Rails new app. Th开发者_如何学Goe current database.yml is like that: # SQLite version 3.x #gem install sqlite3
Site A will be gene开发者_如何学编程rating a set of records.Nightly they will backup their database and ftp it to Site B.Site B will not be modifying those records at all, but will be adding more reco
I want to remove . from all decimal value from my query output like if i use select(32.00) output should come 3200
With Ruby, the migration only use a rake command, but in 开发者_如何学PythonNodeJS, i\'m not sure how i can do that. Any idea?This might help: https://github.com/visionmedia/node-migrateYou could copy
I am trying to push my database to heroku, and get this error: Taps Server Error: PGError: ERROR:invalid byte sequence for encoding \"UTF8\": 0x89
In my rails app I have a seeds.rb script which inserts lots of rec开发者_运维问答ords. In fact I\'m trying to load 16 million of them. It\'s taking a long time.
I\'m trying to alter a column name. First attempt was with this script: meta = MetaData() users = Table(\'users\', meta,
I have this query, that\'s been giving me some issues, it looks like this: UPDATE servicecontracts SET planned_duration = (to_char(due_date) - to_char(start_date) + 1)
i am using ruby 1.9.2 and rails 3.1.0 please help, cause i very need it to work for studying. It\'s my university project(
Question: How can I declare a variable of the same type a parameter in a stored function? The simple answer is use %TYPE, this works:
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