...d objects to Ruby Hashes despite its name tasks_records = TaskStoreStatus.all tasks_records = tasks_records.as_json # You can now add new records and return the result as json by calling `to_json` tasks_records << TaskStoreStatus.last.as_json tasks_records << { :task_id => 10, :sto...

...on here: stackoverflow.com/questions/1790457/… – jball Mar 25 '10 at 17:55 6 Thanks. I had seen...

... With new_list = my_list, you don't actually have two lists. The assignment just copies the reference to the list, not the actual list, so both new_list and my_list refer to the same list after the assignment. To actually copy the list, you have various possibilit...

...upports a limited subset of ALTER TABLE. The ALTER TABLE command in SQLite allows the user to rename a table or to add a new column to an existing table. It is not possible to rename a column, remove a column, or add or remove constraints from a table. You can: create new table as the one you ar...

...fining the exceptions). Even given that there are exceptions you want to "fall through", you should still be able to define a hierarchy to match your needs. abstract class MyExceptions extends Exception {} abstract class LetterError extends MyExceptions {} class AError extends LetterError {} cla...

I have an application that deals with clients from all over the world, and, naturally, I want everything going into my databases to be UTF-8 encoded. ...

... It's called lazy loading because, like a lazy person, you are putting off doing something you don't want to. The opposite is Eager Loading, where you load something right away, long before you need it. If you are curious why peop...

... @Renato: what are you talking about? This answer isn't dangerous at all. Do you think that math.factorial returns a float, and not an arbitrary-precision integer, maybe? – DSM Mar 25 '13 at 19:03 ...

...ther_long_identifier and here_is_another_long_identifier != and_finally_another_long_name): # ... your code here ... pass share | improve this answer | follo...

... 参考：https://stackoverflow.com/questions/23537187/stackwalker-loads-all-symbol-files-but-still-doesnt-symbolicate-anything