DiPot: Ice Tea tech » IE

WordPress: External RSS Feeds Optimization with KB Advanced RSS

ageor — Wed, 22 Apr 2009 19:00:10 +0000

Apart from its own Ice Tea tech blog, Dipot.com also displays two external feeds relating to Optimization and Standards. I needed to optimize the post titles of these two feeds by getting rid of their long suffixes, both for better looks and for more content within the same space.

The feeds were served by the standard RSS WordPress 2.7.1 widget, which is fine, except it does not support much customization. After some search, I found Advanced RSS 1.0.1 WordPress plugin and KB Advanced RSS 2.1.3 WordPress plugin. Smart RSS only works until WP 2.7.0 and I didn’t want to tweak with that. Advanced RSS only works until WP 2.6.2 and requires PHP5, DOM and XSL extensions loaded on the server and I don’t want to depend on those if I don’t need to, so the choice was easy.

Installation of KB Advanced RSS worked flawlessly right from within wp-admin. Then, on my first attempt to configure it, I came across a problem which could very well had been a show stopper: for some reason, except for the feed’s URL and Title, the widget would not commit any of the other parameters to the “Options” table of the database. Troubleshooting this issue, I ended up reading all the users’ comments on the plugin’s site. As usual, I was not alone; this is a common issue. Thankfully, Wesley of http://www.improvingtheweb.com had already posted the solution to PHP4 not committing widget field changes in WordPress. The solution worked like a charm. And, as expected, when I later upgraded to PHP5 the problem wasn’t even there to begin with.

KB Advanced RSS is well thought-out, very straight forward with good documentation and examples. It supports all the features of the standard widget (including multiple instances) plus formatting and full support of all the feed’s fields to display or not (including the debugging tool to show which these fields are)! It further supports two modifiers to optionally manipulate the string before display, by taking out a number of characters from the start (ltrim) and/or trimming it to a specific length (trim).

Alas, what I actually needed was to take out a number of characters from the end of the string. Fortunately, as it turned out, KB Advanced RSS’s code is pretty straight-forward and extending it with my own modifier (rtrim) to do just that was only a matter of 3 lines of PHP code added to the version of the plugin that runs by my version of Wordpress; there’s one for versions up to 2.7 (pre-wp-2-7.php) and one for versions after that (post-wp-2-7.php). Here is the PHP code from the modified post-wp-2-7.php (my rtrim extension is in blue):

///////////////////////////////// CUSTOMIZATIONS /////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////
// If you want to write customizations, put them here. The variable to modify is $text. See the FAQ.
/////////////////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////////////////

// right trimming
// cuts $rtrim characters from the right
// by ageor, April 9, 2009
$rtrim = (is_numeric($rtrim) && 0<$rtrim) ? (int) $rtrim : null;
if (is_int($rtrim))
$text = substr( $text, 0, strlen($string)-$rtrim );

// left trimming:
$ltrim = (is_numeric($ltrim) && 0<$ltrim) ? (int) $ltrim : null;
if (is_int($ltrim))
$text = substr( $text, $ltrim );

// length trimming (do after left trimming)
$trim = (is_numeric($trim) && 0<$trim) ? (int) $trim : null;
if (is_int($trim))
$text = substr( $text, 0, $trim );

return $text;

The way this is written, the string in question can undergo any mix of all three trimming types necessary.

All setting up and troubleshooting took place by adding one instance of the widget and configuring it, then a second instance. When all was done and I had what I wanted, I removed the original two instances of the original RSS widget, positioned the new ones on top and saved, certain I was done. However, as the resulting “Widgets” Wordpress admin page suggested after saving, something was very wrorg. It displayed the message ‘You are using 3 widgets in the “Left Sidebar” sidebar’ but not the widgets themselves, nor the “Save Changes” button. Sure enough, I ended up with an unworkable site, as these where the first 2 widgets on the left column of Ice Tea tech and the page that appeared ended with the title banner. Disaster!

To cut a long story short, plenty of “trial and error”s later and with the help of Vicki of neTWire, here is my conclusion: For KB Advanced RSS widget to work with WP 2.7.1 and the Atahualpa WordPress theme, the WordPress RSS widget needs to be activated and positioned above it. That’s how I temporarily solved my problem, until (if ever) I have the time to look deeper into the code involved or newer versions of the theme and/or the plugin solve it for good.

Just to be clear, none of the problems and troubleshooting it took to solve them can be traced back ato KB Advanced RSS alone. Atahualpa is a great but complex theme and it is their combination that turned out to be problematic. It’s not the first example of a bad mix and it won’t be the last. On the flip side, with each such incident we get to learn something new that will potentially save others and ourselves some frusrtation and time in the future.

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Company directory, a comprehensive Directory of directories, business to business!

ageor — Tue, 14 Apr 2009 07:41:57 +0000

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PCs and the Internet: Addiction Magnets or just Tools?

ageor — Sun, 05 Apr 2009 20:44:38 +0000

The traditional Media (at least in Greece, where I live) don’t treat computing nor the Internet right. I don’t know if it’s because of ignorance or because they feel threatened by it. However, I do get the impression that, most of the time, when radio, TV or the press mention PCs and/or the Internet it’s because of a child pornography site, computer fraud or how young people are getting addicted to it.

According to WikiPedia’s “Addiction” article: “… The term addiction is also sometimes applied to compulsions that are not substance-related, such as problem gambling and computer addiction. In these kinds of common usages, the term addiction is used to describe a recurring compulsion by an individual to engage in some specific activity, despite harmful consequences, as deemed by the user him self to his or hers individual’s health, mental state or social life. …”.

I’ve had various discussions with intelligent people who are not well acquainted to computers nor the Internet and they express concerns about its use and hidden dangers in it, especially if they are parents. The concern that “kids, teenagers or people who use their, usually networked, PC for long hours are addicted” is overrated and exaggerated.

From Wikipedia’s “Internet addiction disorder” article: “… To the extent that the Internet is a social medium instead of an object, people cannot be addicted to it. The analogy is made to an environment: a person can not be truly addicted to living in a favorite town (no matter how distressing a change of home might be), and a goldfish can not be addicted to living in a pond.
Secondly, it is widely recognized, even by its supporters, that most if not all “Internet addicts” already fall under existing, legitimate diagnostic labels. For many patients, overuse or inappropriate use of the Internet is merely a manifestation of their depression, anxiety, impulse control disorders, or pathological gambling. In this criticism, IAD is compared to food addiction, in which patients overeat as a form of self-medication for depression, anxiety, etc., without actually being truly addicted to eating.
It is possible that a person could have a pathological relationship with a specific aspects of the Internet, such as bidding on online auctions, viewing pornography, online gaming, or online gambling (which is included under the existing Pathological Gambling), but that does not make the Internet medium itself be addictive. …”.

People spending way too much time “in” the Internet is a misconception dated back to the time we needed to dial-in to the Internet. While connected to the Net over telephone lines the meter was running, hence the need to make the most out of it. Broadband has changed this. We are now “online” all the time for a flat rate, or, at worst, for a pay-as-you-go rate (especially true in cellular telephony). In these early days, we got online specifically to use the Internet, mainly use email, surf the Web and, if advanced enough, to do some instant messaging and e-shopping.

Today, thanks, in part, to digital convergence and the computer becoming a consumer item, we have one PC each instead of one per office or home and we do online pretty much anything we did before the Internet existed at all. Thanks to broadband, the phrase “I am connected” doesn’t mean much any more, because we are online whether we actually make use of the Net or not. Sometimes we are practically online and we don’t even realize it (most high end cellular phones are a click away from the Internet)! We have blended it in our everyday life like the telephone, the radio, the TV, the newspaper, the typewriter, the tape recorder etc. before it.

Except for physical activities (debatable; have you tried Nintendo Wii Fit?), computers, possibly connected to the Internet, are used today for prety much everything else. Today, even more than in the earlier days, neither computing nor using the Internet are activities by themselves. They are just enablers for countless individual activities (the following is by no means a complete list, or in any particular order):

Reading, Watching, Listening to Multimedia Documents
Reading, Watching and Listening to our own or others’ material includes art, essays, news, books (electronic and audio), presentations, schematics, photos, music, videos, radio & TV broadcasts, podcasts, etc. or any combination of those and more.
Research
Whether it is scientific or market research, online computers are the tools behind it that collect, store, index, process, search, retrieve, distribute and present all the information and data in ways limited only by imagination.
Multimedia Documents Creation
Most (or all?) of this so-called “content” we can view, we can also create ourselves for us and others to view or use.
Communication & Social Networking
Email, Instant Messaging (IM), VoIP telephony, Video calls, Audio & Video Conferencing are just some types of online communication. Social Networking helps keep in touch with lots of people. Additionally, (micro)Blogging and RSS feeds help us get input from and address potentially unlimited content creators and audience, respectively.
Recreation & Games
Physical activity aside, electronic editions of traditional board games represent only a small fraction of the games we can play with practically unlimited human or computer opponents from around the globe.

It’s not my intention to prove how good technology is; there may be issues in all applications that leave room for discussion. I am trying to raise awareness to the fact that computer and Internet usage cannot be measured as an activity on their own, as they are not. They represent the sum of all their individual uses. Of course (networked) computing (possibly as life itself) is a platform where addictions can occur. Like all drugs are not inherently addictive, nor is technology, computing or the Internet. Still, ‘… With the widespread use of computers in the 21st century, it may be difficult to distinguish users who are “highly engaged” in their computer use from those who might be considered “addicted”. …’ (from Wikipedia’s “Computer addiction” article).

Diversity and multiple activities & interests have always been factors against addictions. Having a tools combination like a computer networked to the all-inclusive Internet actually promotes diversity. Let’s do so, too.

PS. There are studies indicating computer and internet “addiction” or “overuse”. At this point (and I am no expert), I believe many people use or overuse them like they do with any new, shiny toy. Once they both become commonplace, like the telephone and television did, any “related” addiction will be easily traced to the pre-technology causes.

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The Zeitgeist Movement: Orientation Presentation

ageor — Sun, 05 Apr 2009 10:09:56 +0000

The Zeitgeist Movement: Orientation Presentation
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Feeds to Content & Categories Optimization in WordPress

ageor — Wed, 01 Apr 2009 20:26:03 +0000

At some point I added the category “Bookmarks” in Ice Tea tech. Thanks to the “YAAB” (short for Yet Another Auto Blogger) WordPress plugin, this category automatically gets its content directly from my Delicious feed. This way I get my own copy of what I put up there and my blog gets some added value in one move.

YAAB has an unusual but effective interface that allows adding content to any category of a WordPress blog from any number of feeds, even offering its own scheduler, if needed. It sure works as advertized.

Ever since then, I meant to further optimize the blog by separating the bookmarks from my other posts. This is just what I did, with the help of the “ACE” (short for Advanced Category Excluder) WordPress plugin. From now on, bookmark posts won’t appear in the main feed, like they don’t appear in the home page. For those interested, the Bookmarks feed is at http://dipot.com/category/bookmarks/feed (or find everything I post in my FriendFeed stream).

ACE gives a WordPress blogger full control over which Categories are hidden in any of 6 sections of their blog: Archive page, Home page, RSS feed for Posts, RSS feed for Comments, Search results & robots’ crawls. It is very straight forward, has a clean interface and works as advertized.

I consider both plugins to be great assets to WordPress blogs. Which are your favorite plugins? What functionality do you put/expect in a blog?

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TransparencyCamp 2009

ageor — Fri, 27 Mar 2009 12:48:46 +0000

“This un-conference is about convening a trans-partisan tribe of open government advocates from all walks — government representatives, technologists, developers, NGOs, wonks and activists — to share knowledge on how to use new technologies to make our government transparent and meaningfully accessible to the public.”
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WordPress Optimization: Compatibility between Themes & Plugins

ageor — Fri, 27 Mar 2009 08:28:25 +0000

The first incarnation of Ice Tea tech was in Joomla 1.5. I admit I can’t resist the temptation to tweak my own blog and never got to understand the Joomla philosophy well enough to do it extensively. So, with neTWire’s help (they set it up for me and successfully imported Joomla days’ posts), I decided to give WordPress (currently 2.7.1) a try, therefore I am a newbee with it. The WordPress environment is very clean, straightforword and promising. From this point on, to me, blog optimization means to choose a Theme, drop in all the plugins necessary to provide the functionality I want and get going issue-free.

After extensive search I found Bytes for All’s Atahualpa, a WordPress theme that is customizable enough so I wouldn’t need to dive deep into CSS just yet. It supports a dynamically resizing main column plus 2 sidebars and lots of user definable parameters. Being a novice, I also installed, among others, the qTranslate plugin to support multiple languages in Ice Tea tech, in case I need it in the future.

To my surprise, as I’m afraid some of you noticed, post dates did not appear correctly. The date format was correct, but the date itself was wrong. To cut a long story short, in theory, WordPress supports any PHP function for date formatting, qTranslate supports the PHP “date” and “strftime” functions and Atahualpa, due to its highly configurable setting, seems to have the PHP “date” function hardwired in some places.

After some trial and error and with the valuable help of neTWire’s Vicki Kolovou it turns out that, actually, qTranslate only works correctly with the “strftime” type of date formatting. So, there is no way it can coexist with Atahualpa or Ikarus, another highly customizable theme I tried.

I don’t have that much troubleshooting time for myself and Ice Tea tech’s environment is currently only in English. So, I’m sorry to report qTranslate had to go, at least for now. I hear it causes other issues, too. It’s a pity, as it otherwise really is a very well thought-out plugin…

It seems such issues are still commonplace. After this experience, my new definition for blog optimization is “the most functionality that actually works as it is supposed to”…

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Green IT Services : Catalyst for Cost Optimization – IT articles, Hardware & Software, Computer vendors in India, IT industry in India : Latest IT News

ageor — Wed, 25 Mar 2009 21:02:04 +0000

“According to a recently released global enterprise survey, India is a world leader in green IT potential. The Indian respondents scored over others in expecting to pay 5% or more for green technology if its benefits for the environment and return on investment (ROI) are proven. Green technology is technology with efficient power consumption, reusable packaging, maximize energy efficiency during the product's lifetime, recycling offers for older equipment, use of non-toxic materials, or making investments in future green concepts such as alternative materials. …”
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ageor — Wed, 25 Mar 2009 21:02:03 +0000

“… Every business that has experienced long-term success intentionally creates more value than it captures, and that’s okay. If you can consistently give away more value than you take, the world will beat a path to your door.”
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ageor — Wed, 25 Mar 2009 21:02:01 +0000

“… After years of being considered cost centers, IT organizations and service providers have evolved into profit makers. …

Technology providers used to measure their success only in terms of the classic adage, “on time, within budget, and according to clients’ expectations.” However, because of the need to be profitable and manage steep competition from both within and outside the enterprise, it is nearly impossible to stay afloat by delivering the bare necessities; barely functional does not cut it anymore. Success is now measured primarily by improvements in the bottom line, such as increasing revenue, reducing product defects, minimizing capital, and having a shorter time-to-market for products. And yes, add to the long list, innovations that result in long-term benefits to the computing landscape, employee productivity, and greater market share. …”
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PISA

ageor — Tue, 24 Mar 2009 16:12:13 +0000

“The Programme for International Student Assessment (PISA) is an internationally standardised assessment that was jointly developed by participating countries and administered to15-year-olds in schools. The survey was implemented in 43 countries in the 1st assessment in 2000, in 41 countries in the 2nd assessment in 2003, in 57 countries in the 3rd assessment in 2006 and 62 countries have signed up to participate in the 4th assessment in 2009. Tests are typically administered to between 4,500 and 10,000 students in each country. …”
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ageor — Mon, 23 Mar 2009 23:19:54 +0000

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ageor — Sun, 22 Mar 2009 19:12:50 +0000

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ageor — Sun, 22 Mar 2009 19:12:39 +0000

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ageor — Sat, 21 Mar 2009 01:47:06 +0000

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ageor — Fri, 20 Mar 2009 23:58:19 +0000

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ageor — Thu, 19 Mar 2009 02:09:39 +0000

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ageor — Tue, 10 Mar 2009 13:56:40 +0000

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Apologies for last days’ posts flood

ageor — Wed, 25 Feb 2009 00:17:04 +0000

I apologize for the flood of links of the past few days.

I have been trying to implement Yet Another Autoblogger to bring my Delicious and StumbleUpon bookmarks in WordPress-based Ice Tea tech. It seems that, while everything finally worked fine with Delicious, StumbleUpon kept returning the same posts over and over to Autoblogger causing a flood in the blog itself and to its RSS feed, FriendFeed & Twitter by extension.

I stopped using StumbleUpon a while ago, because it didn’t support greek-encoded titles. It seems there is also an issue between its feed and Autoblogger. So, at least for the time being, I removed it, which is not that much of a problem, as I don’t post there any more.

Sorry about that, I’ll try to contain such incidents in the future. Thank you all for your patience and especially @Sotomi, @Cybereddie, @Chriiiiis, @Botchagalupe, @Alexnewbee, @Skoroneos, @Jimeh, @Vtripolitakis, @Spdd and those I may have missed for taking the time to notify me about it.

In an attempt to minimize the impact, I erased all the Ice Tea tech feed (with posts) from FriendFeed (I don’t know how to bulk-erase the relevant twits, any ideas?). The sideffect is that, as I am about to recreate the feed in FriendFeed, multiple blog and bookmark posts will appear at once, possibly in Twitter as well. Please forgive me, hopefully it will be the end of this annoyance.

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ageor — Tue, 24 Feb 2009 22:16:26 +0000

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ageor — Mon, 23 Feb 2009 00:02:39 +0000

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