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JSXTransformer(in React) 소스 분석

1. JSXTransformerJSXTransformer 내부에서 사용되는 Esprima-FB 파서는 기존 Esprima 파서를 확장(JSX 명세) 구현한 버전이다.현재 버전은 15001.1001.0-dev-harmony-fb 이며, 분석된 내용은 13001.1001.0-dev-harmony-fb 버전을 따른다.JSXTransformer CDN생성된 Parse 트리 구조는 모질라의 Parser AST 인터페이스 명세를 따르고 있다.(or 구현되어있다)Program Interface 명세소스상의 parser 옵션 수정하여, (파서를 통해)수집된 토큰을 반환받을 수 있다.function getAstForSource(source, options) { if (_astCache[source] && !options..
React/Core 2016. 1. 10. 12:24
java.lang.NullPointerException – How to handle Null Pointer Exception

n Java, a special null value can be assigned to an object’s reference and denotes that the object is currently pointing to unknown piece of data. ANullPointerException is thrown when an application is trying to use or access an object whose reference equals to null. The following cases throw that exception:Invoking a method from a null object.Accessing or modifying a null object’s field.Taking t..
Java/Core 2016. 1. 10. 12:23
[펌]Getting started with annotation based Spring MVC web application

Here is a minimal way to get a Spring 3 MVC project started with Maven.First create spring-web-annotation/pom.xml file and include the Spring dependency: 010207 08 4.0.009 spring-web-annotation10 spring-web-annotation11 1.0-SNAPSHOT12 war13 14 15 16 javax.servlet17 javax.servlet-api18 3.1.019 provided20 21 22 org.springframework23 spring-webmvc24 3.2.4.RELEASE25 26 27Now create the Servlet 3 web..
Spring/3.x 2016. 1. 10. 12:22
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