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How to filter a dictionary according to an arbitrary condition function?
...u can use a dict comprehension:
{k: v for k, v in points.iteritems() if v[0] < 5 and v[1] < 5}
And in Python 3:
{k: v for k, v in points.items() if v[0] < 5 and v[1] < 5}
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im...
Reset other branch to current without a checkout
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edited Oct 19 '09 at 21:42
answered Oct 19 '09 at 21:25
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Explicitly calling a default method in Java
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edited Feb 10 '18 at 23:20
jihor
1,9381010 silver badges2222 bronze badges
answered Nov 14...
Is it possible to use Razor View Engine outside asp.net
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80
There are two issues here:
Yes, you can run the Razor View Engine outside of the context of an...
What are “decorators” and how are they used?
...m
– Arthur Kovacs
Jan 29 '14 at 14:30
5
Do decorators actually ducktype all instances of a servic...
How do I remove lines between ListViews on Android?
... solution:
getListView().setDivider(null);
getListView().setDividerHeight(0);
developer.android.com # ListView
Or, if you want to do it in XML:
android:divider="@null"
android:dividerHeight="0dp"
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How can I git stash a specific file?
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piet.t
10.7k77 gold badges3939 silver badges4949 bronze badges
answered Mar 31 '11 at 21:19
svicksvick
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What is the best way to use a HashMap in C++?
...gt;first << " Value: " << i->second << '\n';
return 0;
}
Output:
23
Key: hello Value: 23
If you need ordering in your container and are fine with the O(log n) runtime then just use std::map.
Otherwise, if you really need a hash-table (O(1) insert/access), check out std:...
How expensive is RTTI?
...e in runtime memory usage.
A quick experiment (using GCC 4.4.3 on Ubuntu 10.04 64-bit) shows that -fno-rtti actually increases the binary size of a simple test program by a few hundred bytes. This happens consistently across combinations of -g and -O3. I'm not sure why the size would increase; one ...
How do I make a semi transparent background?
I need to make a white background 50% transparent without affecting anything else. How do I do it?
8 Answers
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