Lazar Ristic

Articles: 18

Joined: Apr 23, 2021

Recently published

Article

Guide to Python's keyboard Module

Python is one of the most suitable languages for automating tasks. Whether it's repeatable (ethical) web scraping after some time period, starting some programs on a computer start up, or automating sending mundane e-mails, Python has a lot of modules that make your life easier. One of these is a...

Lazar Ristic

Sep 20, 2021

Article

Working with JavaScript's Built-In Array Functions

When working with any programming language, you'll probably need some functionality that is not integrated into that language natively. Thus, you'll either implement them yourself, or turn to using various modules or libraries. This directly affects the efficiency of your application (more memory usage, more HTTP requests, etc.). To avoid...

Lazar Ristic

Sep 10, 2021

Article

Working with JavaScript's Built-In String Functions

Lazar Ristic

Sep 09, 2021

Article

Getting Started with Collections in JavaScript

Groups of data in different forms are one of the fundemental data structures in most programming languages. In many cases, groups of data expressed through different data types are referred to as Collections. In this guide - we'll take a look at Collections in JavaScript and when to use which...

Lazar Ristic

Aug 12, 2021

Article

Guide to Regular Expressions and Matching Strings in JavaScript

Matching strings or string patterns can be a real struggle. In the most common cases, you'll need these to validate e-mails, user inputs, file names, or most kinds of input strings. While there are many pattern-matching libraries and approoaches - a time-tested approach is using Regular Expressions to define a...

Lazar Ristic

Aug 10, 2021

Article

Null Coalescing Operator in JavaScript with ECMAScript 2020

When working in a request-response lifecycle, you want to make sure that a response with the wanted body - or at least an informative response arrives so the client that requested the data stays in the loop. In case of null values, you'll probably want to return a different result....

Lazar Ristic

Aug 03, 2021

Article

How to Reverse a List in Python

Python is a flexible language, and there's typically several ways to perform the same, menial task. Choosing an approach can depend on the time or space complexity, or simply on your personal preference. Python's data structures are quite handy and intuitive, and their built-in functionalities are easy to work with....

Lazar Ristic

Aug 02, 2021

Article

How to Join/Concatenate/Append Strings in Python

In this short tutorial, we'll take a look at how to concatenate strings in Python, through a few different approaches. It's worth noting that strings in Python are immutable - a string object in memory cannot be changed once created: newString = "Some new string" If you'd like to...

Lazar Ristic

Jul 30, 2021

Article

Guide to Sending HTTP Requests in Python with urllib3

Resources on the Web are located under some kind of web-address (even if they're not accessible), oftentimes referred to as a URL (Uniform Resource Locator). These resources are, most of the time, manipulated by an end-user (retrieved, updated, deleted, etc.) using the HTTP protocol through respective HTTP Methods. In this...

Lazar Ristic

Jul 22, 2021