IT Nursery
Many Python programmers are probably unaware that the syntax of while loops and for loops includes an optional else: clause: for val in iterable: do_something(val) else: clean_up() The body...
I want to write a Bash script to process text, which might require a while loop. For example, a while loop in C: int done = 0; while(1) {...
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question...
Question 1: Why does the following code compile without having a return statement? public int a() { while(true); } Notice: If I add return after the while then I...
I’ve heard this quite a few times. Are JavaScript loops really faster when counting backward? If so, why? I’ve seen a few test suite examples showing that reversed loops...
In the following program, if I set the variable $foo to the value 1 inside the first if statement, it works in the sense that its value is remembered...
Why does the following work fine? String str; while (condition) { str = calculateStr(); ..... } But this one is said to be dangerous/incorrect: while (condition) { String str...
I have a list consisting of like 20000 lists. I use each list’s 3rd element as a flag. I want to do some operations on this list as long...
I’ve heard this quite a few times. Are JavaScript loops really faster when counting backward? If so, why? I’ve seen a few test suite examples showing that reversed loops...
I have a script and want to ask the user for some information, but the script cannot continue until the user fills in this information. The following is my...