Go每日精选（2019-06-13）

1.深度解密Go语言之context https://gocn.vip/article/1795

2.如何写出优雅的Golang代码 https://draveness.me/golang-101

3.golang配置sql.DB获得更好的性能 https://colobu.com/2019/05/27/configuring-sql-DB-for-better-performance/

4.Go中接口值的复制 https://mp.weixin.qq.com/s?src=11&timestamp=1560419316&ver=1666&signature=Eo*74NZ6-94cUyrn04nTZhhJtC6Ak7IEfkIyFGVHvIfTiPtKimujzxG-L8fgFCmoEPyuvncAoHVhe7KeNXkuVnIAPPzmo1csIZRyRW09AKFyAA1AG51FMRBki-rQCBVD&new=1

5.三年无bug，提升代码质量的秘诀 https://zhuanlan.zhihu.com/p/25391668