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Is it Pythonic to use list comprehensions for just side effects?
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It is very anti-Pythonic to do so, and any seasoned Pythonista will give you hell over it. The intermediate list is thrown away after it is created, and it could potentially be very, very large, and therefore expensive to create.
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What's the best way to iterate over two or more containers simultaneously
...ften in your data, consider using another pattern which zips two sequences and produces a range of tuples, corresponding to the paired elements:
for (auto& [a, b] : zip(containerA, containerB)) {
a = b;
}
The implementation of zip is left as an exercise for the reader, but it follows easi...
How to get an enum which is created in attrs.xml in code
... answered Sep 24 '13 at 20:58
Andy MellAndy Mell
1,01111 gold badge66 silver badges33 bronze badges
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Why are unsigned int's not CLS compliant?
...if they choose to do so.
Update: I did wonder about this some years back, and whilst I can't see why a UInt wouldn't be type safety verifiable, I guess the CLS guys had to have a cut off point somewhere as to what would be the baseline minimum number of value types supported. Also when you think ab...
How to make layout with rounded corners..?
...n drawables:
<?xml version="1.0" encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<solid android:color="#FFFFFF"/>
<stroke android:width="3dp" android:color="#B1BCBE" />
<corners android:radius="10dp"/>
<padding a...
Best way to parse command-line parameters? [closed]
What's the best way to parse command-line parameters in Scala?
I personally prefer something lightweight that does not require external jar.
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What does the (unary) * operator do in this Ruby code?
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The * is the splat operator.
It expands an Array into a list of arguments, in this case a list of arguments to the Hash.[] method. (To be more precise, it expands any object that responds to to_ary/to_a, or to_a in Ruby 1.9.)
To illustrate, the following two ...
How can I force users to access my page over HTTPS instead of HTTP?
...ianFaurtosh some are extracted from client headers, like HTTP_X_FORWARDED, and can be manipulated, but others like HTTPS or SERVER_PORT are set directly from the web server and should usually be safe.
– Mahn
Jun 23 '16 at 3:36
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How do I create an average from a Ruby array?
...ore, it's not as magical as it might appear. It iterates over each element and then applies an accumulator value to it. The accumulator is then handed to the next element. In this case, our accumulator is simply an integer that reflects the sum of all the previous elements.
Edit: Commenter Dave Ray...
How to parse a query string into a NameValueCollection in .NET
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qscoll["p1"] , qscoll["p2"] and qscoll["p3"]
– SMUsamaShah
Sep 1 '11 at 20:28
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