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How to create index on JSON field in Postgres?
In PostgreSQL 9.3 Beta 2 (?), how do I create an index on a JSON field? I tried it using the -> operator used for hstore but got the following error:
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How can I get the current language in Django?
How can I get the current language in the current thread in a model or in the admin?
6 Answers
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Can Java 8 code be compiled to run on Java 7 JVM?
Java 8 introduces important new language features such as lambda expressions.
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Differences between utf8 and latin1
what is the difference between utf8 and latin1?
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TFS: Updating branch with changes from main
So, we have our main dev line, I create a branch, and developer b creates a branch. We both do some work. developer b finishes his work, merges back into the main dev line. I know his changes will affect me, and rather than deal with the conflicts later, I would like to update my branch, with the...
Lock Android phone application to Portrait mode
Can someone tell me how to lock my application to a portrait mode? Is it a simple configuration in the manifest file?
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Find difference between timestamps in seconds in PostgreSQL
I have a table in PostgreSQL 8.3 with 2 timestamp columns. I would like to get the difference between these timestamps in seconds. Could you please help me how to get this done?
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How to hash a string into 8 digits?
Is there anyway that I can hash a random string into a 8 digit number without implementing any algorithms myself?
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Why is document.body null in my javascript?
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