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How to Correctly Use Lists in R?
... Very helpful, thanks. (Re item #1 in your answer--i agree, but what i had in mind was built-ins like 'strsplit', not user-created functions). In any event, +1 from me.
– doug
Jan 12 '10 at 23:14
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Moving project to another folder in Eclipse
...lly and I wanted Eclipse to open the project on this new location. This is what I did (and it seems to work).
(I'm using eclipse "helios" v 3.6.2)
File menu | Import ...
General | Existing projects into Workspace
Select root directory = top directory of your project on the new location
Finish
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Flatten nested dictionaries, compressing keys
...ct(d, join=..., lift=...) which can be adapted to many purposes and can do what you want. Sadly it is fairly hard to make a lazy version of this function without incurring the above performance penalties (many python builtins like chain.from_iterable aren't actually efficient, which I only realized ...
Autoreload of modules in IPython [duplicate]
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What if it is less direct? %run sometest.py contains import themod. After editing themod.py, I'd like to just %run sometest.py, but it doesn't pick up the changes.
– Jed
May 22 '11 at 8:...
Get line number while using grep
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@JeanPaul - I see same result for both -nr and -n -r. What version of grep are you using ? $ grep -n -r name * | wc -l 1984 $ grep -nr name * | wc -l 1984 $ grep -V grep (BSD grep) 2.5.1-FreeBSD
– Miro A.
Mar 9 '18 at 10:47
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Explain the encapsulated anonymous function syntax
...ns.
On the other hand, FunctionDeclarations could actually appear only in what's called "Program" code, meaning code outside in the global scope, and inside the FunctionBody of other functions.
Functions inside blocks should be avoided, because they can lead an unpredictable behavior, e.g.:
i...
How do I control how Emacs makes backup files?
...up files. Should it rename the original
and write out the edited buffer? What if the original is linked?
In general, the safest but slowest bet is to always make backups
by copying.
(setq backup-by-copying t)
If that's too slow for some reason you might also have a look at
backup-by-copying-whe...
How can I use numpy.correlate to do autocorrelation?
...tion(a) = ∑ -∞ < i < ∞ aivt+i where 0 <= t < ∞
But what you got was:
autocorrelation(a) = ∑ -∞ < i < ∞ aivt+i where -∞ < t < ∞
What you need to do is take the last half of your correlation result, and that should be the autocorrelation you are looki...
Adding multiple class using ng-class
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@CodeHater thanks. That's pretty much what I'm planning now, just need to take a moment to fix up the CSS.
– BrianS
Aug 4 '14 at 1:15
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Equivalent of .try() for a hash to avoid “undefined method” errors on nil? [duplicate]
... Strings and Arrays also respond to :[], but the returned value may not be what you want, and Array raises exception for Strings or Symbols used as indexes.
That is the reason why in the suggested form of this method (below) the (usually ugly) test for .is_a?(Hash) is used instead of (usually bette...