Author Archives: Hoan Huynh


About Hoan Huynh

Hoan Huynh is the founder and head of 4rapiddev.com. Reach him at hoan@4rapiddev.com


Feedburner Enable Email Subscription Posted by in Internet | 1 Comment

If you are looking for a free email subscription service which will associate with your RSS feed and will send emails to subscribers whenever you have new contents on your blog or website, I recommend you try Google feedburner Email Subscriptions service. Continue reading

Make Short URL For Facebook Profile, Fan Page Or Application Page Posted by in Internet | 9 Comments

From the beginning, your Facebook Profile URL or Fan Page URL is quite long and so hard to remember. A short url is easier to remember and promote your name/page or application. It also can be used in your marketing communications, company website and business cards. Continue reading

Get or Find Facebook Profile Id Number Posted by in Facebook Graph API | 25 Comments

If you completely forgot your Facebook Profile ID Number or you did make short link for you Facebook profile url and for some reasons, you really need the number. This post will let you know how to find your Facebook profile ID Number. Continue reading

Call Or Open a web page url by using Windows Task Scheduler or CronJob Posted by in Internet | 5 Comments

If you need to call a webpage url automatically in every minutes/hours/daily/monthly or a schedule trigger, you can do this by using Task Scheduler in Microsoft Windows or Cronjob in Linux(Unix) system.
This tutorial below will help to setup the scheduled task on both Windows and Linux Continue reading

Linux Find Out PHP/ MySQL/ MySQLD/ HTTPD … Command File Location Posted by in Linux | Leave a comment

In Linux/Unix, the whereis command will help to find out which command shell executes and to print binary (command) file location for specified command. It could php, mysql, mysqld, httpd, … or a particular command. Continue reading

PHP Login Or Sign In With Google Account By OpenID Posted by in PHP | 14 Comments

If you allow your users can participate your website/service by logging with their current Google Account, that’s really a great idea. The PHP script below will let you know how to do this. Continue reading

PHP Auto Post A Story Content To Digg, StumbleUpon, Tumblr and LinkedIn Posted by in PHP | 6 Comments

I’m using WordPress for my technical blog and I want to post my articles to Digg, StumbleUpon, Tumblr and LinkedIn – very popular social bookmarking websites. I start looking for a PHP Class or Function to submit a story content or link url automatically Continue reading

PHP Get Current Web Page URL Posted by in PHP | 1 Comment

If you are asking how to get current web page url that is being shown in the browser URL bar or which page url your visitor is browser for some reasons. You can do this with a PHP function below: … Continue reading

Change or reset MySQL Root Account Password Posted by in MySQL | 2 Comments

If you want to change,update or reset your MySQL account (ex: Root) password under Microsoft Windows and Unix Environment including Ubuntu, Debian, CentOS, Fedora, RedHat, Arch Linux, SUSE, … you can use MySQL command, phpMyAdmin or mysqladmin command Continue reading

CentOS install PHP Json Extension by using PECL Posted by in Linux | 1 Comment

This tutorial will show you steps to install PHP Json Extension on your Linux web server, this case is CentOS. This process is very fast and simple. Continue reading