The feeds were served by the standard [...]]]> 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.

A Remarkable Book from Wiley-Finance

---

"An excellent book!"   — Paul Wilmott Want to break into the lucrative world of trading and quantitative finance? You need this book!

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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 [...]]]>

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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First things first. I told them all in person and I’m saying it here as well. Special thanks go to Andrew Hyde, the mind behind Startup Weekends, Alexandros Pagidas, the person who brought it in Athens, Patrick Malone, our host in Microsoft Innovation Center venue (Patrick and Lydia, you definitely improved Microsoft’s image for all [...]]]>

First things first. I told them all in person and I’m saying it here as well. Special thanks go to Andrew Hyde, the mind behind Startup Weekends, Alexandros Pagidas, the person who brought it in Athens, Patrick Malone, our host in Microsoft Innovation Center venue (Patrick and Lydia, you definitely improved Microsoft’s image for all of us), the sponsors of the event (Domino’s, Loumidis, Coca Cola-3E, Wind; hopefully I am not forgetting anyone) and all the professionals who dropped in to give us a hand. I won’t go into the event itself. Others have already done that; follow the event’s site and the links all over this post for that.

In danger of giving the feeling of repetition to readers of other relevant posts, I’ll say it: Athens Startup Weekend was a successful event and proved several points (Greeks can actually work together without shouting or arguing all the time, previous acquaintance is not important, teams can form without guidance or many introductions etc.). Plus, it produced and set off a number of ideas that can eventually work.

Andrew mentioned that Startup Weekends are not meant to create viable startups over the weekend but, rather, form a community among the participants. In a private conversation he said only 4 such startups were created in Startup Weekend history so far (unfortunately I didn’t get the names). The event is meant to prove that people who didn’t know each other before can sit around the same table, share and expand on an idea and make the most out of it in a very short time-frame. The important thing is not the idea, but that these people can work together, add their talents to a cause and produce a combined result that’s greater than the sum of their individual strengths. At the end of the day, these people become potential partners/collaborators in these very same or other promising projects.

The event put the best out of us all. We expressed our opinions and discussed difficult matters (we sometimes knew nothing about) in a civil, productive manner. We all got out of there with some fresh ideas, some new potential friends and partners, the knowledge that talented, cooperative people are there waiting to be found and great accomplishments are so much closer than expected. Indeed, 10 great projects were born.

I consider myself privileged to have been a part of it and hope the event does go annual so we can experience it again.

Here are a few additional relative links (no particular order; I’ll be happy to add links I’ve missed):

• Athens Startup Weekend: brief recap
• Εντυπώσεις από το Athens Startup Weekend
• Athens Startup Weekend I
• Athens Startup Weekend
• Επιτυχημένη η συμμετοχή μας στο Athens Startup Weekend 2008 #ASW
• Introducing HowSocial.ru, a project of Startup Weekend Athens

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