Joseph Jude

All Articles under code

Understanding routing in React.js

Learn fundamentals of React-router v4

Rendering an array of data with React.js

Learn how to loop array of data in React.

Using dep, the Golang dependency management tool

A concise guide to dep, the golang's dependency management tool.

Invoking external API from React Native using Fetch

Learn to invoke external APIs using Fetch network API and modify values using state.

Using 3rd Party Libraries in React Native

In this tutorial, we will learn to use one of the library from the ever expanding React Native ecosystem.

Creating a Custom Component in React Native

It is easy to compose our own custom components in React Native. In this post, we compose a simple quote component.

Adding buttons with images in React Native

Almost all mobile applications use buttons and images. In this tutorial, we will learn to add buttons and images to a React Native application.

Installing Golang in MacOSX

Install and setup Golang on MacOSX

Saying Hello In React Native

React Native and Expo makes it easy to write cross-platform mobile apps. Let us start with a hello world.

Descriptive analytics in Javascript

Descriptive analytics is usually the first step in data analytics exercise. As the name suggests, it describes a dataset.

Gulp - a beginner's guide

Gulp is a tool that automates many of the tasks associated with development. It brings consistency to development process, thus eliminating development errors.

Simple tutorial to understand props vs state in React.js

Use props to send information to a component. Use state to manage information created and updated by a component.

Create React.js component with Typescript

Components are an essential building blocks of React.js. In this guide, we will create a simple React Hello component in Typescript.

Getting started with React.js and Typescript

React.js is a Javascript UI library by Facebook. In this guide, we will wire it up with Typescript to display a "Hello World" on the browser page.

Connecting to SQL db from Hapi using TypeORM

Connect to Postgresql from Hapi via TypeORM, a typescript based ORM

NPM as a build tool for Typescript projects

Use npm as a build tool for compiling Typescript, monitoring changes, and restarting development server.

In-depth guide to handling routes in hapijs

Routes help us to add functionality to our web-apps. Understanding how to add routes to hapijs apps.

Export Postgresql data to text files using nodejs

Connect to a relational db via TypeORM from nodejs (typescript)

Comprehensive guide to using Gulp with hapi.js & Typescript

Gulp automates many of the tasks in the development process. Here we use gulp to compile typescript files and restart hapi.js server.

Learn to build web-applications with Hapijs and Typescript

Want to learn to program in hapi and typescript? Come on in.

Step by step guide to dockerizing a hapijs app

How to dockerize an existing hapijs application so that you can deploy with ease and confidence

Using Pouchdb with nodejs

If you want to store unstructured data locally, checkout PouchDb

Auditing a website with nodejs

Auditing a site for SEO, security, and performance is time-consuming, and tedious. Automate it with nodejs.

Git mirroring

Mirror git repositories in simple steps

Redirecting a URL using nodejs

Merged sites? Don't want to lose traffic to old site? Redirect with a simple app.

Getting started with HapiJS and Typescript

Learning to use typescript with hapijs

A beginner's reference guide to TypeScript Language

TypeScript is a layer on top of JavaScript targeting developer's productivity.

Solving Euler-005 in Swift

Know your algorithms

Double loops are slower in Swift than in Python & Typescript

Swift is pathetically slow to handle double loops

Timing code execution in Swift, Python & Typescript

How to track execution time of a code block

Largest palindrome made from the product of two 3-digit numbers

Solution to Project Euler 004 problem in Swift, Python & Typescript

Largest prime factor of the number 600851475143

Solution to Project Euler 003 problem in Swift, Python & Typescript

Sum of even valued Fibonacci numbers less than 4 million

Solution to Project Euler 002 problem in Swift, Python & Typescript

Find the sum of all the multiples of 3 or 5 below 1000

Solution to Project Euler 001 problem in Swift, Python & Typescript

Export sqlite data to text files using Swift

Export sqlite data to text files using Swift

Migrating data from Postgresql to Sqlite using Python

Migrate data from postgres to sqlite using python

dlite makes it easy to start with docker on Mac

Getting started with Docker on Mac is a pain. Now dlite makes it easy.

Building BaasBox on Alpine

How to run BaasBox on alpine linux?

Swift Challenge 009: Count upper and lower case letters in a string

Write a program to count upper and lower case letters in a given string.

swift Challenge 008: Check if a string is a pangram

Write a program to check if the string entered by the user is a pangrams. Pangrams are sentences constructed by using every letter of the alphabet at least once.

swift Challenge 007: Luhn's Algorithm

Validate credit card number with Luhn's algorithm

Swift Challenge 006: Stringify even numbers

Take an array of numbers, concatenate the even numbers as a string

Swift Challenge 005: Sort comma separated words

Write a program that takes a comma separated sequence of words and prints the words in a comma-separated sequence after sorting them alphabetically.

Swift Challenge 004: Factorial of n

Write a program to compute factorial of a number.

Swift Challenge 003: Unique elements of two arrays

Write a program to make an array of unique elements from two arrays. Sort the output array.

Swift Challenge 002: Check if a string is palindrome

Check if a string is a palindrome -- it reads the same forwards as backwards like racecar

Swift Challenge 001: Divisible by 7 but not a multiple of 5

Program to find all numbers which are divisible by 7 but are not a multiple of 5, between 2000 and 3200

Testing Beego Applications

Automated testing for Beego applications

Common Flask Errors And Their Solutions

Errors I encountered while developing flask applications and their solutions.

Introduction To Sailsjs Testing

Basics on getting started with testing Sailsjs apps

Analysing Twitter With ELK Tools

Logstash, ElasticSearch & Kibana makes it easy to analyse any logs. In this post, I analyse twitter stream for AppSec tweets with ELK tools.

Installing Sailsjs On Webfaction

Let us see how to install sailsjs on webfaction and how to serve this app to the world.

Getting Started With Sailsjs

Sailsjs, like any web-framework has many parts. Lets get it installed to start developing with it.

Understanding Django Template Tags

What are the benefits of django template tags than functions?

Accessing Flickr Photos with Python

Working python code to access flickr photos from python

Say In Pixels - a photoblog in Django

A photoblog coded in Django

A free (but superb) Django hosting

If you don't want to pay heavily while learning Django, try a free hosting service

Handling ManyToMany field in Django

Sample code to handle M2M in Django

Building a Book Inventory in Django

Learn Django by building a tool

Pagination in Django

how to enable pagination in django

Learning to test

testing django applications.

Django application as a stand-alone desktop application

How to package Django apps as stand-alone desktop apps?

My frustration with packaging django

Packing Django application as desktop apps is a frustrating experience.

A Simple 'Twitter' clone in Django

create a twitter clone in Django for internal use

My Django workspace

tools and settings to get started with django

Using Outlook Object Model

Using outlook object model to send emails.