Yang Yang – Page 25

HTML CSS Drop Down Menu Made Easy – SuckerFish Enhanced

2 Comments / CSS & HTML Tips / By Yang Yang / January 19, 2009

There’s a pure css drop down menu named SuckerFish published at ALA. Really straightforwardly clean code and simple drop menu script, however it might be friendlier for developers if it’s combined with the li:hover hack for IE6. The HTML: <ul id=”nav”> <li><a href=”#”>bodycare</a> <ul> <li><a href=”#”>lotions</a></li> <li><a href=”#”>creams</a></li> <li><a href=”#”>balms</a></li> <li><a href=”#”>butters</a></li> </ul> </li> <li><a …

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CSS selector:hover Hack for IE6

30 Comments / CSS & HTML Tips / By Yang Yang / January 19, 2009

IE 6 and lower versions of IE only implemented :hover for tag a. As per CSS 2.1 specification, all HTML tags / elements have :hover state so that when mouse pointer hovers over, different styles can be applied to them. li:hover is one of the frequent reasons why you need this hack. First, you have …

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Write and Run PHP with HTML

2 Comments / PHP Tips & Tutorials / By Yang Yang / January 19, 2009

Pure HTML is static text files with dead content that want everything but to change. However by the help of a service scripting language such as PHP, HTML can be dynamic and changes every time you make a different request to the server. PHP is born with HTML rendering in mind. So it’s plain easy …

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PHP: Run HTML as PHP

2 Comments / .htaccess Tutorials & Tips, PHP Tips & Tutorials / By Yang Yang / January 19, 2009

The last time I end up with hundreds of HTML files with PHP codes dispersed in them. Tried to rename them all to .php but failed. To use them and enable the php code within, I have to run the HTML files as PHP. How Apache web server works in resolving .php requests Apache gets …

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Create SQL Auto Increment Column (ID: Primary Key) in Table

5 Comments / SQL / MySQL Tips and Tutorials / By Yang Yang / January 17, 2009

With database development, a perfect data structure paradigm is that data records should all be uniquely distinguishable from each other. Therefore when you are designing and creating data fields or columns for an entity, you must always have an identifying column or field for each and every of the records stored in a table, enabling …

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PHP: File Upload Script (HTML Form + PHP Handler Class)

8 Comments / Free PHP Classes & Library, PHP Tips & Tutorials / By Yang Yang / January 15, 2009

It’s sometimes cumbersome to handle uploaded files — checking if it is really uploaded, moving and renaming. Why not writing all these chores into a class and make our own file upload script? First we are going to create a simple class to handle uploaded files and move them to some place we designate for …

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PHP: Resize Image and Store to File

28 Comments / Free PHP Classes & Library, PHP Tips & Tutorials / By Yang Yang / January 15, 2009

While there are a lot of methods for you to resize images with php, we will be using extension gd this time. Make sure you or your hosting company has installed it in the php distribution by running <?php if (extension_loaded(‘gd’)) { // return true if the extension’s loaded. echo ‘Installed.’; } else { if …

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Update your theme to WordPress 2.7 with Comments Threading and Paging

3 Comments / WordPress How To / By Yang Yang / January 15, 2009

Well dismiss me if I’m a little too late for this but just now I encountered this client who needs to update a wordpress theme, the comments section or comments.php to be precise, to accommodate some of the new features introduced in WordPress 2.7, comments threading and comments paging. The easy way — for new …

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HTML Form doesn’t upload the file?

CSS & HTML Tips / By Yang Yang / January 14, 2009

You had the <input type=”file” /> in place, however it just doesn’t seem to be uploading at all at the client side. After choosing a rather big file, the form submission and page reload finish in seconds, what’s wrong? Well, it’s almost certain that you have forgotten something. Try adding property enctype to <form>: <form …

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PHP4 Class – differences from PHP5

4 Comments / PHP Tips & Tutorials / By Yang Yang / January 14, 2009

Creating a rather simple custom CMS on my client’s server, everything seems ok until I start testing out some of my ready made proprietary PHP classes. The problem is that I make things in PHP5 and all the classes are in PHP5 format. Quickly searched and scanned through some old tutorials for PHP4 about creating …

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You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax …

PHP Tips & Tutorials, SQL / MySQL Tips and Tutorials / By Yang Yang / January 13, 2009

Scratching your head for a mystic error in your SQL query? No matter how you look into it, it just seems right and should by the God’s name work as you have wished. But it doesn’t and keeps pumping out annoying SQL syntax errors. Don’t panic, I have a few tips on this that might …

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PayPal Policy Update, 2009/01

1 Comment / PayPal & Ecommerce / By Yang Yang / January 13, 2009

PayPal is by far the most popular international merchant service. The newest update of their policies is carried out through the end of last year, 2008, and a lot of provisions are effective ever since. Some of the key points include: You may not use PayPal service for prohibited activities involving gambling, gaming and/or any …

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Top Sites Visited on Internet, Download the Free Top Sites List (Top 1,000,000 Sites in Traffic)

4 Comments / Business and Marketing, Content / SEO Tips & Tutorials / By Yang Yang / January 12, 2009

Alexa, the traffic company under Amazon is now releasing the top sites ranking data free. Updated daily, it’s currently the most authoritative top sites ranking data by traffic you can find on the Web. Download the list here. It presents the 1 million sites most visited around the globe. Other than Alexa, you can also …

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Free Reverse Domain & IP Tool for Other Websites or Domains on the Same Server

3 Comments / Hosting Tips & Deals, Internet Tools / By Yang Yang / January 11, 2009

Privacy policy? You don’t have privacy anyway. Well that’s just a saying about how you can never be private on Internet as it’s always possible to digg out who you are in real life by bits and pieces you left about yourself everywhere on the Web. Reverse domain tool comes handy when you want to …

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Free Online Visual Trace Route Tool

HTTP Tips & Tutorials, Internet Tools / By Yang Yang / January 11, 2009

Trace route (command) is a common network diagnostic tool to debug network problems or check how data is passed through the whole network through all different kinds of computers, routers and such. A visual trace route tool, however, draws the data passage in illustrative diagrams or on a map for visionary perception graphically. You Get …

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PHP String Length function to Get Length of Strings in PHP

1 Comment / PHP Tips & Tutorials / By Yang Yang / January 10, 2009

String is probably the most used data type in PHP as it is a templating language in nature. PHP string counts for a big part of your coding. Not to mention most of us use PHP to do what it does the best — serving web pages, involving a lot of strings all the way. …

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PHP Array Length Function to Get Length of Arrays

1 Comment / PHP Tips & Tutorials / By Yang Yang / January 9, 2009

PHP Arrays are collections of items identified and ordered by index. Array length is just the number of elements it contains. For an array: <?php $greetings = array( ‘Good morning!’, ‘Good afternoon!’, ‘Good evening!’ ); ?> The length of array in PHP code above is simply the number of strings contained in it, in this …

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Which is better for AJAX requests, GET or POST?

AJAX Tips and Tricks, HTTP Tips & Tutorials, JavaScript Tips & Tutorials / By Yang Yang / January 9, 2009

As per HTTP protocol specifications, client browsers send http post requests in two-step processes: 1) send the headers, 2) send the data. Therefore, for websites with high volume traffic, it’s definitely preferable to choose GET method for AJAX requests over HTTP, because all it takes for GET to get out is a URL request, which …

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Extended CSS Sprites for Foreground Images <img>

5 Comments / CSS & HTML Tips / By Yang Yang / January 9, 2009

CSS Sprites is a popular way to reduce image requests to the server and hovering lag to load another background image cased by network latency. Jenny has also devised a technique for foreground image CSS sprinting by Extending CSS Sprites which in essence bears all the merits of the original CSS Sprites method. Basic concept …

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Author name: Yang Yang