How to solve the 'ERB unknown command psetex' problem
After we upgraded sidekiq to the lastest version(v2.17.6) , we receive some error message.
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How to start postgresql with rails
Step 1: Install postgresql server with homebrew [Read More] -
松本行弘的编程世界（中文版）读书勘误
1.图书49页，图2-39 SimpleDelegator 的代码中第4行中的Preserved=...应该修改为perserved=...因为在代码的调用中使用的是: [Read More] -
Linux 下磁盘性能简单检测
1.使用dd命令简单测试磁盘I/O [Read More] -
Linux 下查看 CPU 详情的方法
1.通过查看/proc/cupinfo文件信息 cat /proc/cpuinfo [Read More]