戈壁堂

收集整理记录日常工作中用到的技术点。

环境搭建和基础使用 How to setup OpenGrok opengrok site Features Comparison with Similar Tools Supported Revision Control Systems Supported Languages and Formats How to build OpenGrok from source How to install OpenGrok Internals Story of OpenGrok 在用户目录下执行，仅作验证使用。 安装准备 从https:/

银行卡号编码规则

银行卡号编码规则及其应用

详细介绍银行卡号的编码规则及校验

Payment card number Luhn algorithm

卡号最长19位，包括：

• 6位发行者识别号码（IIN, Issuer Identification Number）
• 最长12位的账户号码（Primary Account Number, PAN）
• 1位校验码，以Luhn算法计算

Maven最初是为了更好地为Jakarta Turbine项目(已于2011年12月11日退役)打包而开发的工具。

Maven, a Yiddish word meaning accumulator of knowledge, began as an attempt to simplify the build processes in the Jakarta Turbine project. There were several projects, each with their own Ant build files, that were all slightly different. JARs were checked into CVS. We wanted a standard way to build the projects, a clear definition of what the project consisted of, an easy way to publish project information, and a way to share JARs across several projects.

“Maven” is really just a core framework for a collection of Maven Plugins.

Maven in five minutes

mvn命令是一段脚本程序。

7月7，SonarQube发布8.4版本 ，历史、团队、社区 中文插件已支持 code quality质量维度： Maintainability 可维护性 Reliability 可靠性 Security 安全性 对应： Code smell 异味 Bug