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Expansion of variables inside single quotes in a command in Bash
I want to run a command from a bash script which has single quotes and some other commands inside the single quotes and a variable.
...
How to bind to a PasswordBox in MVVM
...e security attack vector.
The PasswordBox uses encrypted memory (of sorts) and the only way to access the password is through the CLR property.
I would suggest that when accessing the PasswordBox.Password CLR property you'd refrain from placing it in any variable or as a value for any property.
Ke...
How does an underscore in front of a variable in a cocoa objective-c class work?
...
@LearnCocos2D Hi! A newbie to iOS here and there's something I need to clarify. For all this time what I did was declare the property in the .h file and in the .m fie I access it using self like so, self.someProperty. Is this the right way? Or should I be using th...
Finding row index containing maximum value using R
...
@bartektartanus And how do you suppose which.max figures out the max? :p
– Nick Ulle
Nov 29 '14 at 23:30
10
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Why is iterating through a large Django QuerySet consuming massive amounts of memory?
...QuerySet in the following ways:
Iteration. A QuerySet is iterable, and it executes its database query the first time you iterate over it. For example, this will print the headline of all entries in the database:
for e in Entry.objects.all():
print e.headline
So your ten million ro...
How to append a char to a std::string?
... It is more natural IMO for strings. push_back is container function, and a string is a specialized one in STL :)
– AraK
Sep 24 '09 at 14:38
6
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Android mock location on device?
...ou have to enable mock locations in the development panel in your settings and add
<uses-permission android:name="android.permission.ACCESS_MOCK_LOCATION" />
to your manifest.
Now you can go in your code and create your own mock location provider and set the location of this provider...
How do I update my bare repo?
... doesn't show these updates in the bare repo. (Neither does git log --all, and neither does a working repo that created by cloning the bare repo - either via git log --all or by simply looking at new files that should show up there). It's a pretty quick test to see for yourself. Mostly I'm just curi...
What does Class mean in Java?
...tricting your parameter to have a specific type.
Reference about Generics and Wildcards: http://docs.oracle.com/javase/tutorial/java/generics/wildcards.html
Reference about Class object and reflection (the feature of Java language used to introspect itself): https://www.oracle.com/technetwork/arti...
Returning the product of a list
...sing lambda:
from operator import mul
reduce(mul, list, 1)
it is better and faster. With python 2.7.5
from operator import mul
import numpy as np
import numexpr as ne
# from functools import reduce # python3 compatibility
a = range(1, 101)
%timeit reduce(lambda x, y: x * y, a) # (1)
%timeit r...