理解MySQL索引背后的数据结构及算法原理

http://blog.codinglabs.org/articles/theory-of-mysql-index.html http://www.cnblogs.com/0201zcr/p/5296843.html https://github.com/iqiancheng/mysql-tutorial/blob/master/chapter3/3.5.md#存储引擎简介 https://github.com/iqiancheng/mysql-tutorial/blob/master/21-minutes-MySQL-basic-entry.md

Solutions for Maven error “Failure to transfer…”

Problem #1 I am trying to set up a project using Maven (m2eclipse), but I get this error in Eclipse: (Description Resource Path Location Type Could not calculate build plan: Failure to transfer org.apache.maven.plugins:maven-compiler-plugin:pom:2.0.2 from http://repo1.maven.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact org.apache.maven.plugins:maven-compiler-plugin:pom:2.0.2 from/to central (http://repo1.maven......

怎样用在Mac上面使用Maven向本地仓库添加jar

我需要在家里的Mac的环境把私有jar包添加到本地maven仓库。首先我使用brew安装maven: $ brew install maven ... maven-3.3.3 already installed. 本以为安装了maven命令行就可以。远远没有那么easy,运行mvn命令就提示下面的报错信息。 Problem #1Exception in thread "main" java.lang.UnsupportedClassVersionError: org/apache/maven/cli/MavenCli......