Month: September 2022

[Solved] Find the string in array which doesn’t contain the character in JavaScript

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Here is you your example code let wordarray=[“defeat”,”dead”,”eaten”,”defend”,”ante”,”something”]; word =”defantmsi”; posarray=”entfdenis”; function findMissingCharacters(str1,str2){ let result = [] //array which will be returned for(let letter of str1){ //check if str2 doesnot contain letter of str1 if(!str2.includes(letter)) result.push(letter); } return result; } let missing = findMissingCharacters(word,posarray); //filtering the wordarray let strings = wordarray.filter(word =>{ //this boolean will … Read more

[Solved] Link tag not working while linking a css file [closed]

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As per the HTML5 standards, using the bgcolor attribute is deprecated. So, if we’re following the current standards, we don’t use the bgcolor attribute. https://www.w3.org/TR/2010/WD-html-markup-20100304/body.html#body-constraints The official W3C documentation says, “The bgcolor attribute on the body element is obsolete. Use CSS instead.” The bgcolor attribute was the standard way of adding background color to body … Read more

[Solved] Write a Python function to concatenate all elements (except the last element) of a given list into a string and return the string

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def conexclast(strlst): ”’ function to concatenate all elements (except the last element) of a given list into a string and return the string ”’ output = “” for elem in strlst: strng = str(elem) output = output+strng return ‘ ‘.join(strlst[0:-1]) print(“Enter data: “) strlst = raw_input().split() print(conexclast(strlst)) The main correction is splitting the user’s input … Read more

[Solved] Firebase Error : Failed to resolve : com.google.firebase:firebase-database:16.0.6 [closed]

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In order to add firebase-database to your application, you also need to add the firebase-core libraries (which you commented out). app/build.gradle dependencies { // … implementation ‘com.google.firebase:firebase-core:16.0.6′ } If you haven’t done so, you also need to add rules to include Google services and Google’s Maven repository. Please read Add Firebase to Your Android Project … Read more

[Solved] Regular Expression generation in Swift [duplicate]

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You could do something like this : let str = “_h Hello _h _h World _h” let range = NSRange(str.startIndex…, in: str) let regex = try! NSRegularExpression(pattern: “(?<=_h).+?(?=_h)”) let matches = regex.matches(in: str, range: range) let results: [String] = matches.compactMap { match in let subStr = String(str[Range(match.range, in: str)!]).trimmingCharacters(in: .whitespacesAndNewlines) return subStr.isEmpty ? nil : … Read more

[Solved] Python making a counter

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I would suggest a simplified “architecture”. Your functions to get the user and computer choices should return values that can be compared. import random CHOICES = (‘rock’, ‘paper’, ‘scissors’) def get_user_choice(): choice = input(‘Rock, paper, or scissors? ‘) choice = choice.lower().strip() if choice not in CHOICES: print(‘Please select one of rock, paper, or scissors’) choice … Read more

[Solved] java. inheritance/polymorphism, quiz error?

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Here what’s happening is when you call Base b = new Derived() it first calls Derived() on derived class. Now as Derived class extends Base class every constructor of Derived class internally calls the default cunstructor of base class, similer to Derived() { super(); addValue(); } which in turns calls the Base(). Now inside Base() … Read more

[Solved] Picker View uncaught exception SWIFT

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The first problem is that you don’t store the created picker view instance. You instantiate it inside of a function, assign the delegate and dataSource and then you don’t store it in your class. So the ARC (Automatic Reference Counting) releases it, because it thinks the instance is not longer needed. Just create a variable … Read more

[Solved] How to sort multidimensional array in PHP version 5.4 – with keys?

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An quick fix, using the previous numerically ordered array, could have been: // Save the keys $keys = array_shift($data); /* here, do the sorting … */ // Then apply the keys to your ordered array $data = array_map(function ($item) { global $keys; return array_combine($keys, $item); }, $data); But let’s update my previous function: function mult_usort_assoc(&$arr, … Read more

[Solved] how to use windows service in windows form application [closed]

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You can use Timer to periodically update the database Timer timer = new Timer(); timer.Tick += new EventHandler(timer_Tick); // Everytime timer ticks, timer_Tick will be called timer.Interval = (10) * (1); // Timer will tick evert 10 seconds timer.Enabled = true; // Enable the timer timer.Start(); void timer_Tick(object sender, EventArgs e) { //Put your technique … Read more

[Solved] Compute the ratio of the sum of cube of the first ‘n’ natural numbers to the sum of square of first ‘n’ natural numbers

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from functools import reduce import ast,sys input_int = int(sys.stdin.read()) num_list = [x for x in range(1, input_int+1)] print(reduce(lambda x, y : x + y ** 3, num_list) / reduce(lambda x, y : x + y ** ,num_list)) 1 solved Compute the ratio of the sum of cube of the first ‘n’ natural numbers to the … Read more

[Solved] how to return equivalent Arrays

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public class Equavalenarray { public static void main(String[] args) { System.out.println(equivalentArrays(new int[]{0,1,2}, new int[]{2,0,1})); System.out.println(equivalentArrays(new int[]{0,1,2,1}, new int[]{2,0,1})); System.out.println(equivalentArrays( new int[]{2,0,1}, new int[]{0,1,2,1})); System.out.println(equivalentArrays( new int[]{0,5,5,5,1,2,1}, new int[]{5,2,0,1})); System.out.println(equivalentArrays( new int[]{5,2,0,1}, new int[]{0,5,5,5,1,2,1})); System.out.println(equivalentArrays( new int[]{0,2,1,2}, new int[]{3,1,2,0})); System.out.println(equivalentArrays( new int[]{3,1,2,0}, new int[]{0,2,1,2})); System.out.println(equivalentArrays( new int[]{1,1,1,1,1,1}, new int[]{1,1,1,1,1,2})); System.out.println(equivalentArrays( new int[]{ }, new int[]{3,1,1,1,1,2})); System.out.println(equivalentArrays( … Read more