A good way to manage aliases in Unix-like using BASH
To introduce how it works, a example [bundle exec rake ] alias will be given.
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如何使用 git 管理项目代码发布版本
这里我们主要使用git的tag命令；tag命令的详情查看可以使用 git tag —help. [Read More] -
How to start active_admin with existing model
There is a User model, and we want all admins are from users. So the big problem is How to config active_admin to support User model. [Read More] -
Ordering null values last in thinking-sphinx
Sometimes , you want to order the records by some columns that should not be nil. that is if the ordered columns values is nil the record should list the last . [Read More] -
How to solve "Out Of Sort Memrory" problem of mysql
This Morning, i meet a mysql error when did sphinx index rebuild, it is sql_fetch_row: Out of sort memory, consider increasing server sort buffer size . [Read More]