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SQL join on multiple columns in same tables
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Join like this:
ON a.userid = b.sourceid AND a.listid = b.destinationid;
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What's the difference between '$(this)' and 'this'?
...going to be in the first element.
$("#myDiv")[0] === document.getElementById("myDiv");
And so on...
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How can I click a button behind a transparent UIView?
... the subview takes up the center of the screen with 100 px margins on all sides. We then add a bunch of little stuff to click on inside that subview. We are only using the subview to take advantage of the new frame ( x=0, y=0 inside the subview is actually 100,100 in the parent view).
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Hidden features of WPF and XAML?
... Unfortunately, x:TypeArguments is only available in loose xaml files and not compiled ones :(
– kevindaub
May 20 '11 at 1:27
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In Android EditText, how to force writing uppercase?
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You can add the android:textAllCaps="true" property to your xml file in the EditText. This will enforce the softinput keyboard to appear in all caps mode. The value you enter will appear in Uppercase. However, this won't ensure that the user can only enter in UpperCase letters. If they wa...
psql: FATAL: role “postgres” does not exist
...tgres.
You can make your local install look a bit more traditional and avoid these problems by doing a one time:
/Applications/Postgres.app/Contents/Versions/9.*/bin/createuser -s postgres
which will make those FATAL: role "postgres" does not exist go away.
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How to make script execution wait until jquery is loaded
...fore your own script
If your code is in the page and not in a separate js file so you have to execute your script only after the document is ready and encapsulating your code like this should work too:
$(function(){
//here goes your code
});
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cocktail party algorithm SVD implementation … in one line of code?
...Using your code it is good to extract two sound sources from the two mixed files downloaded from the site. However, when I try to mix two separate signals together myself, it seems the algorithm cannot output the correct result. I am using the naive way to get the mixed signals: mic1 = 0.3 * track1 ...
Objective-C: Calling selectors with multiple arguments
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Your method signature is:
- (void) myTest:(NSString *)
withAString happens to be the parameter (the name is misleading, it looks like it is part of the selector's signature).
If you call the function in this manner:
[self performSelector:@selector(myTe...
How to escape hash character in URL
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@zw963 did you find a solution
– Dave
Aug 29 '17 at 14:24
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