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How to modify a global variable within a function in bash?
...e number as the exit status:
mysecondfunc() {
echo "Hello"
return 4
}
var="$(mysecondfunc)"
num_var=$?
echo "$var - num is $num_var"
Gives:
Hello - num is 4
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Adding git branch on the Bash command prompt
...
164
git 1.9.3 or later: use __git_ps1
Git provides a shell script called git-prompt.sh, which inclu...
Android java.lang.VerifyError?
...rs when I try to launch my app (except for once, when I included Apache Log4j.)
30 Answers
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How to use the PI constant in C++
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549
On some (especially older) platforms (see the comments below) you might need to
#define _USE_M...
List attributes of an object
...mber)
...
>>> a = new_class(2)
>>> a.__dict__
{'multi': 4, 'str': '2'}
>>> a.__dict__.keys()
dict_keys(['multi', 'str'])
You may also find pprint helpful.
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How to show first commit by 'git log'?
...ial commit, gitk, some initially separate tools, git-gui, gitweb, and git-p4). In this case, we know that e83c516 is the one we are probably interested in. It is both the earliest commit and a root commit.
It is not so simple in the general case.
Imagine that libfoo has been in development for a w...
Can't subtract offset-naive and offset-aware datetimes
... phillcphillc
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Adding devices to team provisioning profile
...
answered Mar 17 '11 at 4:48
svilupparsviluppar
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How to split one string into multiple variables in bash shell? [duplicate]
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Rob IRob I
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Regex lookahead, lookbehind and atomic groups
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Examples
Given the string foobarbarfoo:
bar(?=bar) finds the 1st bar ("bar" which has "bar...