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Returning a boolean from a Bash function
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No you don't need to do that - see the sample.
– Erik
Mar 25 '11 at 11:44
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Command substitution: backticks or dollar sign / paren enclosed? [duplicate]
What's the preferred way to do command substitution in bash?
3 Answers
3
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Performance optimization strategies of last resort [closed]
...t. That is fairly rare, in my experience. I tried to explain this in a Dr. Dobbs article in November 1993, by starting from a conventionally well-designed non-trivial program with no obvious waste and taking it through a series of optimizations until its wall-clock time was reduced from 48 seconds t...
How do you git show untracked files that do not exist in .gitignore
...y untracked files that I need to be untracked such as unit tests, personal documentation, etc. I have put them in .gitignore , but it seems that git status still shows them.
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How do I SET the GOPATH environment variable on Ubuntu? What file must I edit?
I am trying to do a go get :
25 Answers
25
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Checking whether a variable is an integer or not [duplicate]
How do I check whether a variable is an integer?
42 Answers
42
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Subprocess changing directory
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What your code tries to do is call a program named cd ... What you want is call a command named cd.
But cd is a shell internal. So you can only call it as
subprocess.call('cd ..', shell=True) # pointless code! See text below.
But it is pointless...
How do I force Postgres to use a particular index?
How do I force Postgres to use an index when it would otherwise insist on doing a sequential scan?
6 Answers
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Static method in a generic class?
...eters, so obviously they cannot depend on a particular type parameter.
It doesn't seem like your problem should require using the class's type parameter. If you describe what you are trying to do in more detail, maybe we can help you find a better way to do it.
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How do I install g++ for Fedora?
How do I install g++ for Fedora Linux? I have been searching the dnf command to install g++ but didn't find anything.
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