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Rails: around_* callbacks
I have read the documentation at http://api.rubyonrails.org/classes/ActiveRecord/Callbacks.html , but don't understand when the around_* callbacks are triggered in relation to before_* and after_* .
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What command opens Ruby's REPL?
What command opens Ruby's REPL?
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Append TimeStamp to a File Name
I have come across this problem several times in which I would like to have multiple versions of the same file in the same directory. The way I have been doing it using C# is by adding a time stamp to the file name with something like this DateTime.Now.ToString().Replace('/', '-').Replace(':', '.')...
What's the difference between MemoryCache.Add and MemoryCache.Set?
I read the MSDN documentation but didn't really understand it.
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How set the default repository
How can I set default remote repository for mercurial local repository?
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Clojure 1.2.1/1.3/1.4 'proxy generated in Grails 2.0.0 runtime fails. 1.2.0 is fine
I'm working on extending the Grails Clojure plugin in Grails 2.0.0 (and 2.1.0-SNAPSHOT) and I wanted to update it to Clojure 1.3.0 and add clojure.tools.logging .
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How to tell where a header file is included from?
How can I tell where g++ was able to find an include file? Basically if I
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Oracle SQL Developer multiple table views
In Oracle SQL Developer , one can list the data in a table using the Data tab when viewing a table. there where can add, delete, edit or just viewing records of table currently viewd
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SQL: How to get the count of each distinct value in a column?
I have a SQL table called "posts" that looks like this:
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