Error while using `find_or_create_by` on a `has_many` `through` association

I am running in to a problem while using find_or_create_by on a has_manythrough association. class Permission < ActiveRecord::Base

Make a one line data to a table in SQL

There is a record like SWD Lead QA Lead PD Lead Business Manager AAAABBBBCCCCDDDD I want to use T-SQL to ge开发者_StackOverflow中文版t a result like below with the column name

蓝光镜片多少钱啊？？

水杉小店 开发者_StackOverflow社区2022-05-26 23:12 截止时间2020年6月，一副防蓝光眼镜大概10－100多元不等。

How to discard (reset) process.standardoutput in .NET?

Any ideas on how to discard or reset the contents in a Process.StandardOutput, so we can discard the 开发者_JS百科message of the day and any other initial content of a process?You could to try somethi

张敬轩壮举歌词？