raldi

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raldi has asked 54 questions and find answers to 4 problems.

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raldi questions

P and NP complete problems [duplicate]
How do I use raw sockets in Perl?
How do you use gnuplot's built-in fonts?
In Perl, how do I process input as soon as it arrives, instead of waiting for newline?
How do I match text in HTML that's not inside tags?
Why is there a gap between my image and its containing box?
When editing Lisp code, can emacs be configured to display each nested level of parentheses in a different color?
How do I control the variable names in Perl's Data::Dumper?
Is there a Perl-compatible regular expression to trim whitespace from both sides of a string?
Why doesn't a <table>'s margin collapse with an adjacent <p>?

raldi answers

can't delete directory under linux due to broken files
When is the right time (and the wrong time) to use backticks?
How do you use gnuplot's built-in fonts?
How can I stay up-to-date on computer (especially software) security? [closed]