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extract part of a string using bash/cut/split
...ition using numbers:
${MYVAR:3} # Remove the first three chars (leaving 4..end)
${MYVAR::3} # Return the first three characters
${MYVAR:3:5} # The next five characters after removing the first 3 (chars 4-9)
You can also replace particular strings or patterns using:
${MYVAR/search/replace}
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How do I include a path to libraries in g++
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edited Jul 29 '15 at 15:47
answered May 26 '11 at 15:34
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Is it possible to adjust x,y position for titleLabel of UIButton?
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4 Answers
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How do I iterate through the alphabet?
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141
You can use string.ascii_lowercase which is simply a convenience string of lowercase letters,
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How to ignore all hidden directories/files recursively in a git repository?
...Daniel Böhmer
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Mongo Shell - Console/Debug Log
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284
I've found the answer, it is simply print
print("sweetnesss");
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What command opens Ruby's REPL?
... Jörg W MittagJörg W Mittag
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count number of lines in terminal output
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491
Pipe the result to wc using the -l (line count) switch:
grep -Rl "curl" ./ | wc -l
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“render :nothing => true” returns empty plaintext file?
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146
UPDATE: This is an old answer for legacy Rails versions. For Rails 4+, see William Denniss' pos...