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Are PostgreSQL column names case-sensitive?
I have a db table say, persons in Postgres handed down by another team that has a column name say, "first_Name" . Now am trying to use PG commander to query this table on this column-name.
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MongoDB with redis
Can anyone give example use cases of when you would benefit from using Redis and MongoDB in conjunction with each other?
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Django: Set foreign key using integer?
Is there a way to set foreign key relationship using the integer id of a model? This would be for optimization purposes.
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Android: When is onCreateOptionsMenu called during Activity lifecycle?
I put a couple of breakpoints in onCreate (one at the beginning, and one at the end of the method), and I also put one at the beginning of onCreateOptionsMenu . The onCreate method is called first, and before it finishes onCreateOptionsMenu is called.
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Why does “while(true)” without “Thread.sleep” cause 100% CPU usage on Linux but not on Windows?
I have created a simple program in java:
1 Answer
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How to check if an array field contains a unique value or another array in MongoDB?
I am using mongodb now.
2 Answers
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Difference between Ctrl+Shift+F and Ctrl+I in Eclipse
I have been used Ctrl + Shift + F to correct indentation but I heard there is another shortcut to do that: Ctrl + I
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Understanding Fragment's setRetainInstance(boolean)
Starting with the documentation:
5 Answers
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Adding List.add() another list
I have an IEnumerable<TravelDetails> and I am trying to add the vales in the for -loop to a List<TravelDetails> . I keep getting the errors.
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You have already activated X, but your Gemfile requires Y
When running rake I get this error:
7 Answers
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