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Understanding the Rails Authenticity Token
I am running into some issues regarding the Authenticity Token in Rails, as I have many times now.
10 Answers
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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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Count(*) vs Count(1) - SQL Server
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There is no difference.
Reason:
Books on-line says "COUNT ( { [ [ ALL | DISTINCT ] expression ] | * } )"
"1" is a non-null expression: so it's the same as COUNT(*).
The optimizer recognizes it for what it is: trivial.
The same as EXISTS (SELECT * ... or EXI...
How can you do paging with NHibernate?
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Jon LimjapJon Limjap
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How to print the full NumPy array, without truncation?
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community wiki
Raja Selvaraj
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Recursively add files by pattern
...ably your best bet if some of the files to be added may not already be tracked. If you want to limit yourself to files git already knows about, you could combine git-ls-files with a filter:
git ls-files [path] | grep '\.java$' | xargs git add
Git doesn't provide any fancy mechanisms for doing this ...
Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
...st" or "127.0.0.1" ? I noticed that when you connect to "localhost" the socket connector is used, but when you connect to "127.0.0.1" the TCP/IP connector is used. You could try using "127.0.0.1" if the socket connector is not enabled/working.
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