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How to skip over an element in .map()?
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16 Answers
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Convert a list to a data frame
I have a nested list of data. Its length is 132 and each item is a list of length 20. Is there a quick way to convert this structure into a data frame that has 132 rows and 20 columns of data?
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Make an existing Git branch track a remote branch?
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Given a branch foo and a remote upstream:
As of Git 1.8.0:
git branch -u upstream/foo
Or, if local branch foo is not the current branch:
git branch -u upstream/foo foo
Or, if you like to type longer commands, these are equivalent to the above two:
git branch --set-upstream-t...
How do I check in JavaScript if a value exists at a certain array index?
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Why does += behave unexpectedly on lists?
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The general answer is that += tries to call the __iadd__ special method, and if that isn't ava...
Preserve HTML font-size when iPhone orientation changes from portrait to landscape
...ebkit-text-size-adjust CSS property:
html {
-webkit-text-size-adjust: 100%; /* Prevent font scaling in landscape while allowing user zoom */
}
The use of this property is described further in the Safari Web Content Guide.
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Error in plot.new() : figure margins too large in R
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Android emulator and virtualbox cannot run at same time
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Use of *args and **kwargs [duplicate]
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11 Answers
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A generic list of anonymous class
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You could do:
var list = new[] { o, o1 }.ToList();
There are lots of ways of skinning this cat, but basically they'll all use type inference somewhere - which means you've got to be calling a generic method (possibly as an extension method). Another example mi...