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ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'db'
... problem was:
To see which user you are, and whose permissions you have:
select user(), current_user();
To delete the pesky anonymous user:
drop user ''@'localhost';
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Measure execution time for a Java method [duplicate]
...uld be to run JvisualVM .Just run your method or class and start jvisualVM.Select your java process(if run locally it will list the java process).Go to sampler, monitor CPU, take a snapshot after metod finishes. and you can get time taken by each method in call tree. its buddled in jvm/jdk.
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First letter capitalization for EditText
...d a new item, I have a Dialog with an EditText view showing inside. When I select the EditText view, the keyboard comes up to enter text, as it should. In most applications, the default seems to be that the shift key is held for the first letter... although it does not do this for my view. There has...
Ruby on Rails: how do I sort with two columns using ActiveRecord?
...ersonally I find it easier to manage.
SQL gets produced in one step only:
SELECT "models".* FROM "models" ORDER BY "models"."etc" ASC, "models"."bar" DESC, "models"."foo" ASC
Thusly, for the original question:
Model.order(:updated_at).order(:price)
You need not declare data type, ActiveRecord ...
Hibernate show real SQL [duplicate]
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select this_.code from true.employee this_ where this_.code=? is what will be sent to your database.
this_ is an alias for that instance of the employee table.
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How to scroll to specific item using jQuery?
... so:
$('html,body').animate({scrollTop: some_element.offset().top});
We select both html and body because the document scroller could be on either and it is hard to determine which. For modern browsers you can get away with $(document.body).
Or, to go to the top of the page:
$('html,body').anim...
Error CS1705: “which has a higher version than referenced assembly”
... modules to a new version of a cms so I had to go to the problem packages, select them and click install. Could have been because the cms had just changed over to use nuget but you saved me a lot of tedious csproj editing!
– rtpHarry
Apr 21 '16 at 16:06
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How to create a numpy array of all True or all False?
... dtype=int initialized array cannot be used for array element selection.
– Jichao
May 14 '16 at 2:07
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How to display a dynamically allocated array in the Visual Studio debugger?
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For beginners: If you select "a" variable, right click and add to watch list (inspect), if you open de debugger view in the list of watched values (I can't find the name of the window right now), you can double click "a" and rename it "a,X" where ...
How to add anything in through jquery/javascript?
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You can select it and add to it as normal:
$('head').append('<link />');
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