Meaning of regular expressions like - \\\\d , \\\\D, ^ , $ etc
May 2, 2016 · From Perl-like Regular Expressions: The escape sequences ‘\d’, ‘\s’ and ‘\w’ represent any decimal digit, space character and ‘word’ character (letter, digit or underscore in …
linux - What is the meaning of -n, -z, -x, -L, -d, etc... in Shell ...
Nov 16, 2018 · What is the meaning of -n, -z, -x, -L, -d, etc... in Shell Script? Asked 6 years, 11 months ago Modified 6 years, 11 months ago Viewed 27k times
What is the meaning of `! -d` in this Bash command?
May 24, 2016 · What is the meaning of `! -d` in this Bash command? Asked 9 years, 5 months ago Modified 6 years, 6 months ago Viewed 71k times
What is the meaning of ^\\d*(\\:d+)?$. or ^\\d*(\\:d+)?$
The . at the end of ^\d*(:d+)?$. is most likely the end of a sentence and most likely not part of the regex itself. Why?: $ is a symbol for the end of a line, so unless you are using regex to match …
github - git pull U, A and D tags: Meaning? - Stack Overflow
Feb 23, 2015 · git pull occasionally will give me messages as follows: I do not understand the tags of "U", "A", and "D". Can someone please tell me what these mean? Thanks.
What exactly are DLL files, and how do they work?
Sep 23, 2008 · How exactly do DLL files work? There seems to be an awful lot of them, but I don't know what they are or how they work. So, what's the deal with them?
What is maven -D meaning? - Stack Overflow
Aug 24, 2021 · I saw some maven commands which have -D inside. For example: mvn clean install -Duser=john -Dpw=122345 I cannot find anything about it on the internet. Can someone …
What does this REGEX means? [a-zA-Z]|\d - Stack Overflow
May 15, 2011 · What is the meaning of this regex? [a-zA-Z]|\d I know that [a-zA-Z] means all of a to Z chars but whats the mean of \d?
python - What is the meaning of single and double underscore …
What do single and double leading underscores before an object's name represent in Python?
Meaning of numbers in "col-md-4"," col-xs-1", "col-lg-2" in …
Jun 12, 2014 · I am confused with the grid system in the new Bootstrap, particularly these classes: col-lg-* col-md-* col-xs-* (where * represents some number). Can anyone please …