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Are members of a C++ struct initialized to 0 by default?
...(0),y(0) { }
// other ctors / functions...
};
Will initialize both x and y to 0. Note that you can use x(), y() to initialize them disregarding of their type: That's then value initialization, and usually yields a proper initial value (0 for int, 0.0 for double, calling the default constructor...
Missing Maven dependencies in Eclipse project
... FYI, I first had to right click on my project, go to Configure and "Convert to Maven project."
– duma
Jul 24 '14 at 16:10
...
Bash continuation lines
...r '\n' ' '
Or if it is a variable definition newlines gets automatically converted to spaces. So, strip of extra spaces only if applicable.
x="continuation
of multiple
lines"
y="red|blue|
green|yellow"
echo $x # This will do as the converted space actually is meaningful
echo $y | tr -d ' ' # Str...
How to get duration, as int milli's and float seconds from ?
I'm trying to use chrono library for timers and durations.
4 Answers
4
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How to delete items from a dictionary while iterating over it?
...t.keys() returns an iterator not a list.
As pointed out in comments simply convert mydict.keys() to a list by list(mydict.keys()) and it should work.
A simple test in the console shows you cannot modify a dictionary while iterating over it:
>>> mydict = {'one': 1, 'two': 2, 'three': 3...
How to copy text programmatically in my Android app?
I'm building an Android app and I want to copy the text value of an EditText widget. It's possible for the user to press Menu+A then Menu+C to copy the value, but how would I do this programmatically?
...
Sorting an ArrayList of objects using a custom sorting order
...urn name.compareTo(other.name);
}
// Add/generate getters/setters and other boilerplate.
}
so that you can just do
List<Contact> contacts = new ArrayList<Contact>();
// Fill it.
Collections.sort(contacts);
If you want to define an external controllable ordering (which ov...
What is __stdcall?
I'm learning about Win32 programming, and the WinMain prototype looks like:
8 Answers
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Nested fragments disappear during transition animation
... A , which in turn uses getChildFragmentManager() to add fragments A1 and A2 in its onCreate like so:
16 Answers
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How does a Java HashMap handle different objects with the same hash code?
As per my understanding I think:
14 Answers
14
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