensively in our underlying program design, such as agent mode, factory mode and some other design modes, including the development tools we use, as well as at the bottom of many open source frameworks.So mastering Java's reflection mechanism is very ...

Posted by ejames13 on Wed, 08 May 2019 17:18:03 +0200

Express Tutorial Series: Basic Use of session

1. About session session is another mechanism for recording the status of clients. Unlike cookie s, which are stored in client browsers, sessions are stored in servers.When the client accesses the server, the server generates a session object with the key:value stored in it, and the server passes the key back to the client's cookie. When the u ...

Posted by zilem on Wed, 08 May 2019 06:30:03 +0200

js review: prototype chain

Prototype chain The prototype chain is actually a mechanism of inheritance in JavaScript. Before we understand the prototype chain, we should first understand several concepts: this, ordinary object and function object, constructor, new. this This is a confusing concept for many people, but to understand the prototype chain we have to understan ...

Posted by billspeg on Wed, 08 May 2019 06:15:04 +0200

Technical summary

Install pygame module Install modules for making games Installation through pip command pip install pygame Game Initialization and Exit Initialization pygame.init() Sign out pygame.quit() Rectangular area object Four Elements of Rectangular Area x coordinates, y coordinates, width, height x,y,width,heigh Descri ...

Posted by khefner on Wed, 08 May 2019 02:15:03 +0200

Array Knowledge Point Arrangement

Array Knowledge Point Arrangement [the most detailed and comprehensive] array Why learn arrays? The Concept of array Initialization of arrays Array Notes Traversal of arrays On Value Passing and Reference Passing in Arrays array Hello! This chapter mainly collates the knowledge points related to arrays. If you want to ...

Posted by suave4u on Tue, 07 May 2019 13:30:03 +0200

NEO400J Level Full-Text Index Construction Optimization

NEO400J Level Full-Text Index Construction Optimization 1. Scale of data volume (level 100 million) 2. Ways to Build Indexes 3. Exceptions Occurring in Index Building IV. Code optimization for full-text index 1,Java.lang.OutOfMemoryError 2. When accessing a database 3. Optimizing scheme 4. Optimize Code 5. Perform efficiency ...

Posted by lisa007 on Tue, 07 May 2019 12:10:06 +0200