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Memory management in Qt?
I'm quite new to Qt and am wondering on some basic stuff with memory management and the life of objects. When do I need to delete and/or destroy my objects? Is any of this handled automatically?
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Difference between string and char[] types in C++
I know a little C and now I'm taking a look at C++.
I'm used to char arrays for dealing with C strings, but while I look at C++ code I see there are examples using both string type and char arrays:
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How to remove an HTML element using Javascript?
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What's happening is that the form is getting submitted, and so the page is being refreshed (with its original content). You're handling the click event on a submit button.
If you want to remove the element and not submit the form, handle the submit event on the form instead, and ...
Join a list of strings in python and wrap each string in quotation marks
...it is not better, it is very slightly faster. My solution is more pythonic and readable
– jamylak
Oct 15 '16 at 1:14
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In Sublime Text 2, how do I open new files in a new tab?
When I'm editing with files on the server, and I click to edit them, if I'm editing multiple files (say an HTML file and a CSS file) but they open in new windows, which, on my small laptop display is a little inconvenient.
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What's the difference between Perl's backticks, system, and exec?
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exec
executes a command and never returns.
It's like a return statement in a function.
If the command is not found exec returns false.
It never returns true, because if the command is found it never returns at all.
There is also no point ...
What is the difference between named and positional parameters in Dart?
Dart supports both named optional parameters and positional optional parameters. What are the differences between the two?
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Python “raise from” usage
What's the difference between raise and raise from in Python?
1 Answer
1
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Define a lambda expression that raises an Exception
...ption without defining a named function. All you need is a strong stomach (and 2.x for the given code):
type(lambda:0)(type((lambda:0).func_code)(
1,1,1,67,'|\0\0\202\1\0',(),(),('x',),'','',1,''),{}
)(Exception())
And a python3 strong stomach solution:
type(lambda: 0)(type((lambda: 0).__code_...
Check whether an array is a subset of another
...ec 2 '08 at 4:12
Cameron MacFarlandCameron MacFarland
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