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Get current directory name (without full path) in a Bash script
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edited Feb 25 '19 at 13:11
Nick Bull
7,84144 gold badges1919 silver badges3636 bronze badges
answere...
How to check iOS version?
I want to check if the iOS version of the device is greater than 3.1.3
I tried things like:
37 Answers
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How to find the length of a string in R
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See ?nchar. For example:
> nchar("foo")
[1] 3
> set.seed(10)
> strn <- paste(sample(LETTERS, 10), collapse = "")
> strn
[1] "NHKPBEFTLY"
> nchar(strn)
[1] 10
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Python unit test with base and sub class
...ef testSub1(self):
print 'Calling SubTest1:testSub1'
sub = 3
self.assertEquals(sub, 3)
class SubTest2(unittest.TestCase, CommonTests):
def testSub2(self):
print 'Calling SubTest2:testSub2'
sub = 4
self.assertEquals(sub, 4)
if __name__ == '__mai...
How to loop through all but the last item of a list?
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324
for x in y[:-1]
If y is a generator, then the above will not work.
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What does $_ mean in PowerShell?
... the current value in the pipe line, which is called $PSItem in Powershell 3 and newer.
1,2,3 | %{ write-host $_ }
or
1,2,3 | %{ write-host $PSItem }
For example in the above code the %{} block is called for every value in the array. The $_ or $PSItem variable will contain the current val...
How to concatenate items in a list to a single string?
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answered Sep 17 '12 at 5:33
Burhan KhalidBurhan Khalid
144k1717 gold badges200200 silver badges247247 bronze badges
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C++11 reverse range-based for-loop
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234
Actually Boost does have such adaptor: boost::adaptors::reverse.
#include <list>
#inclu...
Uniq by object attribute in Ruby
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LaneLane
3,35411 gold badge2323 silver badges1313 bronze badges
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How do you remove a specific revision in the git history?
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To combine revision 3 and 4 into a single revision, you can use git rebase. If you want to remove the changes in revision 3, you need to use the edit command in the interactive rebase mode. If you want to combine the changes into a single revisi...