Category "loops"

Filter array by skipping every nth element from the end

Is there an efficient way to get an array by skipping every n elements starting from the end (so that the last element is always in the result)? Basically, I ha

How to exit a program if a blank line is entered?

I just want to exit the program if a blank line is entered. What do I need? I've tried sys.exit(), but that doesn't quit the program, just returns a blank whi

Excel VBA: Loop and finding multiple values in a range then copying the offset cells in the same range in a categorized list in another worksheet

I am in need of help with looping through a range (In this case Column "C") and finding 5 specific words (Sort, Set, Shine, Standardize, and Sustain) and then o

Is it necessary to avoid loops for updating models in laravel?

I'm trying to sort multiple records for a model based on a field and store their ranks in DB. Like below: $instances = Model::orderBy('field')->get(); $ran

Duplicate things a specific number of times in racket

I'm trying to write a program that takes in a phrase and a number (n) and returns a list that contains the phrase repeated n times. What I have so far looks lik

Making a certain statement loop forever in Python

while 1 == 1: do = raw_input('What would you like to do?') In the above example you can see that the code is meant to make something loop forever, for exam

How can I print every minute using Datetime with Python

As an example, I want to print, "1 min", every time 1 minute has passed using time or datetime. I cant use time.sleep(60) because I have more code that needs t

Rewriting strlen() in C [closed]

if anyone has ever wanted to try and rewrite a string function in C, would this code work to replace the standard strlen() function? I have no

General approach to modifying an array while looping through it

Is it safe in Perl6 (as opposed to perl5 or other languages) to loop through an array while modifying it? For instance, if I have an array of websites to downlo

Looping over pandas DataFrame

I have a weird issue that the result doesn't change for each iteration. The code is the following: import pandas as pd import numpy as np X = np.arange(10,100)

How can I make this repeat forever?

I have this code which generates random characters (it's a kind of terrain generator). I just can't get it to print forever. Here's the current code I have for

SASS : How to generate a map using a loop

My goal is to generate a SASS map to store variants of colors that are stored in the following map: $colors : ( jet : #333333, wint

Converting text file to all uppercase letters

I have an assignment for class and I have to make a program that takes an existing file and converts all the letters to uppercase. Below is part of the code (sp

vba vlookup does not work in loop

I am working on a tool to analyse data. The data to be analyzed is manually copied into the first sheet, then I am planning to run a macro which analyzes the da

Sum of odd numbers until reached limit in Javascript

While I was solving a question saying "add odd numbers from 1 to 20", I coded this: var i, sum=0; for (i=2; i<=20; i*2){ sum=sum+i; } document.write(sum);

Is it possible to step through a row of data and sum every n-th cell using a Lambda function?

I have a model that produces an array of values that can be several hundred columns wide. Every 25th column contains a number that I need to add to the total. I

using cursor attributes in a CURSOR FOR LOOP

I am running the following in the Scott schema: SET serveroutput ON; BEGIN FOR c_Emp IN (SELECT * FROM emp) LOOP dbms_output.put_line('The record processed by

Looping through a list in Python

Trying to loop through a list of numbers so that the output reads the result on a seperate line. Instructions Given: - Store numbers 1-9 in a list. - Loop thro

kattis problem ABC with python3. Works fine in local compiler, but when on submission getting partially right

I am trying the kattis problem ABC (https://open.kattis.com/problems/abc). It works fine on my local compiler, but when I submit, I can't pass all the cases. Ca

When do I need to use hasOwnProperty()?

I read that we should always use hasOwnProperty when looping an object, because the object can be modified by something else to include some keys we don't want.