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The words of such a language are the ones which are well-parenthesized for all delimiters, i.e., one can read the word from left to right, push every opening delimiter on the stack, and whenever we reach a closing delimiter then we must be able to pop the matching opening delimiter from the top of the stack.
Block comments are generally those that use a delimiter to indicate the beginning of a comment, and another delimiter to indicate the end of a comment. In this context, whitespace and newline characters are not counted as delimiters. In the examples, the symbol ~ represents the comment; and, the symbols surrounding it are understood by the ...
Multiple quoting is particularly useful with regular expressions that contain usual delimiters such as quotes, as this avoids needing to escape them. An early example is sed , where in the substitution command s/ regex / replacement / the default slash / delimiters can be replaced by another character, as in s, regex , replacement , .
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Nearly three out of 10 U.S. drugstores that were open during the previous decade had closed by 2021, new research shows. Black and Latino neighborhoods were most vulnerable to the retail pharmacy ...
$ paste--delimiters. names.txt numbers.txt Mark Smith.555-1234 Bobby Brown.555-9876 Sue Miller.555-6743 Jenny Igotit.867-5309 As an example usage of both, the paste command can be used to concatenate multiple consecutive lines into a single row:
The company experienced a system issue that affected multiple products including account withdrawals, peer-to-peer payment service Venmo, online checkout and crypto. PayPal said the issue, which ...
One’s biological age, which measures the body’s physiological state, may help predict who is at risk for developing colon polyps, a known risk factor for colorectal cancer.