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Powerful coding training system. LintCode has the most interview problems covering Google, Facebook, Linkedin, Amazon, Microsoft and so on. We provide Chinese and English versions for coders around the world. | 练码 | 算法笔试 | 编程 | 算法面试
优课在线UCOOC是新一代互联网自主学习平台，可为用户提供MOOC，混合式学习及SPOC学习方式。
Logback is intended as a successor to the popular log4j project, picking up where log4j 1.x leaves off. | 日志框架 | Java框架 | slf4j-api | logback-core | logback-classic
The Simple Logging Facade for Java (SLF4J) serves as a simple facade or abstraction for various logging frameworks (e.g. java.util.logging, logback, log4j) allowing the end user to plug in the desired logging framework at deployment time.
