Showing 31 to 40 of 55 posts.

Linked list in JavaScript code example step by step

Posted on December 1st, 2019 in JavaScript by George


This is one way of implementing the Data Structure of type Linked List in JavaScript.

Follow the code example below and pay attention to the explicit comments.

I do focus on coding and not writing a descriptive article. I believe the best way to learn code is by reading code and writing code.

Thank you.


How to open and parse JSON file/data in Swift 5.1

Posted on December 1st, 2019 in Swift by George

A short example of how to open a JSON file from the root folder of the project.

This example will use a fictional file named Addresses, "addressesAPI" of type txt.



Defer Swift 5.1 / 5 with example

Posted on November 23rd, 2019 in Swift by George


Defer is used to executed code only after the rest of the function body has been executed but can be declared anywhere inside of the body of the function.

Below you can see an explicit example.


Swift 5 / 5.1 Enumeration with enum and enum method example

Posted on November 23rd, 2019 in Swift by George


In this example, I will create an enumeration using "enum" and a method "compareVales".

The compare value method will return a text string to show which value has primacy based on a predefined Rank.


Square Area and Circle Area in Swift 5 and Swift 5.1

Posted on November 23rd, 2019 by George


Examples on how to create a class Shape and then subclasses Square and Circle and how to use methods inheritance.

The examples contain methods to calculate the area for a Square and a Circle. 


How looks like a tuple in Swift? What is touple? Touples and Swift 5.1

Posted on November 19th, 2019 in Swift by George


Touples are used for grouping data.

You can think of it as a data structure much like an array.

Check out in the article a Swift example with explanatory comments.


Create a new git repository from command line (curl)

Posted on November 18th, 2019 in Miscellaneous by George


Do you find yourself having often to create a new project and also have to create a git repository for it?

Would you rather create the repository on the command line instead of a tedious trip to the GitHub website or locally installed git client? 

Only one line in terminal ...

curl -u 'yourGithubUserNameHere' -d '{"name":"newRepositoryName"}'


HTML link phone/mobile number, make it callable

Posted on November 16th, 2019 in Miscellaneous by George

HTML5 includes protocols such as tel: or mailto: for the browser to use. The browsers implement differently the protocols, some will launch the phone app and add the number ready to be used and others directly execute the call if permission is granted.


smallest multiple shortest solution JavaScript

Posted on October 2nd, 2019 in JavaScript by George

function sM(v,p) {
const g=(a,b)=>b===0||a===0?a+b:g(b,a%b),l=(a,b)=>a*b/g(a,b);
let m=p?v:1,x=p?p:v,c=m;
return c;

// provide one or two numbers(subsequent)


Falling letters tutorial css, javascript

Posted on September 22nd, 2019 in Miscellaneous by George

Vanilla js letters and words falling animation