What's the meaning of "=>" (a fat arrow formed from equal and …
Jun 20, 2017 · What's the meaning of "=>" (a fat arrow formed from equal and greater-than signs) in JavaScript? Asked 11 years, 4 months ago Modified 1 year ago Viewed 429k times
Meaning of $? (dollar question mark) in shell scripts
Aug 1, 2019 · What does echo $? mean in shell programming?true echo $? # echoes 0 false echo $? # echoes 1 From the manual: (acessible by calling man bash in your shell) ? Expands to …
regex - Meaning of "=~" operator in shell script - Stack Overflow
Sep 17, 2012 · Meaning of "=~" operator in shell script [duplicate] Asked 13 years, 2 months ago Modified 12 years, 4 months ago Viewed 96k times
What is the meaning of <> in mysql query? - Stack Overflow
Aug 22, 2016 · In MySQL, I use <> to preferentially place specific rows at the front of a sort request. For instance, under the column topic, I have the classifications of 'Chair', …
403 Forbidden vs 401 Unauthorized HTTP responses - Stack …
Jul 21, 2010 · Meaning if you have your own roll-your-own login process and never use HTTP Authentication, 403 is always the proper response and 401 should never be used. Detailed …
pointers - Meaning of *& and **& in C++ - Stack Overflow
Typically, you can read the declaration of the variable from right to left. Therefore in the case of int *ptr; , it means that you have a Pointer * to an Integer variable int. Also when it's declared int …
python - What is the meaning of single and double underscore …
What do single and double leading underscores before an object's name represent in Python?
Difference between CR LF, LF and CR line break types
Oct 12, 2009 · I'd like to know the difference (with examples if possible) between CR LF (Windows), LF (Unix) and CR (Macintosh) line break types.
What is the meaning of the auto keyword? - Stack Overflow
From what I've learned, auto has always been a weird storage class specifier that didn't serve any purpose. However, I've tried what auto does, and it assumes the type of whatever I happen to …
What is the meaning of "$" sign in JavaScript - Stack Overflow
May 25, 2018 · In the following JavaScript code there is a dollar ($) sign. What does it mean?