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Using property() on classmethods
...lass with two class methods (using the classmethod() function) for getting and setting what is essentially a static variable. I tried to use the property() function with these, but it results in an error. I was able to reproduce the error with the following in the interpreter:
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Android ACTION_IMAGE_CAPTURE Intent
...a new picture. It works just fine if we leave out the EXTRA_OUTPUT extra and returns the small Bitmap image. However, if we putExtra(EXTRA_OUTPUT,...) on the intent before starting it, everything works until you try to hit the "Ok" button in the camera app. The "Ok" button just does nothing. The...
Using HTML5/Canvas/JavaScript to take in-browser screenshots
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JavaScript can read the DOM and render a fairly accurate representation of that using canvas. I have been working on a script which converts HTML into a canvas image. Decided today to make an implementation of it into sending feedbacks like you describe...
Implementing IDisposable correctly
...nalizer when doing garbage collection (in case Dispose was not called yet) and properly free unmanaged resources.
– mariozski
May 17 '16 at 22:38
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Rebase array keys after unsetting elements
...earranged array. You can see in you example you are deleting the value '3' and leaving the value '2' when you should be deleting only values '1' and '2'
– NotGaeL
Aug 23 '13 at 18:14
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NHibernate.MappingException: No persister for: XYZ
Now, before you say it: I did Google and my hbm.xml file is an Embedded Resource.
16 Answers
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“git diff” does nothing
...figuration error somewhere, but I can't figure out where. Regular git commands appear to work fine, but "git diff" does nothing. To be safe, I removed external diff tools from my .gitconfig file. This was installed via MacPorts and is the lates version (1.7.2.2).
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Why does Java's hashCode() in String use 31 as a multiplier?
...to Joshua Bloch's Effective Java (a book that can't be recommended enough, and which I bought thanks to continual mentions on stackoverflow):
The value 31 was chosen because it is an odd prime. If it were even and the multiplication overflowed, information would be lost, as multiplication by 2 i...
Run PostgreSQL queries from the command line
I inserted a data into a table....I wanna see now whole table with rows and columns and data. How I can display it through command?
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Can you list the keyword arguments a function receives?
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A little nicer than inspecting the code object directly and working out the variables is to use the inspect module.
>>> import inspect
>>> def func(a,b,c=42, *args, **kwargs): pass
>>> inspect.getargspec(func)
(['a', 'b', 'c'], 'args', 'kwargs', (42,))
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