About Hoan Huynh
Hoan Huynh is the founder and head of 4rapiddev.com. Reach him at
hoan@4rapiddev.com
Display Site Down Or Maintenance Message In ASP.NET Web Application
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Hoan Huynh in
Tips And Tricks
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When you’re making big changes or performing maintenance on a site that requires hours or days to finish, you should bring down your ASP.NET web application in a convenience way and display Site Down or Maintenance message to your visitors. Continue reading →
Tagged: app_offline, ASP.NET, HTML
JQuery Create Textbox With Count Down Limit Characters
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Hoan Huynh in
Javascript
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Meaning user no longer be able to input text after hitting a specified maxinum characters (including spaces). And if the length of the string in the input field is greater than the max value; in case use copy & paste … Continue reading →
Tagged: JQuery, keyup, val
Monitor Real Time Visitors, Viewing Pages And Traffic Sources In Google Analytics
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Hoan Huynh in
Internet
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Google Analytics has published a new version and Real-Time is a new and great feature in there which you can access by clicking Home on the top menu then click on Real-Time on the left menu. Continue reading →
Tagged: Google, Google Analytics, Real-Time
WordPress View Large Image Without Leaving Current Page
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Hoan Huynh in
Internet, Tips And Tricks
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In almost WordPress themes, especially with default WordPress themes (twentyeleven, twentyten, etc); when click on a particular image to view the original or large version of the image you have to leave the current page and be redirected to another page with just an image. Continue reading →
Tagged: Lightbox, Lightbox Plus, Wordpress
When we need to implement CAPTCHA
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Hoan Huynh in
Tips And Tricks
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In order to prevent spam, cheating, bot and automated submition script attacks; a CAPTCHA must be presented to the user every time a particular form is performed and the user must successfully pass the CAPTCHA each time they fill out the form. Continue reading →
Tagged: CAPTCHA, Google, reCAPTCHA
Implement Google Captcha (reCAPTCHA) With PHP
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Hoan Huynh in
PHP
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Before displaying Google Captcha (reCAPTCHA), you need to Create a reCAPTCHA key by providing a domain name via http://www.google.com/recaptcha/whyrecaptcha then save the Public Key and Private Key somewhere to configure your application. Continue reading →
Tagged: CAPTCHA, Google, reCAPTCHA, recaptcha_challenge_field, recaptcha_check_answer, recaptcha_response_field
PHP Copy Entire Directory To Another Directory
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Hoan Huynh in
PHP
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This is a PHP function that copy an entire specified directory/folder includes its sub directories/folders and files to another folder/directory. Continue reading →
Tagged: dir, is_dir, mkdir
Facebook Timeline And New Design For Pages
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Hoan Huynh in
Internet
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On March 30, 2012, all Facebook Pages will get a new design. This significant affect the way we’re managing and developing the current Facebook Pages and new Facebook Pages.
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Tagged: Facebok, Timeline
PHP Delete File Function
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Hoan Huynh in
PHP
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This is a PHP function delete a specified file when it becomes unnecessary such as temporary file, log file, back up file, old file, etc. Continue reading →
Tagged: file_exists, is_dir, unlink
Save Table Structure Changes When Remote Access To SQL Server
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Hoan Huynh in
SQL Server
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When remotely connect to SQL Server and edit structure/design of a particular table, it doesn’t allow you to save the changes although it works fine if connect directly to the database server. Continue reading →
Tagged: Microsoft SQL Server Management Studio, Microsoft SQL Server Management Studio Express