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Java logical operator short-circuiting
...
246
The && and || operators "short-circuit", meaning they don't evaluate the right-hand sid...
Why are Python's 'private' methods not actually private?
...t; class Foo(object):
... def __init__(self):
... self.__baz = 42
... def foo(self):
... print self.__baz
...
>>> class Bar(Foo):
... def __init__(self):
... super(Bar, self).__init__()
... self.__baz = 21
... def bar(self):
... p...
HashMap with multiple values under the same key
...em1;
Person bob2 = bobs.Item2;
This is the best solution in my opinion.
4. Multiple maps
// create our maps
Map<String, Person> firstPersonByForename = new HashMap<>();
Map<String, Person> secondPersonByForename = new HashMap<>();
// populate them
firstPersonByForename.p...
Is it possible to use Visual Studio on macOS?
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edited Dec 12 '16 at 22:24
answered Dec 12 '16 at 22:03
vy...
How to append to a file in Node?
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840
For occasional appends, you can use appendFile, which creates a new file handle each time it's ...
Git rebase: conflicts keep blocking progress
I have a git branch (called v4), that was made from master just yesterday. There were a couple of changes to master, that I want to get into v4. So, in v4, I tried to do a rebase from master, and one file keeps screwing things up: a one-line text file, that contains the version number. This file ...
Python hashable dicts
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answered Jul 20 '09 at 4:30
UnknownUnknown
41.9k2424 gold badges128128 silver badges172172 bronze badges
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Fast check for NaN in NumPy
...f numpy.min:
In [13]: %timeit np.isnan(np.min(x))
1000 loops, best of 3: 244 us per loop
In [14]: %timeit np.isnan(np.sum(x))
10000 loops, best of 3: 97.3 us per loop
Unlike min, sum doesn't require branching, which on modern hardware tends to be pretty expensive. This is probably the reason why...
Pacman: how do the eyes find their way back to the monster hole?
...ain.
– Mark Peters
Jun 30 '10 at 13:44
3
Yeah, or if there's a tool for creating the maps, as par...
How can I force gradle to redownload dependencies?
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edited Feb 16 '18 at 20:43
Eric Wendelin
37.2k88 gold badges5858 silver badges8686 bronze badges
answe...