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if/else in a list comprehension
...x in row]
In general,
[f(x) if condition else g(x) for x in sequence]
And, for list comprehensions with if conditions only,
[f(x) for x in sequence if condition]
Note that this actually uses a different language construct, a conditional expression, which itself is not part of the comprehensi...
Quit and restart a clean R session from within R?
Is there a way I can make an alias, within R, that will execute q() and then restart a clean R session?
12 Answers
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Use git “log” command in another folder
...e folder B. Folder B is another git project (so log is different between A and B).
2 Answers
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How to get MVC action to return 404
...being returned (maybe because it has been deleted), I want to return a 404 and display an error page.
12 Answers
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How to remove leading zeros using C#
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@avrahamcool which can be handled by looking at the length of the string and simply returning "0" if it's empty after the trim. Or using PadLeft(1, '0').
– Cœur
Aug 29 '19 at 3:01
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Why does !{}[true] evaluate to true in JavaScript?
{}[true] is [true] and ![true] should be false .
10 Answers
10
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Is element block level or inline level?
...lements. This means that they flow inline like text, but also have a width and height like block elements.
In CSS, you can set an element to display: inline-block to make it replicate the behaviour of images*.
Images and objects are also known as "replaced" elements, since they do not have content...
python: how to send mail with TO, CC and BCC?
...esting purposes to populate few hundred email boxes with various messages, and was going to use smtplib for that. But among other things I need to be able to send messages not only TO specific mailboxes, but CC and BCC them as well. It does not look like smtplib supports CC-ing and BCC-ing while...
How to zero pad a sequence of integers in bash so that all have the same width?
...speaking, seq supports a subset of the format chars. that printf supports (and that subsets includes g, but not d). The behavior of characters d and g differs subtly in that d interprets 0-prefixed numbers strings as octal numbers and converts them to decimal, whereas g treats them as decimals. (@Ed...
Android Studio rendering problems
I'm using Android Studio 0.2.3 and when opened an activity layout normally, the preview should appear on the right side, so that I can switch between Text and Design mode, which should again show the preview of the layout.
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