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Split string into array of character strings
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How and why? Is this a regex meaning any character? Because in my mind, with the way split works, this should split on only the actual characters (, ?, !, ^, and ). However, it works as you say it does.
– Ty...
How can you diff two pipelines in Bash?
...two pipelines without using temporary files in Bash? Say you have two command pipelines:
3 Answers
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Detect if a NumPy array contains at least one non-numeric value?
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This should be faster than iterating and will work regardless of shape.
numpy.isnan(myarray).any()
Edit: 30x faster:
import timeit
s = 'import numpy;a = numpy.arange(10000.).reshape((100,100));a[10,10]=numpy.nan'
ms = [
'numpy.isnan(a).any()',
'any(n...
More elegant “ps aux | grep -v grep”
When I check list of processes and 'grep' out those that are interesting for me, the grep itself is also included in the results. For example, to list terminals:
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Viewing a Deleted File in Git
I've deleted a file with Git and then committed, so the file is no longer in my working copy. I want to look at the contents of that file, but not actually restore it. How can I do this?
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Fast way of finding lines in one file that are not in another?
...ile1 file2
The input files should be sorted for this to work. With bash (and zsh) you can sort in-place with process substitution <( ):
diff --new-line-format="" --unchanged-line-format="" <(sort file1) <(sort file2)
In the above new and unchanged lines are suppressed, so only changed...
How do I build a numpy array from a generator?
...ping this in mind, it is technically impossible to take a generator object and turn it into an array unless you either:
can predict how many elements it will yield when run:
my_array = numpy.empty(predict_length())
for i, el in enumerate(gimme()): my_array[i] = el
are willing to store its elemen...
dynamically add and remove view to viewpager
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After figuring out which ViewPager methods are called by ViewPager and which are for other purposes, I came up with a solution. I present it here since I see a lot of people have struggled with this and I didn't see any other relevant answers.
First, here's my adapter; hopefully comments ...
Is there a way to quickly capitalize the variable name in Eclipse
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It only works on the selection (and it's cmd-shift-x/y on the mac.) It's a shame that it won't do the next character if you haven't selected a range, since the keybinding is doing nothing in that case.
– Joshua Goldberg
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Post Build exited with code 1
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She had a space in one of the folder names in her path, and no quotes around it.
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