本文主要分享下楼主在学习Swift编程过程中，对GitHub上的一个开源AppSwiftMusic的研究心得。(https://imghelloworld.osscnbeijing.aliyuncs.com/a47a2684664

一、下载JDK    到oraclejava官网下载JDK,放到/usr/local/src    !(https://oscimg.oschina.net/oscnet/bc4cf97838cb701563fd63df47e5cff7adf.jpg)二、解压!(http

一、将读取Excel文件放到Plugins文件下，并添加组件!(https://oscimg.oschina.net/oscnet/c7178e90511e8c06c4a9a9046e27b4dba47.png)二、相关代码usingSystem;

发现直接连接MGR节点是正常的,可以写入,但通过ProxySQL连接就无法show\\select\\insert等使用sysbench对ProxySQL报以下错误:FATAL:thread_run'functionfailed:/usr/share/sysbench/oltp_insert.lua:47:SQLerror,e

!(https://oscimg.oschina.net/oscnet/dbaf9f26595b4ed1b5165db8378d4781.png)浏览器兼容性问题大汇总!(https://oscimg.oschina.net/oscnet/8cc1d9bd64e249f18ff0b84249560a8a.jpg)Ø

!(https://oscimg.oschina.net/oscnet/47c2dc1e3f974022b4c145f4e2219a48.png)来源： huangguisu链接

习题44骰子涂色（Cubepainting,UVa253）输入两个骰子，判断二者是否等价。每个骰子用6个字母表示，如图47所示。图47骰子涂色例如rbgggr和rggbgr分别表示如图48所示的两个骰子。二者是等价的，因为图48（a）所示的骰子沿着竖直轴旋转90°之后就可以得到图48（b）所示的骰子。!这里写图片描述(

MySQL&MongoDB监控利器PMM!96(https://upload.jianshu.io/users/upload_avatars/9565093/fc1a2cd0a7524978a1454176a88b4c47.jpg?imageMogr2/autoorient/strip|imag

!(https://oscimg.oschina.net/oscnet/3f47b02dd6d6d0521417b5e055cde6361fd.jpg"null")本文由Redis业界权威专家黄健宏翻译自thenewstack.io/opensourcebuildershowredisupendedthedataba

!(https://oscimg.oschina.net/oscnet/339f946bcdfd47a1ab3177eeeb062545.jpg)!(https://oscimg.oschina.net/oscnet/d71a009f5a8d4df1abef904156d746ba.jpg)!(https://os