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How can I combine hashes in Perl?
...he best way to combine both hashes into %hash1? I always know that %hash2 and %hash1 always have unique keys. I would also prefer a single line of code if possible.
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Summarizing multiple columns with dplyr? [duplicate]
... a bit with the dplyr-syntax. I have a data frame with different variables and one grouping variable. Now I want to calculate the mean for each column within each group, using dplyr in R.
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Vertically align text within a div [duplicate]
... answered Feb 12 '12 at 14:06
Andres IlichAndres Ilich
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Remove autolayout (constraints) in Interface Builder
I'm trying to make my project compatible with Snow Leopard and I am not able to remove the autolayout in the nibs using Interface builder (XCode 4.3 on Lion).
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Git merge left HEAD marks in my files
I tried to merge a file in the command line using Git, when an error message appeared telling me the merge was aborted.
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Create new tmux session from inside a tmux session
...es or switches to a given session, depending on whether one is inside tmux and the session exists.
6 Answers
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Convert sqlalchemy row object to python dict
Is there a simple way to iterate over column name and value pairs?
36 Answers
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How to cherry pick only changes for only one file, not the whole commit
...le. So if you added a line in a commit, but previous commits changed more, and you only want to add that line without those other changes, then a checkout is not what you want.
Otherwise if you want to apply the patch introduced in a commit to only a single file, you have multiple options. You coul...
Hidden features of Scala
...e second line looks confusing if you're not used to using pattern matching and extractors. Whenever you define a val or var, what comes after the keyword is not simply an identifier but rather a pattern. That's why this works:
val (a, b, c) = (1, 3.14159, "Hello, world")
The right hand expressi...
Make Div overlay ENTIRE page (not just viewport)?
...verlay div cover the ENTIRE page... NOT just the viewport. I don't understand why this is so hard to do... I've tried setting body, html heights to 100% etc but that isn't working. Here is what I have so far:
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