<a href="/">Home</a> |
<a href="/about/">About</a> |
<a href="/contact/">Contact</a>

I guess it’s OK to do that, but it’s not really great practice because the pipes ( | ) are not actually part of the content and are only meant for presentation, so they shouldn’t really be part of the HTML. Another problem with this is that it’s inflexible. What if we want more space between the pipes and the links? Do we enter a bunch of “ ”s? That’s ugly^.

We can use the CSS border property to add the separators for us by adding a left-border to each of the links.

“But what about the first link?“

The answer is the :first-child CSS pseudo-selector. It allows us to define CSS properties to the first element of its kind within a container. So in this instance, we can apply no border to the first child. Here’s how the lot would look:

<ul id="footer">
	<li><a href="/">Home</a></li>
	<li><a href="/about/">About</a></li>
	<li><a href="/contact/">Contact</a></li>
</ul>

ul#footer li {
    display:inline; /* so they display horizontally */
    border-left:1px solid #000000; /* our 'pipe' */
    padding-left:1em;
    padding-right:1em;
}
 
/* here it is, the first-child pseudo-selector */
ul#footer li:first-child {
    border:none; /* no 'pipe' before the first element */
}

It requires a bit more coding initially but it’s more elegant because it separates concerns and it’s also more accessible for screen readers and our friendly neighbourhood search engines*.

^ I know, this very site doesn’t follow this site doesn’t follow these practices. I’m a hypocrite!
* FACT

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Warning: Unknown([PATH HERE]): failed to open stream: No such file or directory in Unknown on line 0

Some other Fatal error came up but I forgot to copy it, sorry.

The error message is unhelpful but it was pretty easy to fix. I just deleted the .htaccess file from the root and tested. It worked! After restoring a backup of the .htaccess file everything worked. Hooray!

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The turnaround time for Barrabool Rural Protection Group’s blog was 42 hours including domain registration and discussion.

Have a look at Barrabool Rural Protection Group’s site to learn more about how they want to protect McAdam Park from over development as a result of a new motorbike / motorcross track.

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• Launched: Adamas Fishing Charters - Sports Fishing in Bass Strait
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• Gallery2 instead of miniGal for photo gallery management
• Pretty Smarties, logon2’s very own Template System, was used to keep pages consistent and content separated from presentation at source.
• Working with PHP as CGI on an external server

Artist Guysel in logon2’s folio

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This can happen when you try doing a HTTP redirect or send HTTP 404, as it can happen whenever you try to send headers once they’ve already been sent. When a user sees this, they are basically left high and dry, often on a blank page. The solution is simple:

Detect if Headers Have Already Been Sent

Whenever you call header(); , call headers_sent(); first!

Example:

1
2
3
4
5
6
7

    if (!headers_sent()) {
        header('Location: ' . (!$absolute ? HOME_URL : "") . $page);
        die();
    } else {
        echo "\n\n<p>Couldn't redirect to " . htmlentities((!$absolute ? HOME_URL : "") . $page) . ", headers already sent.</p>\n\n";
        //do something here...
    }

Of course you should probably do thing useful

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This is the simple PHP template system which integrates Pretty URLs and Smarty Templates. The release is only two months later than I said, but I’ve made the release fairly decent. Here’s a rundown on the system:

Features

• Uses the Smarty template engine to place content and render templates. Smarty is easy to learn and well known.
• No actual PHP programming required, just HTML and a few Smarty tags
• Low overhead - no database calls and Smarty compiles templates
• Employs ‘pretty URLs’ by default - with automatic redirects for malformed  URLs and 404s for bad requests
• Content  inheritance from default or parent pages
• Support for dynamic content
• User friendly, automatic installer with optional sample templates and content

License

Pretty Smarties is licensed under the GNU General Public License, and includes code from WordPress, another GPL project.

Still to Come

• Pretty variables (Pass variables through a pretty URL)
• Support for GET variables (Currently unsupported - very easy to fix)
• Object orientated design
• Warnings for missing 404s, favicons
• Consistency improvements

Download Now

Pretty Smarties 0.5

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Have you ever been working on a website and noticed that in certain browsers a background image isn’t blending properly with one of your background colours or another image? This phenomenon occurs in Internet Explorer and it’s caused by metadata in the PNG file itself. There’s a great program that solves this problem without any hacks.

The problem? Gamma. Some programs (like Adobe ImageReady) export PNGs with Gamma metadata. While I’m sure this metadata could be useful, it causes colour inconsistencies in Internet Explorer (6 and 7 confirmed.)

Solution - TweakPNG. Download this Windows program - consistent PNGs are X steps away:

1. Open TweakPNG
2. Load the problem PNG into TweakPNG (Either drag and drop or File > Open)
3. In the list of “Chunk”s, select “gAMA” and press the delete key.
4. Save (Ctrl+S or File > Save)

Done.

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Unfortunately, this effect can’t be achieved without knowing and entering the width and height of an image - making it kind of tedious to implement. After deciding that I’d like to use it with wordpress posts, it was decided that a tool should be built. And then The Lovely Caption Maker was born. Here’s an example of Lovely Caption Maker’s glory:

This Is How We Party

Expressing ourselves on the last day of year twelve in 2006. Very sexy stuff.

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Go with Adamas Fishing Charters to catch Mako Sharks, Thresher Sharks, Blue and Bronze Whalers, Snapper, Tiger Flathead, Barracouta, Squid, Gummy Sharks, Seven Gill Sharks, Yellowtail Kingfish, St. George Whiting, Trevally, Salmon, Calamari, Pike, Flathead and Tuna.

View Adamas Fishing Charters logon2 Portfolio Profile

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Setting Up Apache’s “mod_rewrite” Modul

To implement these URLs with Apache, you will need to have the mod_rewrite module enabled. Here’s how to enable mod_rewrite:

1. Open the httpd.conf file from the …apache/conf/ directory
2. Uncomment the line “LoadModule rewrite_module modules/mod_rewrite.so” (by removing preceding #)

If you have more than one virtual server or directory set up, you might have to add something like this as well:

<Directory "PATHOFDIRECTORY">
    AllowOverride all
    Order allow,deny
    Allow from all
</Directory>

Next, you need to create a file named “.htaccess” at the website’s root directory (if you haven’t got one already)

In your .htaccess file, add the following rules:

<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>

This will redirect all requests that don’t point to an existing file or directory to ‘index.php’.

You might (or might not) be thinking “How does that help implement clean URLs?” The next part will answer that question, but before proceeding - test your new Apache config and .htaccess file - restart Apache if necessary and try loading a directory that doesn’t exist (ie. http://yourwebsitehost/page/5/your-information/). If it loads your index.php page - we’re ready to continue.

Getting PHP to Interpret The URLs

Ok, the hard part is done. Now I’ll explain what we want when a user requests a page:

1. User requests “/page/5/your-information/”
2. Apache redirects the request to “index.php” without changing the user’s URL
3. index.php breaks up the requet URI and loads page.php instructing it to load page ‘5′

This might seem a bit difficult (or, if you’re experienced, very easy) - it honestly is rather easy. Once you understand how it works, you might decide to do it differently, but here is a really simple example of a website that contains information ‘pages’ and information about the ‘authors’ of those pages.

In our example, we have three php files:

• index.php
• page.php
• author.php

“index.php”

<?php
//$urlVariables is an array that contains the different bits of information in the request.
$urlVariables = explode("/",$_SERVER['REQUEST_URI']);
//If the user requested '/page/6/about-elephans/' then $urlVariables[1] would be 'page', $urlVariables[2] would be '6' and so on.

if ($urlVariables[1] == "page") {
//the user is requesting an information page
    include "page.php";
} elseif $urlVariables[2] == "author" {
    //the user is requesting author information
    include "author.php";
} else {
    //load the home page
    include "default.php";
}?>

“page.php”

<?php//load an object that deals with pages (to keep the tutorial simple)
include "classes/page.php";
$page = new page;
//$urlVariables will contain the page id as the 2nd array element (ie. /page/pageid/page-name-here/)$page_id = $urlVariables[2];
//the page name part of the URL is ignored when loading because we only use ID to load pages - it's just good for search engines and people.

//get the page class to load the page
if ($page->load_page($page_id)) {?>

<h1><?php echo $page->page_name(); ?></h1>
<p><?php echo $page->page_content(); ?></p>
<p>Written by <a href="<?php echo $page->author_url(); ?>"> <?php echo $page->author_name(); ?> </a></p><?php

} else {

    //error!
    include "error.php";
}>

“about.php”

<?php

//load an object that deals with authors (again, to keep the tutorial simple)
include "classes/author.php";
$author = new author;
//$urlVariables will contain the page id as the 2nd array element (ie. /author/authorid/author-name-here/)
$author_id = $urlVariables[2];
//again, the author name part of the URL is ignored when loading because we also only use ID to load authors - it is just good for search engines and people.

//get the author class to load the page
if ($author->load_author($author_id)) {?>
<h1><?php echo $author->author_name(); ?></h1>
<h2>Bio</h2><p><?php echo $author->author_information(); ?></p>
<h2>All pages by <?php echo $author->author_name; ?></h2>
<$php echo $author->page_list; 

} else {
    //error!
    include "error.php";
}
?>

Now that example was probably a bit excessive. Here’s a basic overview of how it works:

1. The index.php page is loaded, and ‘explodes’ the request part of the URL into an array ($urlVariables in the example)
2. You then interpret the array elements to decide what to show to the user. ($urlVariables[1] determined whether to show a page or an author profile and $urlVariables[2] was an ID for either the page or the author in our example)

It’s that simple. This method is SUPER flexible if you build a strong framework around it.

Good luck!

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While working on an update for Once Upon a Bride’s handmade jewellery website, I had to overcome a certain bug or problem in Internet Explorer that caused images loaded into Loader Components to render incorrectly and scale incorrectly, usually with incorrect width and height. This was occurring after loading about 12 - 15 images.

So instead of loading them all at once, I made it load only eight images, and let the users view a page of eight at a time. The only problem I had was clearing the old thumbnails before loading the new ones.

The Solution

The Solution After a bit of looking around, here’s the code:

function clearMovieClips(parentMovieClip) {
	for (obj in parentMovieClip){

		if (typeof(parentMovieClip[obj])=="movieclip"){
			parentMovieClip[obj].removeMovieClip();
		}
	}
}

The Proof

Now a nice before and after shot:

Before:

After:

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In JavaScript terms, I needed to be able to add (or create) and remove (or delete) elements, within another element, the form. After a little bit of research on the internet, I had what I needed to do just that. See a basic example of javascript dynamically adding and removing elements… Here’s how to do it:

To begin with, here’s the commented JavaScript code for adding an element using the DOM in JavaScript

function appendElement(containerId, newElementId, newElementContent) {
	//First, we need to create a new DIV element
	var newElement=document.createElement("div");
	//New we will give it the specified ID so we can manage it later if necessary
	newElement.setAttribute("id", newElementId);
	//Insert the HTML content into the new element
	newElement.innerHTML=newElementContent;

	//Get a reference to the element that will contain the new element
	var container = document.getElementById(containerId);
	//Now we just need to insert our new element into the containing element
	container.appendChild(newElement, container);
}

And here’s the commented JavaScript code for a function to remove elements:

	function removeElement(parentId, elementId) {
	//Get a reference to the element containgint the element we are removing
	var parentElement = document.getElementById(parentId);
	//Get a reference to the element we are removing
	var childElement = document.getElementById(elementId);
	//remove the
	parentElement.removeChild(childElement);
}

And that’s it. Of course, this by itself isn’t going to do much. Though with a little bit of imagination, these functions can help you improve the usability or usefulness of your website.

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What makes this solution so great is it means that you can easily add new articles, products and pages to your website whenever you want - and without learning anything about web design! It’s just like sending an email, except you’re writing an email for all of your customers and potential customers. The picture further below is a shot of the software used to create this page you are looking at right now.

Here are some of the HUGE benefits:

• You can add and update content whenever you like
• Adding new pages, articles, products is as easy as using Word
• Customers can subscribe by email, and new articles can be sent to customers automatically!
• Get more visitors and customers through search engines
• Keep visitors interested in your site for longer with more for them to read
• Receive feedback on any page
• Make it easy for readers to share your pages with other people

Screenshot of the blog software I used to

post this article in less than 10 mintes…

Try It Out Yourself, Now!

After seeing so much success for my own site by using a blog, I really want to give my customers the same opportunity. So I made a demo blog that you can look at, write demo articles, edit the articles and delete articles…

View the demo blog
Manage the demo blog
Username: demo
Password: demo

The whole “blog” section of the logon2 website and a huge amount of the specific information including the portfolio, areas serviced by logon2, and detailed explanations of some of logon2’s services. Over 60 pages (and constantly growing) of content, all linked and organised, automatically sent to subscribers and bringing over 400 of visitors a week through search engines

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I personally developed the original WizzComb website in 2004, being only the second website I had ever developed it was pretty abysmal when it came to standards, accessibility and even good markup form. The website became out of date so after some tinkering, the WizzComb website is now fresh, valid, accessible, SE-Friendly and better looking.

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Web Traffic Increases After New Blog Post

“So what, I knew that. Everybody knows that!”, you say? Well that may be true, but there’s more to it. After suspecting that search engines prioritise new content and seing some proof of this, I found that same pattern on this blog…

While looking at some statistics, I noticed that the number of daily search engine visitors correlated with that of non-search engine visitors when new content had arrived on the site. Check out this graph:

More Search Engine Traffic After Adding New Content

This indicates that search engines heavily favour new content, especially on a trusted website. One very weird time I’ve seen this is with the FRR Cinel Nominees website ( a company that does Civil Contruction in Victoria. ) Even with very few backlinks, FRR Cinel ranked #1 for the search term “Civil Contractors Victoria” (which is marginally competitive) for two days after I published the FRR Cinel Civil Contractors Victoria profile in the the logon2 portfolio.

While on the subject of traffic, logon2’s traffic has improve immensely since launching the blog as you might have seen. Thanks to all of you readers! And since this is the first blog of 2008 - happy new year!

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The HTML

After some searching around, the most appealing solution I found was the Suckerfish solution. Using the Suckerfish solution, a dropdown menu can be marked up using semantic HTML - more specifically - lists. Here’s an example:

<ul id="nav">
	<li><a href="#">Menu 1</a>
		<ul>
			<li><a href="#">Submenu 1</a></li>
			<li><a href="#">Submenu 2</a></li>
			<li><a href="#">Submenu 3</a></li>
		</ul>
	</li>

	<li><a href="#">Menu 2</a>
		<ul>
			<li><a href="#">Submenu 1</a></li>
			<li><a href="#">Submenu 2</a></li>
			<li><a href="#">Submenu 3</a></li>
		</ul>
	</li>
	<li><a href="#">Menu 3</a></li>

</ul>

CSS Part 1

As you can see, this is some very clean HTML or XHTML code which is great for search engines, accessibility and validation - not to mention code maintenance. Now, we just need to apply some CSS styles to the elements to turn this list into a dropdown menu or popup menu.

Using the Suckerfish solution, these are the styles to add:

#nav, #nav ul {
	padding: 0;
	margin: 0;
	list-style: none;
}

#nav a {
	display: block;
	width: 10em;
}

#nav li {
	float: left;
	width: 10em;
}

CSS Part 2

That CSS gets the root menu’s visual structure up, now we need to organise the actual dropdown menus. We need to hide the drop down lists until the user hovers over the root of that particular drop down list. To do this, it seems the most accessible multi-platform solution is to move it out of sight using “left:-999em” rather than “display:none” which is known to be inaccessible. On the hover event, we move it back beneath the root using “left:auto” because “left:0″ causes a problem in Opera.

Here’s the CSS for showing and hiding the dropdown lists:

#nav li ul {
	position: absolute;
	width: 10em;
	left: -999em;
}

#nav li:hover ul {
	left: auto;
}

The Special :hover Case of Internet Explorer

Done, you now have a perfectly functioning, semantic, valid, accessible menu - right? Not quite - this still doesn’t work in Internet Explorer because it doesn’t happen to have full support for the “:hover” pseudo class but that’s Ok. Because those geniuses at HTMLDog created Suckerfish - a very small Javascript script that will solve this problem in no time, add this to your head section:

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");

	for (var i=0; i<sfEls.length; i++) {

		sfEls[i].onmouseover=function() {

			this.className+=" sfhover";
		}

		sfEls[i].onmouseout=function() {

			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}

if (window.attachEvent) window.attachEvent("onload", sfHover);

What Suckerfish does is goes through all LI elements in #nav and adds the class “sfHover” onMouseOver (when the user hovers over the list item) and removes the class onMouseOut. Or in other words, it solves our problem.

There’s only one thing left to do, and that’s change a bit of the CSS that shows the dropdown menus to include the new “sfHover”:

Change:

#nav li:hover ul {
	left: auto;
}

To:

#nav li:hover ul, #nav li.sfhover ul {
	left: auto;
}

And that’s it! Here’s a working demo of the valid, accessible HTML and CSS drop down menu.

Solution for Overlapping Elements or Hidden Menu

Sometimes, there’s STILL more trouble. When implementing this menu for Lonsdale Views, I came across a problem - the menus were being obstructed or hidden behind other elements! So I went ahead and used z-index to let the browser know that the menu needed to be on top. Huzzah, it works! Oh, not in Internet Explorer - what a surprise. I spent quite some time searching the internet for a solution…

Eventually I read that Internet Explorer passes z-index from parent to child, so even if you give a “4th generation” element a z-index of 1000, the z-index can’t be greater than the lowest z-order of any parent elements!

The solution to your menus being obstructed or hidden behind images, hidden behind pictures, hidden behind text, hidden behind flash, hidden behind everything:

Give each parent element of the #nav element isn’t common with the obstructing element a HIGH z-index (let’s say, 100) and give the element containing the elements obstructing your menu a LOWER z-index (let’s say 0)

For example, if this was part of your page:

<div id="container">
	<div id="topbar">
		<ul id="nav">
			... the menu code is here ...
		</ul>
	</div>

	<div id="content">
		... the element(s) that obstruct or are hiding your menu ...
	</div>
</div>

You could use this CSS to remedy your problems:

 #topbar, #nav {
	z-index:100;
}

#content {
	z-index:0;
}

Hope this has saved you some time and taught you something. If you really appreciate it, leave a comment and even go and say thanks to the crew at HTMLDog - this is all because of them!

Flash Objects Obstructing or Overlapping Menu

Sometimes, even when all of the CSS is correct, your menus might be overlapped by flash objects. For example, when you hover over, your CSS menu is hidden behind a flash object. The solution to this is actually somewhat simple and cross-browser. All that you need to do is add the transparency parameter to your embed / object code, like so:

<object type="application/x-shockwave-flash" width="100" height="100">
	<param name="wmode" value="transparent" />
	<param name="movie" value="flash.swf" />
	<embed wmode="transparent" src="flash.swf" width="100" height="100" />
</object>

Notice how “<param name=”wmode” value=”transparent” /> has been added? Also, don’t forget to add the ‘wmode=”transparent’” to the EMBED tag - that is imporant for non-Internet Explorer browsers. Now obviously, you need to change the “src” attributes and the movie value to whatever the URI of your flash file is.

Happy coding!

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So in my case, the function is fed a YouTube URL and returns the video id variable (v) - So an example:
Input: http://au.youtube.com/watch?v=le860Jd-FqI&feature=related
Output:
$output['v'] = “le860Jd-FqI”
$output['feature'] = “related”

And so witout further ado, here’s the actual code:

function getVariableFromUrl($url) {		//we need to see if this URL is passing any GET variables

 	$variablesStart = strpos($url, "?") + 1;

if (!$variablesStart) {

 		// no variables!

 		return(false);

 	}

//before we extract the variables, we need to remove any anchors

$variablesEnd = strpos($url,"#",$variablesStart);

if ($variablesEnd) {

 		$getVariables = substr($url, $variablesStart, $variablesEnd - $variablesStart);

 	} else {

 		$getVariables = substr($url, $variablesStart);

 	}

//next, we split the URL into an arrays containing variable name and value pairs (ie. "variable=value")

 	$variableArray = explode("&", $getVariables);

//we will iterate through each of the array pairs (ie. "variable=value")

 	foreach ($variableArray as $arraySet) {

$nameAndValue = explode("=", $arraySet);

//using the above examples, $nameAndValue[0] would be "variable" and $nameAndValue[1] would be "value"

 		$output[$nameAndValue[0]] = $nameAndValue[1];

}

return($output);

}

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Google was required to settle for the least amount - $3 million. Yahoo paid $12 million - $4.5 million of payment in the form of advertising on the Yahoo Network. Microsoft forked out the most, with a total settlement worth $21 million - $9 million of which is in advertising credits to be used for public service announcements.

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• Put music from a YouTube video into your MySpace profile, bulletin, blog, comment or anywhere else you can post HTML.
  

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European online gambling companies are disappointed with the agreement - who were hoping that a recent case against the US at the World Trade Organisation determined that a US law only allowing US companies to offer horse-race betting services was discriminatory to offshore companies.

Though, since the discrimination case , the US has made it more difficult for foreign online gambling companies by making it illegal for US banks and other financial institutions to send money to offshore gambling companies.

Offshore online gambling companies claim that being refused access to the US market is hindering their business. European online gambling companies believe that they are entitled to as much as $100 billion in compensation -though the European Commission has dismissed the request as an exaggeration.

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