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Postgresql GROUP_CONCAT equivalent?
I have a table and I'd like to pull one row per id with field values concatenated.
7 Answers
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Video auto play is not working in Safari and Chrome desktop browser
I spent quite a lot of time trying to figure out why video embedded like here:
21 Answers
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How to increment a datetime by one day?
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edited Jul 22 '13 at 22:27
answered Jul 13 '10 at 19:01
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SQL Group By with an Order By
...heCount, `Tag` from `images-tags`
GROUP BY `Tag`
ORDER BY theCount DESC
LIMIT 20
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Python division
...o 0 to a range of 10-100 and was having problems only to notice that even with no variables at all, this does not evaluate the way I would expect it to:
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Getting exact error type in from DbValidationException
I have the situation where I'm initializing my model in DatabaseInitializer() for EF 4.1 and get this annoying error "Validation failed for one or more entities. See 'EntityValidationErrors' property for more details." So, I go to this EntityValidationErrors and there is a field {System.Data.Enti...
Undo git mv (rename)
What is the right way to undo a rename in git, like:
9 Answers
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How Do I 'git fetch' and 'git merge' from a Remote Tracking Branch (like 'git pull')
I have set up some remote tracking branches in git, but I never seem to be able to merge them into the local branch once I have updated them with 'git fetch'.
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Difference between namespace in C# and package in Java
...conflicts. Package constructs can be mapped to a file system.
system.security.cryptography.AsymmetricAlgorithm aa;
may be replaced:
import system.security.Crypography;
class xxx { ...
AsymmetricAlgorithm aa;
There is no alias for packages. You have to use import statement or fully-qualified n...
What's the difference between JPA and Spring Data JPA?
I am a bit confused about the difference between Spring Data-JPA and JPA. I know about JPA that it is a specification for persisting the Java Objects to a relational database using popular ORM technology.
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