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Which regular expression operator means 'Don't' match this character?
*, ?, + characters all mean match this character. Which character means 'don't' match this? Examples would help.
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Perl build, unit testing, code coverage: A complete working example
Most Stackoverflow answers that I have found in regards to the Perl build process and unit testing and code coverage simply point me to CPAN for the documentation there. There's absolutely nothing wrong with pointing to CPAN modules because that's where the full documentation is supposed to reside....
How to use Active Support core extensions
I have Active Support 3.0.3 installed and Rails 3.0.3 with Ruby 1.8.7.
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How to base64 encode image in linux bash / shell
I'm trying to base64 encode an image in a shell script and put it into variable:
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Objective-C Split()?
Is there any way to split strings in objective c into arrays? I mean like this - input string Yes:0:42:value into an array of (Yes,0,42,value)?
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How to get execution time in rails console?
I want compare time of execution Post.all and SELECT * FROM posts (or some other statements) How can i get execution time of Post.all ?
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How to load a tsv file into a Pandas DataFrame?
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What is the easiest way to push an element to the beginning of the array?
I can't think of a one line way to do this. Is there a way?
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typedef fixed length array
I have to define a 24-bit data type.I am using char[3] to represent the type. Can I typedef char[3] to type24 ? I tried it in a code sample. I put typedef char[3] type24; in my header file. The compiler did not complain about it. But when I defined a function void foo(type24 val) {} in my C...