How to Set Up a Facebook Messenger Bot/App

Simplified Architecture Create a Facebook Page Create a Facebook Messenger App SCROLL DOWN…… SELECT EVERYTHING RELATING TO THE PAGE YOU CREATED Webhook must be listening and ready when you click Verify and Save. It must echo back the challenge as text that FB sends to...

HTTPServer

HTTP Server example written in Java using HttpExchange.  View the code on...

Setup Git with Existing Python Project in PyCharm

Create a local python project. Add files to the project. You decide that you want to use a VCS. Menu – > VCS -> Import into VCS – > GIT -> Create GIT Repository. Right click on Project -> Git -> Commit directory. Go to GitLab / GitHub /...

Facebook Messenger Webhook Implementation

Java implementation of a Facebook Messenger Webhook. Note that it is a requirement to have an SSL certificate for the webhook. For development, I did not have a certificate, nor a public IP. I got around that by registering an account at NGROK and letting NGROK handle...

Java Inheritance Demo

A simple demonstration of which methods get called at which point when there are many levels of inheritance, some with overridden methods and others without overriding methods.  View the code on...

Java Collections.binarySearch(..)

How Collections.binarySearch(…) works. Useful method for finding an element or inserting an entry in the correct ordered position within a collection.  View the code on...

PHP Arrays

PHP array syntax example:   View the code on Gist. View the code on...

A Few WordPress Database Queries

A few basic WordPress database queries as an example, to gain basic insight into the WordPress database entity relationships:   View the code on...

Java SNMP Trap Receiver and Sender

A java example of an implementation of an SNMP Trap Receiver and SNMP Trap Sender.   SNMP TRAP RECEIVER JAR Required: snmp4j.jar at http://www.snmp4j.org/html/download.html View the code on Gist. JAVA SNMP TRAP SENDER JAR Required:  snmp4j.jar at...

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