read in Python
In questa lezione studieremo il metodo read per leggere in un file in Python. Partiamo subito con un semplice esempio che utilizza il file rubrica.txt il quake contiene due semplici…
In questa lezione studieremo il metodo read per leggere in un file in Python. Partiamo subito con un semplice esempio che utilizza il file rubrica.txt il quake contiene due semplici…
In questa lezione parleremo del metodo readlines in Python che legge tutto il file di testo e restituisce una lista. readlines Python – primo esempio In questo primo esempio leggeremo…
In questo articolo, esploreremo la creazione di un counter in JavaScript, fornendo implementazioni che consentono sia l’incremento che il decremento in modi diversificati e interessanti. Realizziamo un counter in JavaScript…
In this lesson we will create a simple JavaScript to do list, a classic JavaScript exercise that allows you to experiment with the methods learned so far. To carry out…
In questa lezione realizzeremo una semplice to do list in JavaScript. Si tratta di un esercizio classico che ci permetterà di mettere in pratica i concetti appresi finora e di…
The eval function in JavaScript evaluates the expression passed as an argument and executes it if there is an operation. The syntax is as follows: eval(string). JavaScript eval examples Here…
In this lesson we will study the JavaScript String function that is used to return a string from a value passed as an argument. The syntax is as follows: string(object).…
In JavaScript the parseFloat function takes a string as an argument and returns a decimal number. The syntax is therefore the following: parseFloat(string). Where string represents the string to convert.…
In this lesson we build in JavaScript a simple multiplication table. To make this example, we will therefore create an html table and in each cell we will insert our…
In this lesson we develop a prime number algorithm in JavaScript. First of all, remember that a number is prime when it has two divisors, namely 1 and itself. The…
In this lesson we introduce the JavaScript join method which, given an array, returns a string. This method is similar to the previous toString, discussed in the previous lesson. The…
In this lesson we will talk about the JavaScript slice method useful for selecting elements of an array. This method returns a new array with the selected elements. The syntax…
JavaScript forEach method is used over arrays to iterate and apply a function to each element. This method was introduced starting with ECMAScript 5 (ES5), along with other features. The…
The JavaScript splice method adds and removes elements to an array starting from a specified location. The syntax is as follows: array.splice(index, q, element1,…, elementN). Where index represents the index…
In this lesson we study JavaScript reverse method, which is useful for reversing the elements of an array. The syntax is as follows: array.reverse(). So let’s take some examples to…
In this article we will talk about the JavaScript sort method, which is useful for sorting the elements of an array. The syntax of the sort() method is as follows:…
In this lesson we will talk about the JavaScript map method, used with arrays. This method creates a new array with the results of calling a function for each element…
The JavaScript array indexOf method, returns the starting position of an element within an array or string. The syntax of this method is as follows: array.indexOf(element) Where element is therefore…