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Hand Coded GUI Versus Qt Designer GUI [closed]
...sure to use QButtonDialogBox
to make sure your buttons have the proper platform-layout.
You could probably do something more limited like xPad with limited Designer functionality.
I wouldn't think you could write something like OpenOffice solely with Designer but maybe that's not the point.
I'd us...
What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
...f the database is good at optimising the query, the two first will be transformed to something close to the third.
For simple situations like the ones in you question, there should be little or no difference, as they all will be executed as joins. In more complex queries, the database might not be ...
Catch a thread's exception in the caller thread in Python
...s in its own stack. One way I can think of right now to communicate this information to the parent thread is by using some sort of message passing, so you might look into that.
Try this on for size:
import sys
import threading
import Queue
class ExcThread(threading.Thread):
def __init__(sel...
Populating a ListView using an ArrayList?
...xchange.using('gps', function() { StackExchange.gps.track('embedded_signup_form.view', { location: 'question_page' }); });
$window.unbind('scroll', onScroll);
}
};
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Rails: FATAL - Peer authentication failed for user (PG::Error)
...res user
vim /etc/postgresql/9.1/main/pg_hba.conf
9.1 is version return form upper command
and replace
local all postgres peer
to
local all postgres md5
Restart the service
sudo service postgresql re...
LINQ to Entities only supports casting EDM primitive or enumeration types with IEntity interface
...
Perfect, it's great being able to perform Interface-based queries and still maintain the collection as IQueryable. A bit annoying however that there is basically no way of thinking up this fix, without knowing the inner workings of EF.
– An...
How to wrap async function calls into a sync function in Node.js or Javascript?
...
});
}
I like arrow function definitions more. But any string of the form "() => {...}" could also be written as "function () {...}"
So topDog is not async despite calling an async function.
EDIT: I realize a lot of the times you need to wrap an async function inside a sync function is ...
Send string to stdin
...sad thing is I learned yesterday if you use a bash alias, you just use the form command_alias <<< "stdin string", otherwise it will say command not found
– Pyrolistical
Feb 12 '14 at 17:26
...
How do I use the new computeIfAbsent function?
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$window.unbind('scroll', onScroll);
}
};
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Detect 7 inch and 10 inch tablet programmatically
...
You can use the DisplayMetrics to get a whole bunch of information about the screen that your app is running on.
First, we create a DisplayMetrics metrics object:
DisplayMetrics metrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(metrics);
From thi...