Zohaib Rauf - zabirauf || Zohaib

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Zohaib Rauf

Suggestions for onboarding remote Software Engineers

Suggestions for onboarding remote Software Engineers

Onboarding remote Software Engineers can be challenging. Here are some suggestions from my experience of onboarding multiple engineers remotely to make them become part of team.

Why I created a vaccine finder

Why I created a vaccine finder

I recently built findvaccinefor.me [https://findvaccinefor.me] which gets data from WA state sources such as vaccinelocator.doh.wa.gov [http://vaccinelocator.doh.wa.gov] and prepmod.doh.wa.gov [http://prepmod.doh.wa.gov] and presents it in a more convenient way (IMO). I built this over few

Debugging in Google Colab notebook

Debugging in Google Colab notebook

Introduction on debugging in Python Jupyter notebooks with examples in Google Colab using ipdb.

Fence your TypeScript, for saner project boundaries

Solve the problem of dependency creep and add boundaries to your TypeScript project to limit what is exported and imported from a package.

Using path aliases in React Native created with Expo and Typescript

Using path aliases in React Native created with Expo and Typescript

Managing big apps have its own problems and one of them is managing imports. Typescript allows you to have path aliases which makes it easier to refer to modules. In this tutorial we will see how we can use path aliases in React Native app created using Expo and Typescript.

Securing MongoDB using Let's Encrypt certificate

I had to setup few instances of MongoDB in DigitalOcean [https://m.do.co/c/1fe978d3b5b4] but I also wanted to make them secure using TLS/SSL. One way would have been to pay for a wildcard certificate and deal with all the hassle associated with setting up TLS/SSL

Upgradeable smart contracts in Ethereum

Upgradeable smart contracts in Ethereum

Imagine a world where a software is maintaining millions of dollars worth of money, but there is an exploit which allows the hacker to take all that money away. Now imagine you can't do much about it because you can't update your software, so all you can do is wait

Libraries in Solidity for code reusability and testing it

Libraries in Solidity for code reusability and testing it

What are Libraries in Solidity You might have heard of the DRY principle (don't repeat yourself). It is very essential in large programs to have the ability to reuse your code as it makes your code more maintainable and readable. In solidity practicing that principle might not be as straight

Leverage union types in Typescript to avoid invalid states

Typescript has a type system which provides more capabilities than the type system in C# and Java. The one that I found to be very useful is the union type in Typescript. Let's define what a union type is Union Type In javascript libraries you might see that a function

Creating object based on interface type in Typescript

Interface in Typescript is used to tell the compiler what the shape of the JS object should look like. It is a compile time construct hence it will not have generated code as type checking in Typescript is only done at compile time rather than runtime. I'm learning Typescript and

Setting up continuous integration for F# Suave app to Azure

Whenever I start a project I tend to have a continuous build and deployment pipeline setup as it makes the development and testing a lot more easier. In this tutorial we are going to take a look at how to setup a continuous building and deployment pipeline for a F#

Deploying F# Suave web app to Azure using Flynn

I was playing around with F# and Suave to build a service and the first thing I usually do whenever I dive into a new language and web framework is figure out how to deploy it to a public cloud. This helps me create a pipeline so I can test

Use Wit.ai Natural Language Processing in Elixir for bots

When creating bots you have to converse with the users and maintain context of the conversation so you can understand the intent of the users, do the necessary actions and provide users with the information they need. Doing it all by yourself is a large undertaking as it involves doing

Create messenger bots using Elixir and Microsoft bot framework

Microsoft recently released the bot framework [https://dev.botframework.com/] to create bots for various messaging platforms such as Slack, Facebook, Telegram etc. It provides a unified interface for all of these platforms so you can reach your customers wherever they are. In this tutorial we are going to see

Redux - Calling web service asynchronously

> The store in Redux should be synchronous and should not have any side effects. How can you then make service calls or do anything asynchronously? That is the question I was asking myself when I started using Redux with react-native. I needed to make calls to Google web services but

Venture into Ethereum - The World Computer

Venture into Ethereum - The World Computer

You might have heard of Bitcoin which is the hottest cryptocurrency on the block, but certainly not the only cryptocurrency. People are getting all gaga about it. The most exciting thing of bitcoin is not the bitcoin itself but the technology behind it called blockchain. Blockchain allows you to have

Guts of Phoenix websocket channels

> Final results from Phoenix channel benchmarks on 40core/128gb box. 2 million clients, limited by ulimit#elixirlang [https://twitter.com/hashtag/elixirlang?src=hash] pic.twitter.com/6wRUIfFyKZ [https://t.co/6wRUIfFyKZ] — Chris McCord (@chris_mccord) October 28, 2015 [https://twitter.com/chris_mccord/status/659430661942550528] I knew that Phoenix

Workflow for static frontend development (Gulp + ReactJs + ES6)

Getting into frontend development could be overwhelming. I recently started learning more about frontend development. My intent is to build some static websites to try out things like IPFS [http://ipfs.io]. I wanted to have a productive workflow that allows me to create project, build it, test it, run

What's 'use' statement in Elixir?

> use just calls the __using__ macro on the specified module. You might have run into that explanation of use but that does not explain much even though that's exactly what it does. You might have used the use statement in Elixir if you run into using OTP, Phoenix, Ecto or

P2P WebRTC file sharing app: Frontend using React & Flux

React [http://facebook.github.io/react] is one of the frontend framework that everyone is talking about these days. I wanted to see what all the fuss was about and also learn a modern JS framework in the process, hence I used React in building filecha.in [http://filecha.in]

phoenix-framework

P2P WebRTC file sharing app: Broker using Phoenix

WebRTC was created primarily for video and voice communication but it has the API to send raw binary data between two browsers as well. This opens up a lot of opportunities to create more peer to peer web application which are supported by modern browser. There are already a lot

Binary pattern matching in Elixir with PNG parsing example

Dealing with binary data has always been a pickle in OOP language. Pattern matching is very fundamental to Elixir making the functions much more descriptive. I was very pleased to see that the pattern matching was not just limited to tuple, list etc. but extended to binary data as well.

elixir Featured

Spacemacs and Alchemist to make Elixir of immortality

Ok, lets be clear; this post is not about immortality, that will be for next time :). Instead its about transitioning to a combination of Emacs, Vim and Alchemist for an awesome development experience for Elixir. My setup for development in Elixir relied upon combination of Vim and Tmux, as for

phoenix-framework

How to reliably start a service with UpStart

I recently had to start a service in Ubuntu server but I wanted it to be reliable. By reliable I mean it should be restarted in case of any failure and on machine restart as well. I stumbled upon UpStart which comes by default with Ubuntu and does exaclty what

Monads in Elixir

This post is not about what monads are, I expect that you already know about them. The post is to see how you can use monads in Elixir using already created libraries. Monads are a great way of handling side effect in functional language. It makes the code much more