Develop Facebook messenger bot using Javascript – Part 1

facebook chat bot

Last month Facebook launched their messenger platform (beta) which provides API and tools to create a chat bot for facebook messenger. Since then many developers have started building facebook messenger bots! I love trying new stuff, So I started building one.

I developed a Wikipedia bot for messenger to get started. We’ll be building the same bot in this tutorial. Continue reading…

 

AngularJS for complete beginners

angularjs meme

AngularJS! One of the most popular javascript frameworks available today. Angular is widely used, be it an Intermediate web developer or enterprises like IBM, Paypal, Google etc everyone is using it. In fact AngularJS is maintained and supported by Google. Continue reading…

 

React Native blank white screen issue (solved)

Recently I started working with React Native and got a blank white screen after installing the example app.

I generated a basic app using react-native init testapp first and installed it on my android device using react-native run-android. When I opened the app, Its a blank screen. I’m sharing the reason for blank screen and solution for it. Continue reading…

 

Parse HTML in Excel VBA – Learn by parsing hacker news home page

parse html in vba

Why parse HTML in Excel VBA? There may be different cases where we need to parse HTML in Excel. Few cases are generating multiple HTML files based on excel data, editing multiple HTML files, scraping some data etc. Continue reading…

 

Animated drops SVG loader using Javascript

svg loader using javascript

This Awesome SVG loader is coded using SVG, HTML, CSS and animated using Tweenmax coded by Peter Barr Continue reading…

 

The Complete list of all MIME Types updated – 2016

complete list of all mime types 2016

This list is taken from Sitepoint but updated with few other MIME types used in 2016 Continue reading…

 

How to display maths formulas and equations in a webpage

Maths equations in web page

Writing this post reminds me of those scary maths formulas that we used in school and college! I don’t remember any of those formulas now. Recently I was working on a web app which displays question papers and their answers helping the students with their last minute study. So we also have to show some maths formulas, physics equations etc

Let’s see an example of a maths equation. Continue reading…

 

how to generate link preview in your webapp

free link preview service

What is link preview? Let me show you instead of explaining. Have a look at these images below. Continue reading…

 

Create Auto responding google form with 2 lines of code

One of the most requested features in google forms is auto-respond but still it is not built in with google form. But we can add this feature with just 2 lines of code! Yes, you heard it right! It’s literally 2 lines of code. Let’s do it. Continue reading…

 

Import Json to excel and export excel to Json

handle Json in excel vba

JSON (Javascript Object Notation) is the most used data exchange format nowadays. Microsoft Excel doesn’t have built-in support for importing JSON to excel or exporting excel data to JSON.

VBA-JSON is an excellent library for parsing JSON in VBA. Lets see how to handle JSON in Excel VBA. Continue reading…

 

XmlHttpRequest – Http requests in Excel VBA

Excel is a powerful and most popular tool for data analysis! HTTP requests in VBA gives additional capabilities to Excel. XmlHttpRequest object is used to make HTTP requests in VBA. HTTP requests can be used to interact with a web service, API or even websites. Let’s understand how it works. Continue reading…

 

Best practices of scraping website data for beginners

In the previous – article, I’ve explained how to scrape a website using selenium VBA and also mentioned that using selenium is not the best method to scrape data always. So let’s talk about different scraping methods and how to choose the best one for a web page. Continue reading…

 
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