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What's the difference between QMainWindow, QWidget and QDialog?
What's the difference between QMainWindow, QWidget and QDialog?
2 Answers
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Replacing NULL with 0 in a SQL server query
I have developed a query, and in the results for the first three columns I get NULL . How can I replace it with 0 ?
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detect key press in python?
I am making a stopwatch type program in python and I would like to know how to detect if a key is pressed (such as p for pause and s for stop), and I would not like it to be something like raw_input that waits for the user's input before continuing execution. Anyone know how to do this in a while lo...
Java lib or app to convert CSV to XML file? [closed]
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Maybe this might help: JSefa
You can read CSV file with this tool and serialize it to XML.
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JQuery to check for duplicate ids in a DOM
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hehe and i switched console.warn to alert(...) so i HAVE to fix them :)
– Simon_Weaver
Feb 4 '09 at 3:57
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When vectors are allocated, do they use memory on the heap or the stack?
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vector<Type*> vect;
will allocate the vector on the stack and a bunch of pointers on the free store, but where these point is determined by how you use them (you could point element 0 to the free store and element 1 to the stack, say).
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Aren't promises just callbacks?
I've been developing JavaScript for a few years and I don't understand the fuss about promises at all.
10 Answers
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Best way to initialize (empty) array in PHP
...o = [] rather than var foo = new Array() for reasons of object creation and instantiation. I wonder whether there are any equivalences in PHP?
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Easiest way to toggle 2 classes in jQuery
If I have class .A and class .B and want to switch in between on button click, what's a nice solution for that in jQuery? I still don't understand how toggleClass() works.
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Passing command line arguments in Visual Studio 2010?
I am working on a C project and can not figure out how to pass command line arguments to my main function in Visual Studio 2010 Express Edition. I want to debug - how do these command line arguments work?
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