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Ruby Regexp group matching, assign variables on 1 line
...ch(/(^.*)(:)(.*)/i)
one, two, three = match.captures
end
Although scan does make little sense for this. It does still do the job, you just need to flatten the returned Array first. one, two, three = string.scan(/(^.*)(:)(.*)/i).flatten
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What exactly do “u” and “r” string flags do, and what are raw string literals?
...heavy with backslashes (but never at the end, so the "except" clause above doesn't matter) and it looks a bit better when you avoid doubling up each of them -- that's all. It also gained some popularity to express native Windows file paths (with backslashes instead of regular slashes like on other ...
Fastest method of screen capturing on Windows
...ter than reading from the front buffer. Do you honestly do it that way and does it work properly?
– someguy
Feb 28 '11 at 16:54
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python numpy ValueError: operands could not be broadcast together with shapes
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dot is matrix multiplication, but * does something else.
We have two arrays:
X, shape (97,2)
y, shape (2,1)
With Numpy arrays, the operation
X * y
is done element-wise, but one or both of the values can be expanded in one or more dimensions to make them...
Recommended way to stop a Gradle build
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You can also use TaskExecutionException if a task does not execute successfully. (This is true according to the gradle 1.11 docs, I'm not sure when it was introduced.)
– Josh Gagnon
Feb 24 '14 at 19:45
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Pointer to class data member “::*”
...s.apples and &bowls.oranges? &bowl::apples and &bowl::oranges doesn't point to anything.
– Dan Nissenbaum
Mar 30 '14 at 9:20
20
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Microsoft CDN for jQuery or Google CDN? [closed]
Does it actually matter which CDN you use to link to your jquery file or any javascript file for that matter. Is one potentially faster than the other? What other factors could play a role in which cdn you decide to use? I know that Microsoft, Yahoo, and Google all have CDN's now.
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How to avoid having class data shared among instances?
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But why does this happens only for list? When i declared an integer or string outside the init, it was not shared among the objects? Can anyone share any doc link to this concept?
– Amal Ts
May ...
Hide all warnings in ipython
...nings anyway. Should it be related to the fact that I use TPU accelerator, does TPU have a particular behaviour in this case ... I wonder. I do not understand.
– Catalina Chircu
Mar 5 at 14:51
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How do I determine whether my calculation of pi is accurate?
...o if either computation goes bad, the digits at the end won't match.
This does typically more than double the amount of time needed (since the second algorithm is usually slower). But it's the only way to verify the computed digits once you've wandered into the uncharted territory of never-before-c...