UI / UX
October 3, 2017
How to Update and Delete an Event with Google Calendar API using PHP
Updating and deleting an event with Google Calendar API. Contains a demo.
June 2, 2017
Google Refresh Tokens : Answers to Some Common Questions
This article contains answers to common questions and confusions related to Google refresh tokens.
January 24, 2017
How to Install Apache, MySql, PHP & phpMyAdmin on Ubuntu 16 (LAMP Stack)
A tutorial on how to install the latest versions of Apache, PHP, Mysql and phpMyAdmin on Ubuntu 16.04
January 18, 2017
How to Upload to S3 Using PHP (AWS Signature v4)
This is a tutorial on uploading files to S3 using PHP, with AWS Signature v4.
January 10, 2017
How to Detect User Timezone in PHP
January 4, 2017
How to Add an Event with Google Calendar API using PHP
A tutorial on adding events with Google Calendar API v3 using PHP. Contains a demo.
December 27, 2016
Login with Pinterest using PHP
Pinterest OAuth API provides a simple way of integrating "Login with Pinterest" feature in your web application. Through this you can implement login and signup in your website. This tutorial explains the implementation of the login process using PHP.
December 22, 2016
Login with Instagram using PHP
Instagram OAuth API provides an easy way of integrating "Login with Instagram" feature in your web application. You can implement login and signup with Instagram in your website using PHP. You can also fetch data of the user such as name, picture etc.
December 13, 2016
How to Execute a Script at Specific Time, Only Once, using PHP
Sometimes it is required to execute a PHP script at a given time, only once. Instead of using a cron job, schedule it through Linux "at" command.
November 25, 2016
2 Ways of AJAX File Upload - FormData and FileReader
A file can be uploaded with jQuery in 2 ways. The first method is implemented using FormData where a multipart/form-data POST request is sent. The second method is uploading using FileReader where a normal POST request is sent.
November 23, 2016
Using Server-Sent Events for Logged-in Users
A tutorial on how to implement Server-Sent Events for logged-in users. Server will send updated content specific to that logged-in user.
November 19, 2016
Google APIs : Handling Access Token Expiration
Google access tokens expire after an hour. But instead of asking the user to re-login, it is better to refresh the old access token without any user intervention.
November 17, 2016
Login with Google using PHP
Google OAuth API provides a simple way of integrating "Login with Google" feature in your web application. Through this you can implement login and signup in your website. This tutorial explains the implementation process using PHP. User data such as name, email can also be fetched.
Useful Angle on Facebook
Useful Angle on Twitter
Useful Angle on Google+
© UsefulAngle.com 2017. All code MIT license.