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jQuery how to find an element based on a data-attribute value?
... 16 '10 at 6:30
Frédéric HamidiFrédéric Hamidi
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How to synchronize a static variable among threads running different instances of a class in Java?
...ur day. Also, class initialization runs with a lock on the class held, so if you've got crazy class initializers you can give yourself headaches. volatile doesn't help for count++ because it's a read / modify / write sequence. As noted in a different answer, java.util.concurrent.atomic.AtomicInte...
“find: paths must precede expression:” How do I specify a recursive search that also finds files in
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By way of example, you can see what's happening if you do echo *test.c ... the result won't be echo expanding the wildcard, but the shell itself. The simple lesson is if you're using wildcards, quote the filespec :-)
– Chris J
Jun 27 ...
Django filter queryset __in for *every* item in list
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This annotation solution seems wrong. What if there are three tags possible (lets call the additional one for t3, and a photo has the tags t2 and t3. Then this photo will still match the given query.
– beruic
Apr 30 '18 at 11:53
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WCF service startup error “This collection already contains an address with scheme http”
...Environment>
</system.serviceModel>
Then, you won't have to specify each address.
http://msdn.microsoft.com/en-us/library/system.servicemodel.servicehostingenvironment.multiplesitebindingsenabled.aspx
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Get Selected index of UITableView
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If you allow multiple selections, consider using: - (NSArray *)indexPathsForSelectedRows
– yura
Feb 19 '15 at 19:12
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Get the current user, within an ApiController action, without passing the userID as a parameter
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@ShaunLuttin Ok, so if you are using Web API 1 then you I believe there is a Prinicpal property on ApiController. This is just a fancy wrapper around accessing the Request.Properties collection. The principal object is stored in that dictionar...
Is an index needed for a primary key in SQLite?
...base to optimize
queries. As a result, there often no advantage (but significant
overhead) in creating an index on a set of columns that are already
collectively subject to a UNIQUE or PRIMARY KEY constraint.
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Postgres - FATAL: database files are incompatible with server
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If you recently upgraded to 11 or 12 from 10.x you can run the below command to upgrade your postgres data directory retaining all data:
brew postgresql-upgrade-database
The above command is taken from the output of brew i...
How to do an INNER JOIN on multiple columns
...e airport code, but the flights table only contains the airport codes so if I want to search by city I have to join on the airports table.
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