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How can I respond to the width of an auto-sized DOM element in React?

I have a complex web page using React components, and am trying to convert the page from a static layout to a more responsive, resizable layout. However, I keep running into limitations with React, and am wondering if there's a standard pattern for handling these issues. In my specific case, I have ...
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How to get last items of a list in Python?

I need the last 9 numbers of a list and I'm sure there is a way to do it with slicing, but I can't seem to get it. I can get the first 9 like this: ...
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How to calculate the running time of my program? [duplicate]

I wrote a program and now I want to calculate the total running time of my program from start to end. 6 Answers ...
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Is there a 'foreach' function in Python 3?

... It's not map(), because map() accumulates and returns a list, while foreach() doesn't. The difference could be quite expensive if you're iterating over a long list of items. Agreed that for() does the trick. – Canuck Apr 8 '15 ...
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How to include (source) R script in other scripts

... answered Jun 23 '11 at 15:30 AndrieAndrie 157k3636 gold badges403403 silver badges464464 bronze badges ...
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What is the difference between Python and IPython?

What exactly is the difference between Python and IPython ? 7 Answers 7 ...
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Git add and commit in one command

... git config --global alias.add-commit '!git add -A && git commit' and use it with git add-commit -m 'My commit message' EDIT: Reverted back to ticks ('), as otherwise it will fail for shell expansion on Linux. On Windows, one should use double-quotes (") instead (pointed out in the commen...
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Cleaning up old remote git branches

I work from two different computers (A and B) and store a common git remote in the dropbox directory. 9 Answers ...
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How do I deep copy a DateTime object?

Now $date1 and $date2 contain the same date -- three years from now. I'd like to create two separate datetimes, one which is parsed from a string and one with three years added to it. Currently I've hacked it up like this: ...
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Matching a space in regex

... space). If you're looking for one or more, it's " *" (that's two spaces and an asterisk) or " +" (one space and a plus). If you're looking for common spacing, use "[ X]" or "[ X][ X]*" or "[ X]+" where X is the physical tab character (and each is preceded by a single space in all those examples)...