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Rails 一些地方（例如.order('xx')中），需要使用arel.sql('xx')语句
refer to: https://stackoverflow.com/questions/49887593/deprecation-warning-dangerous-query-method-method-whose-arguments-are-used-as Dangerous query method (method whose arguments are used as raw ...
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refer to: https://stackoverflow.com/questions/15792999/how-to-set-a-proxy-in-rubys-net-http 在terminal中，直接设置 http_proxy 变量就可以。（export HTTP_PROXY=...） 在rails中也一样。 1. export http_proxy=xx 2. rails s ...
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Rails 一些地方（例如.order('xx')中），需要使用arel.sql('xx')语句
refer to: https://stackoverflow.com/questions/49887593/deprecation-warning-dangerous-query-method-method-whose-arguments-are-used-as Dangerous query method (method whose arguments are used as raw ...
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Rails Mysql Utf8,utf8mb4:mysql2::error:incorrectstringvalueerror
refer to: https://stackoverflow.com/questions/22464011/mysql2error-incorrect-string-value 1. change your  database.yml: development: adapter: mysql2 database: db username: password:...
Rails Rspec Factorygirl:createwithforeignrelation,useblock,notblock_id
例子，如果某个model对应的factory定义为： factory  :tx do   blockend block为一个独立的model,  tx belongs_to block 那么，在创建的该tx的时候，我们应该： create :tx, block: Block.new 不应该这样调用:   create :tx, bl...
Rails Rspec Factorygirl:createwithforeignrelation,useblock,notblock_id
例子，如果某个model对应的factory定义为： factory  :tx do   blockend block为一个独立的model,  tx belongs_to block 那么，在创建的该tx的时候，我们应该： create :tx, block: Block.new 不应该这样调用:   create :tx, bl...
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refer to: https://github.com/vinsol-spree-contrib/spree_themes/issues/26 issue description Mysql2::Error: Data too long for column 'nmap_result' at row 1 (ActiveRecord::ValueTooLong) from /home/s...