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mysql: see all open connections to a given database?
With administrative permissions im mysql, how can I see all the open connections to a specific db in my server?
8 Answers
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Ruby on Rails: how do I sort with two columns using ActiveRecord?
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Assuming you're using MySQL,
Model.all(:order => 'DATE(updated_at), price')
Note the distinction from the other answers. The updated_at column will be a full timestamp, so if you want to sort based on the day it was updated, you need to use a function to ...
What are the effects of exceptions on performance in Java?
Question: Is exception handling in Java actually slow?
18 Answers
18
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Where should @Service annotation be kept? Interface or Implementation?
... write... so which is the right way? Is it not annotating the interface at all and giving the Service annotation to the implementations? Is Spring still capable of autowiring using the interface type? What is your answer to this> stackoverflow.com/questions/12899372/…
– co...
What are best practices for REST nested resources?
...e resource - there are no rules that say you shouldn't do that.
And generally, you may need to access items directly or as a subset of something else - so your structure makes sense to me.
Just because employees are accessible under department:
company/{companyid}/department/{departmentid}/emplo...
What does $.when.apply($, someArray) do?
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.apply is used to call a function with an array of arguments. It takes each element in the array, and uses each as a parameter to the function. .apply can also change the context (this) inside a function.
So, let's take $.when. It's used to...
git discard all changes and pull from upstream
...anch on my repo, which is master, and I completely messed it up, so I basically need to start over from the upstream. I think init will do the job, but is there an easier way?
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How can foreign key constraints be temporarily disabled using T-SQL?
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If you want to disable all constraints in the database just run this code:
-- disable all constraints
EXEC sp_MSforeachtable "ALTER TABLE ? NOCHECK CONSTRAINT all"
To switch them back on, run: (the print is optional of course and it is just list...
copying all contents of folder to another folder using batch file?
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Doesn't /e automatically include /s?
– mghicks
Nov 4 '15 at 15:27
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How do I revert my changes to a git submodule?
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Move into the submodule's directory, then do a git reset --hard to reset all modified files to their last committed state. Be aware that this will discard all non-committed changes.
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