- [ ] It's a constant expression, meaning an expression composed of constants and operations. -- [x] **It's an expression that represents an object with an address.** +- [x] It's an expression that represents an object with an address. - [ ] It's an expression suitable ...
What is the meaning of the ${0##...} syntax with variable, braces and hash character in bash? What does expanding a variable as "${var%%r*}" mean in bash?Q77. Which operator tells the shell to run a given command in the background?
Q28. As with many areas of JavaScript, keeping track of the meaning of this is important and sometimes tricky. What does this mean at each of the two points in this custom plugin snippet?$.fn.customPlugin = function () { // Point 1 return this.each(function...
Q28. As with many areas of JavaScript, keeping track of the meaning of this is important and sometimes tricky. What does this mean at each of the two points in this custom plugin snippet?$.fn.customPlugin = function () { // Point 1 return this.each(functio...
The first option would have worked if the repetitions range looked like [0-9]{2}, however because of the comma [0-9]{2,} it will select 2 or more digits (120:000:321). The third option will any range of time digits, single and multiple (meaning 1:2:3 will also match)....