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validation custom message for rails 3
Rails has introduced new way to validate attributes inside model.
When I use
4 Answers
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C++ semantics of `static const` vs `const`
In C++ specifically, what are the semantic differences between for example:
2 Answers
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What is the use of GO in SQL Server Management Studio & Transact SQL?
SQL Server Management Studio always inserts a GO command when I create a query using the right click "Script As" menu. Why? What does GO actually do?
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Checking if a double (or float) is NaN in C++
Is there an isnan() function?
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Reading from text file until EOF repeats last line [duplicate]
The following C++ code uses a ifstream object to read integers from a text file (which has one number per line) until it hits EOF . Why does it read the integer on the last line twice? How to fix this?
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Difference between java.io.PrintWriter and java.io.BufferedWriter?
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ALTER TABLE to add a composite primary key
I have a table called provider . I have three columns called person , place , thing . There can be duplicate persons, duplicate places, and duplicate things, but there can never be a dupicate person-place-thing combination.
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Change Image of ImageView programmatically in Android
When I change the image programmatically, it shows new image on top of the old image which is set originally in layout file?
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Change Screen Orientation programmatically using a Button
I think this is implementable since screen rotation behaviour can go up to the application level.
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Resize image proportionally with CSS? [duplicate]
Is there a way to resize (scale down) images proportionally using ONLY CSS?
18 Answers
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