Advertisements Let’s say that I have this pseudo code: x11 = { "exec": { "test1": "test1" }, "mount": { "test2": "test2" }, "unmount": { "test3": "test3" }, } def get_exec(dict1): return dict1["test1"] def get_mount(dict1): return dict1["test2"] def get_unmount(dict1): return dict1["test2"] x1 = ["exec", "mount", "unmount"] for elem in x1: e1 = x11.get(elem) get_e = {… Read More Call functions using dictionaries in python

Advertisements I am new to C# and working with methods. My attempt was to create a seperate method for logging the user in. The Code looks something like public IWebDriver bot; void DataGrabber(object sender, RoutedEventArgs e) { string user = "…"; string pass = "…"; UserLogin(user, pass); bot.Navigate().GoToUrl("https://example.com/data"); //NullReferenceException gets raised here } static IWebDriver… Read More C# return IWebElement (selenium) causes NullReferenceException

Advertisements Apologies for the rather vague question, I wasn’t sure how else to phrase it. I am a beginner to java and I decided to test myself by creating a program that helps you play the board game Monopoly by taking the role of the banker (handles transactions and keeps track of everyone’s money). The… Read More Java String method not returning expected value

Advertisements I am working on a web development project using Visual Studio Code and JavaScript. In my code, I have a function that creates a new div element and assigns it to a variable named newDiv. Here is the code: function createNode(tag,id) { let newNode = document.createElement(tag) newNode.id = id; return newNode; } let newDiv… Read More Why isn't VS Code providing autocomplete for methods on the return type of my JavaScript function?

Advertisements if we have a file, we can read the lines and store it in a variable. such as: with open(‘test.py’, ‘r’) as file: f = file.readlines() however, for some methods we can’t add it to an object (sort it) and store in a variable: cars = [‘Ford’, ‘BMW’, ‘Volvo’] y = cars.sort() print(y) And… Read More Why some methods we can apply to an object and define it in a variable, but for some we cant?

Advertisements I am facing this problem, I am trying to loop all my methods from one class to another and I did do that, but I have 2 loops where one gets executed from the end to the beginning and then the other one does not get executed. This error shows to me Exception in… Read More Exception in thread "main" java.lang.IllegalArgumentException: wrong number of arguments

Advertisements const array = [ "Devslopes", "is", "teaching", "me", "FOR", "loops", "and", "functions", "!" ]; const separator = " "; function joinToString(array, separator) { for (let ele of array) { let combine = ele + separator; } return combine; } What I am trying to do is take the separator and add it to the… Read More Only using for loops. How do you build a function that performs like the join method?

Advertisements I tried split() to make an array out of it then map() to add numbers next to the strings. function nameLength(str) { const words = str.split(" "); return words.map(str => $(words) $(words.length)); } console.log(nameLength("hawaii pizza")); was expecting: [ ‘hawaii 6’, ‘pizza 5’ ] >Solution : You are returning the wrong string. also your syntax… Read More Function that takes a string and returns an array with the length of each word added to each element

Advertisements I am a computer science major and just finished my first semester of school. I found that I would be learning Java, Python, C, Scheme and Haskell throughout my academic career. I decided to start learning Java in advance to increase my chances of success when I encounter it, and the other languages, in… Read More Difference between "void" methods with a print command and methods with a return statement

Advertisements a super silly question but why does the method prime recurse infinitely ? this is a simple java code where i’m trying to make a method i can call to get the prime of parameter x , but it tells me that the method will recurse infinitely , i tried copy pasting the code… Read More method will recurse infinitly