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Converting 'ArrayList to 'String[]' in Java
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Floern
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answered Oct 28 '10 at 11:34
BozhoBozho
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Print a list of all installed node.js modules
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edited Nov 20 '15 at 20:31
answered Dec 21 '12 at 0:05
An...
How to declare std::unique_ptr and what is the use of it?
...accepts a T*).
In the first example:
unique_ptr<int> uptr (new int(3));
The pointer is the result of a new expression, while in the second example:
unique_ptr<double> uptr2 (pd);
The pointer is stored in the pd variable.
Conceptually, nothing changes (you are constructing a uniqu...
Which C++ idioms are deprecated in C++11?
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173
Final Class: C++11 provides the final specifier to prevent class derivation
C++11 lambdas subst...
Formatting numbers (decimal places, thousands separators, etc) with CSS
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answered Oct 9 '18 at 21:32
CascadiaJSCascadiaJS
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Open file in a relative location in Python
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193
With this type of thing you need to be careful what your actual working directory is. For examp...
List attributes of an object
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321
>>> class new_class():
... def __init__(self, number):
... self.multi = int(num...
How to perform OR condition in django queryset?
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573
from django.db.models import Q
User.objects.filter(Q(income__gte=5000) | Q(income__isnull=True))...
How to check if the string is empty?
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2230
Empty strings are "falsy" which means they are considered false in a Boolean context, so you ca...
How to sort a list of objects based on an attribute of the objects?
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1385
# To sort the list in place...
ut.sort(key=lambda x: x.count, reverse=True)
# To return a new...