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Pipe output and capture exit status in Bash
I want to execute a long running command in Bash, and both capture its exit status, and tee its output.
15 Answers
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How do I get the first element from an IEnumerable in .net?
I often want to grab the first element of an IEnumerable<T> in .net, and I haven't found a nice way to do it. The best I've come up with is:
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How do I access properties of a javascript object if I don't know the names?
Say you have a javascript object like this:
8 Answers
8
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Replace Fragment inside a ViewPager
I'm trying to use Fragment with a ViewPager using the FragmentPagerAdapter .
What I'm looking for to achieve is to replace a fragment, positioned on the first page of the ViewPager , with another one.
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File I/O in Every Programming Language [closed]
This has to be a common question that all programmers have from time to time.
How do I read a line from a text file? Then the next question is always how do i write it back.
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How to Join to first row
I'll use a concrete, but hypothetical, example.
11 Answers
11
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What does the “map” method do in Ruby?
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Pythonic way of checking if a condition holds for any element of a list
I have a list in Python, and I want to check if any elements are negative. Specman has the has() method for lists which does:
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how to prevent “directory already exists error” in a makefile when using mkdir
I need to generate a directory in my makefile and I would like to not get the "directory already exists error" over and over even though I can easily ignore it.
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