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Python try…except comma vs 'as' in except
...s not required, since you don't have to specify it if you don't need it at all.
– mercator
Apr 13 '15 at 13:20
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Find rows with multiple duplicate fields with Active Record, Rails & Postgres
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User.select(:first,:email).group(:first,:email).having("count(*) > 1").all
(note: not tested, you may need to tweak it)
EDITED to remove id column
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What's the status of multicore programming in Haskell?
...012 period, the following things have happened:
2012:
From 2012, the parallel Haskell status updates began appearing in the Parallel Haskell Digest.
2011:
Parallel and Concurrent Programming in Haskell, a tutorial. version 1.1 released by Simon Marlow
Haskell and parallelism, mentioned in an ...
What is javax.inject.Named annotation supposed to be used for?
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So @Named really is @Qualifier, so why is @Qualifier required to be so generic, is the idea to allow someone using javax.inject to define stereotypes like @Repository,@Service,@Controller that are marked up as @Qualifier?
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How to execute IN() SQL queries with Spring's JDBCTemplate effectivly?
...the NamedParameterJdbcTemplate was exactly what i was looking for. Additionally i like named parameters more than those question marks all over the place. Thanks a lot!
– Malax
Aug 25 '09 at 10:43
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Reusing a PreparedStatement multiple times
...turn off autocommit of the connection and only commit the transaction when all batches are finished. Otherwise it may result in a dirty database when the first bunch of batches succeeded and the later not.
public void executeBatch(List<Entity> entities) throws SQLException {
try (Connect...
Merging 2 branches together in GIT
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@dotty: While git often seems like magic, it can't actually read your mind - if two branches make two different changes to the same content, only a human can figure out how to reconcile them. That's what a merge conflict is.
– Cascabel
Aug 4...
How do I set the request timeout for one controller action in an asp.net mvc application
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You can set this programmatically in the controller:-
HttpContext.Current.Server.ScriptTimeout = 300;
Sets the timeout to 5 minutes instead of the default 110 seconds (what an odd default?)
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JetBrains / IntelliJ keyboard shortcut to collapse all methods
...ut for any JetBrains IDE (since the shortcut would likely be shared across all of them) to collapse all the methods / functions so that only the method signatures are shown?
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Prevent tabstop on A element (anchor link) in HTML
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Some browsers support the tabindex="-1" attribute, but not all of them, since this is not a standard behaviour.
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