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Is there a reason that we cannot iterate on “reverse Range” in ruby?
I tried to iterate backwards with using a Range and each :
12 Answers
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SQLAlchemy - Getting a list of tables
... To get a list of the names of those tables:
>>> metadata.tables.keys()
['posts', 'comments', 'users']
If you're using the declarative extension, then you probably aren't managing the metadata yourself. Fortunately, the metadata is still present on the baseclass,
>>> Base = s...
Converting string from snake_case to CamelCase in Ruby
I am trying to convert a name from snake case to camel case. Are there any built-in methods?
10 Answers
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Can I have multiple primary keys in a single table?
Can I have multiple primary keys in a single table?
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How to get last N records with activerecord?
...ending order by their id.
Deprecated (Old Answer)
An active record query like this I think would get you what you want ('Something' is the model name):
Something.find(:all, :order => "id desc", :limit => 5).reverse
edit: As noted in the comments, another way:
result = Something.find(:all, :or...
No Activity found to handle Intent : android.intent.action.VIEW
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MaraguesMaragues
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Run JavaScript code on window close or page refresh?
...sed if you need to stop the user from leaving the page (ex. the user is working on some unsaved data, so he/she should save before leaving). onunload isn't supported by Opera, as far as I know, but you could always set both.
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IF statement: how to leave cell blank if condition is false (“” does not work)
I would like to write an IF statement, where the cell is left blank if the condition is FALSE.
Note that, if the following formula is entered in C1 ( for which the condition is false ) for example:
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What is the difference between `git merge` and `git merge --no-ff`?
Using gitk log , I could not spot a difference between the two. How can I observe the difference (with a git command or some tool)?
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How can you do paging with NHibernate?
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Jon LimjapJon Limjap
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