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Memory management in Qt?
...d manually before the parent.)
You could also delete the child first, the order doesn't matter. For an example where the order does matter here's the documentation about object trees.
If your MyClass is not a child of QObject, you’ll have to use the plain C++ way of doing things.
Also, note tha...
Intro to GPU programming [closed]
Everyone has this huge massively parallelized supercomputer on their desktop in the form of a graphics card GPU.
9 Answers
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How to efficiently build a tree from a flat structure?
...ntID property so they can be arranged in trees. They are in no particular order.
Each ParentID property does not necessarily matches with an ID in the structure. Therefore their could be several trees emerging from these objects.
...
How can I extract embedded fonts from a PDF as valid font files?
...o follow a few specific steps which are not necessarily straightforward in order to save the extracted font data as a file which is re-usable.
Using mupdf
Next, MuPDF. This application comes with a utility called pdfextract (on Windows: pdfextract.exe) which can extract fonts and images from PDFs. ...
Starting python debugger automatically on error
...en it will run to the error point and give you control there. As mentioned by eqzx, this flag is a new addition in python 3.2 so entering 'c' is required for earlier Python versions (see https://docs.python.org/3/library/pdb.html).
...
How to convert a scala.List to a java.util.List?
...pe expected is a Java List, as the conversion is implicit, as demonstrated by the last line.
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Copying text with color from Notepad++
...
There's a plugin called NppExport that does just that in a couple of available formats. If you don't have NppExport yet, you can download it through the inbuilt plugin manager.
update As of version 6.1.5 (or maybe earlier) this ships with a s...
Check existence of input argument in a Bash shell script
...ally ignores the arguments it is provided. It is essential in this test in order to keep the interpreter from trying to execute the contents of "$varname" (which you certainly do NOT want to happen). Also worth noting; you can test as many variables with this method as you wish. And all with specifi...
How to delete (not cut) in Vim?
...contents of the (volatile) default register "", which has been overwritten by dd. But you still can paste from the (non volatile) yank register "0, which won't be overwritten by the delete command dd.
So these are the commands you want to use as per your example:
yy
dd
"0p
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Python decorators in classes
...orator in some debugging situations, it allows overriding class properties by decorating, without having to find the calling function.
class myclass(object):
def __init__(self):
self.property = "HELLO"
@adecorator(property="GOODBYE")
def method(self):
print self.propert...