while-loop Archives - Page 2 of 3

How do I plot in real-time in a while loop using matplotlib?

I am trying to plot some data from a camera in real time using OpenCV. However, the real-time plotting (using matplotlib) doesn’t seem ...

May 15, 2022
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Else clause on Python while statement

I’ve noticed the following code is legal in Python. My question is why? Is there a specific reason? n = 5 while n ...

May 10, 2022
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Which is faster: while(1) or while(2)?

This was an interview question asked by a senior manager. Which is faster? while(1) { // Some code } or while(2) { //Some ...

April 30, 2022
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Why is “while ( !feof (file) )” always wrong?

What is wrong with using feof() to control a read loop? For example: #include <stdio.h> #include <stdlib.h> int main(int argc, char **argv) { ...

April 29, 2022
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Syntax for a single-line while loop in Bash

I am having trouble coming up with the right combination of semicolons and/or braces. I’d like to do this, but as a one-liner ...

April 23, 2022
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How to emulate a do-while loop?

I need to emulate a do-while loop in a Python program. Unfortunately, the following straightforward code does not work: list_of_ints =...

April 16, 2022
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What condition does while(true) test? When is it true and false?

When is while(true) true, and when is it false? It’s always true, it’s never false. Some people use while(true) loops and then use break to exit them ...

April 7, 2022
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How would I use a while loop to keep requesting user input

Use a while loop above input line as: And, use if condition to break. Also, condition for leap year is wrong in your ...

April 5, 2022
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How do I exit a while loop in Java?

Use break: while (true) { .... if (obj == null) { break; } .... } However, if your code looks exactly like you ...

April 3, 2022
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How to use a Do-while loop that continuously prompts a user?

(I have a homework question that I’ve been stuck on that concerns “do-while loops” in Java. ) It is asking me to have ...

April 3, 2022
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