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How do I negate a test with regular expressions in a bash script?
Using GNU bash (version 4.0.35(1)-release (x86_64-suse-linux-gnu), I would like to negate a test with Regular Expressions. For example, I would like to conditionally add a path to the PATH variable, if the path is not already there, as in:
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IndentationError: unindent does not match any outer indentation level
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Adding a Google Plus (one or share) link to an email newsletter
I am trying to find a way to embed a share/+1 link for Google+ in a Newsletter, much like the Facebook share and tweeter tweet links can be embedded in a newsletter, which can be achieved with the following two urls:
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Why does SIGPIPE exist?
... can only occur as the result of a write() , which can (and does) return -1 and set errno to EPIPE ... So why do we have the extra overhead of a signal? Every time I work with pipes I ignore SIGPIPE and have never felt any pain as a result, am I missing something?
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Packing NuGet projects compiled in release mode?
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edited Mar 7 '16 at 21:39
Sergey Brunov
11.4k77 gold badges3535 silver badges6969 bronze badges
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PowerMockito mock single static method and return object
I want to mock a static method m1 from a class which contains 2 static methods, m1 and m2. And I want the method m1 to return an object.
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How does one escape backslashes and forward slashes in VIM find/search?
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Same way you escape characters most anywhere else in linuxy programs, with a backslash:
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rails simple_form - hidden field - create?
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try this
= f.input :title, :as => :hidden, :input_html => { :value => "some value" }
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Check whether a string contains a substring
...ns substring you can use the index function:
if (index($str, $substr) != -1) {
print "$str contains $substr\n";
}
It will return the position of the first occurrence of $substr in $str, or -1 if the substring is not found.
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