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Having to manually format a number as a currency string can be a tedious process. Even though this can oftentimes be done in a few lines of code, it's good practice to follow a standardized norm rather than hardcode it yourself, plus it's way easier for the developer writing the...
Osama Akhtar
Seaborn is one of the most widely used data visualization libraries in Python, as an extension to Matplotlib. It offers a simple, intuitive, yet highly customizable API for data visualization. In this tutorial, we'll take a look at how to plot a Line Plot in Seaborn - one of the...
David Landup
Python is a dynamically typed language, and the variable data types are inferred without explicit intervention by the developer. If we had code that requires a string to work correctly but lacked type hints, which are optional, how can we avoid errors if the variable used is not a string?...
Daniel Pimeh
Python is a dynamically typed language, and the variable data types are inferred without explicit intervention by the developer. If we had code that needed a list but lacked type hints, which are optional, how can we avoid errors if the variable used is not a list? In this tutorial,...
In this tutorial, we'll be taking a look at how to convert a JSON object into a Java Object using Jackson, an extremely popular data-binding library for Java. Specifically, we'll be working with this JSON object: { "name":"David", "position":"Software Engineer", "...
In this tutorial, we'll take a look at how to sort a HashMap by key in Java. Let's go ahead and create a simple HashMap: Map<String, Integer> unsortedMap = new HashMap(); unsortedMap.put("John", 21); unsortedMap.put("Maria", 34); unsortedMap.put("Mark"...
In this tutorial, we'll take a look at how to sort a HashMap by value in Java. Let's go ahead and create a simple HashMap: Map<String, Integer> unsortedMap = new HashMap(); unsortedMap.put("John", 21); unsortedMap.put("Maria", 34); unsortedMap.put("Mark"...
In this article we'll be taking a look at how to read and write JSON files in Kotlin, specifically, using the Jackson library. To utilize Jackson, we'll want to add its jackson-module-kotlin dependency to our project. If you're using Maven, you can simply add: <dependency> <groupId>...
Alex Chirea
Building a web app almost always means dealing with data from a database. There are various databases to choose from, depending on your preference. In this guide, we shall be taking a look at how to integrate one of the most popular NoSQL databases - MongoDB - with the Flask...
Geoffery, Joseph
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