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The calling thread cannot access this object because a different thread owns it
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This is a common problem with people getting started. Whenever you update your UI elements from a thread other than the main thread, you need to use:
this.Dispatcher.Invoke(() =>
{
...// your code here.
});
You can also use control.Dispatcher.CheckAccess()...
How can I get a list of all functions stored in the database of a particular schema in PostgreSQL?
I want to be able to connect to a PostgreSQL database and find all of the functions for a particular schema.
9 Answers
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How to loop through all but the last item of a list?
I would like to loop through a list checking each item against the one following it.
6 Answers
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How to sort a dataFrame in python pandas by two or more columns?
... with columns a , b and c , I want to sort the dataframe by column b in ascending order, and by column c in descending order, how do I do this?
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Hidden features of C
I know there is a standard behind all C compiler implementations, so there should be no hidden features. Despite that, I am sure all C developers have hidden/secret tricks they use all the time.
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How to remove/ignore :hover css style on touch devices
...e. Because the :hover CSS does not make sense, and it can even be disturbing if a tablet triggers it on click/tap because then it might stick until the element loses focus. To be honest, I don't know why touch devices feel the need to trigger :hover in first place - but this is reality, so this ...
Understanding “randomness”
... sample simulated through a pseudo-random variable:
BarChart[BinCounts[RandomReal[{0, 1}, 50000], 0.01]]
While this is the distribution you get after multiplying two random variables:
BarChart[BinCounts[Table[RandomReal[{0, 1}, 50000] *
R...
Re-open *scratch* buffer in Emacs?
If I accidentally closed the scratch buffer in Emacs, how do I create a new scratch buffer?
16 Answers
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Determine if the device is a smartphone or tablet? [duplicate]
I would like to get info about a device to see if it's a smartphone or tablet. How can I do it?
9 Answers
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How do I concatenate two text files in PowerShell?
I am trying to replicate the functionality of the cat command in Unix.
11 Answers
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