Why does R evaluate "string" > 0 as TRUE? I first thought this might be due to an implicit type conversion or that R interprets this as nchar("string") > 0. This does not seem to be the case: "some string" > 0 #[1] TRUE # Verify if any other comparison is true: "some string" <… Read More Why does "some string" > 0 evaluate to TRUE in R?

I am trying to create a priority queue of pairs, with book names (strings) and lengths (int). I’d like the priority queue to have the earliest title at the top. By default the priority queue is reverse alphabetical, returning me (This Book, 100) (A Book, 200) when I’d like them to be the other way… Read More C++ change priority queue to alphabetical order?

I have 8 form input values (select inputs). I wish to compare them so that none is identical to another. And if there’s a duplicate, I wish to know which one – if they are ABC, then B is a duplicate of A, instead of A is a duplicate of B. What would be the… Read More How to compare multiple values to find which one is a duplicate, if any?

I am trying to compare two "almost" identical strings in a shell script. They are similar except for one character (A-Z). In the example below I want the code to return true for all cases of the string from 1-2-3-A-5-6- to 1-2-3-Z-5-6- Currently my code returns false. #!/bin/bash TEMPLATE=’1-2-3-*-5-6-‘ CASE=’1-2-3-A-5-6-‘ if [[ "$TEMPLATE" == "$CASE"… Read More Shell, compare two script with wildcard

I am new to C# and found two ways to compare strings. Whats the difference between these approaches? var a = "hello"; var b = "hello"; a.Equals(b); string.Equals(a, b); >Solution : The difference is that a.Equals(b) throws an exception if a is null: string a = null; string b = "hello"; a.Equals(b); // throws a… Read More Difference between string.Equals() and "string".Equals()

PHP NEWBIE [PHP 7.4] I am trying to refactor some old code. GOAL: The two JSON must match. Code snipppet 1: Old JSON code generated from php array Code snippet 2: New JSON code generated from php array Objective: Both must match, I am using php unit to compare them. For simplicity, I have removed… Read More php convert multidimensional array to json object

I’m working on a solution including 2 types of sorting based on a property. What do you think which one is a better approach? public class ABComparator implements Comparator<O> { private final Property property; public ABComparator(Request request) { property = getProperty(); } @Override public int compare(O o1, O o2) { if (property.someLogic()) { // 1… Read More Dynamic comparator or 2 separate comparators?

I have leetcode question Input: jewels = "aA", stones = "aAAbbbb" Output: 3 and capital letters a and A are different types. Input: jewels = "z", stones = "ZZ" Output: 0 So how would count in python. I think zip is not a good choice because it pairs index by index. >Solution : Not sure… Read More how to compare each char from two strings in python?

i would like to know the best way to compare a single character of a string to another whole string and find the matching character so to say. The probably most important snippets of my code are the user input request: string text = get_string("text: "); and my predefined "comparison"-string= char lowerabc[] = "abcdefghijklmnopqrstuvwxyz"; Now,… Read More How to properly find the matching character in another string

I have two lists which are following. characteristic = [‘length’, ‘width’, ‘height’, ‘Thread length’, ‘space’] value = [‘length 34′,’width ab23′,’Thread length 8ah’,’space’,’height 099′] I have written a loop. temp_str = {} for x in characteristic: for z in value: if x in z: temp_str = z.replace(x,”) temp_str += ‘,’ print(temp_str) I am getting output: 34,… Read More Want get value of other list where value matched