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12 or 13 men ?

Do you see 12 or 13 men? Do you know a solution for this? Isn't this puzzle just great?!  

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Celebrating google pagerank 5

Today I just found out that codegravity.com's google pagerank increased from 4 to 5 :) Let's celebrate together :)

Thanks everyone for supporting this website !

 

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Problems with Mastercard abroad

Last weekend I was in Prague with my girlfriend. We stayed in the IBIS hotel Karlin. When they asked me how would I pay, I said, I would pay with my debit Mastercard. They took it to "authorize me".

To my surprise the amount of approx. 300 EUR was taken, I recieved an notification SMS immediatelly.

They said they are going to return this at the check-out date.

Ok, after a check-out they gave me two reciepts, one for the rollback of the authorization (300 EUR) and second for our room (178 EUR).  

Now, five days have passed, and I didn't get my money back ! Why ?

.. I went to my bank, they said - It's a problem of a hotel. 

So I decided to call a hotel manager. They said, as I thought, the problem is in the bank, and it's an usual situation and I should wait and wait and wait until I'll get my money back. But how long ???

Is it normal ? 300 EUR were taken immediatelly, so what the hell the return takes such a long time ?

How then the clients should be motivated to pay with a card, when such situation happens?

I am not desperate about that money, it's about a principle..

My friend said, what would happen when you will travel around europe and everytime you will stay night in different hotel you will pay also the authorization.

A friend of mine payed the same way somewhere in France. His money are somewhere "on the way" in the virtual world second week !

 

 

 

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Great czech java webhosting
I found a great Java Webhosting in Czech Republic (EU). It's well suited for hosting your JSP pages, Servlets, etc. Good news - they support also JavaServer Faces (JSF), which is a new trend in Rapid Application Development (RAD) of the web applications. The support level is also very high. It's a big difference in comparison to pipni.cz, where nothing works, although you pay for their services.

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Useful SEO articles and presentations in pdf

Here are some of the great articles and presentations about the Search Engine Optimization (SEO). They are in the PDF format so you can easily print them and read as a book. 

http://www.websiteoptimization.com/presentations/organic-seo-itzone.pdf

http://www.easywebtutorials.com/ebooks/SEO-MadeEasy.pdf

http://www.rankquest.com/downloads/pdf/RankQuest-SEO-Articles.pdf

There is also one good resource for the SEO - The seo book (www.seobook.com), but unfortunatelly, it's a bit commercial and requires a registration fee.

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Money Manager 2 - expenses tracking software for your mobile phone
I purchased the Money Manager 2 - a mobile application that allows you to manage your expenses. I like it very much and recommend it :) Before purchase you can download a free trial version from: 8mobile.org. The full version cost $5. You can also import the data into any accounting software.

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My experiences with the RICOH support

My experiences with the RICOH company and the request to replace the broken LCD display on Caplio R4.

 

During my business trip in Germany, I bought a Ricoh Caplio R4 digital camera. The RICOH company are not on our slovakian market yet, so this has been a bit risky. There is an option to buy such a cameras via the companies like FORMEI, which provide also the support.

 

At the end of year 2006 we had a party with our friends, and drank a bit of alcohol. You know how it goes in such situations, we did lot of crazy things and the result was - that the LCD display of my Caplio R4 got broken.

What a pity.. no support in Slovakia. I browsed RICOH's websites and found out that the only way how to repair the camera is to send it to the Germany or other EU country providing the official support. I also made a phone-call to Germany and asked for someone who speaks english. I registered on their website for the RMA number with the explanation what happend. Few days after I sent the camera there. After that, I logged again and saw that the status of my request as "closed". What happend? Were they unable to repair it? To my surprise, they told me that my camera was repaired under the warranty, however I caused the damage myself ! It was unbeleavable to me that they also said that I won't pay any of the costs ! In few days I should recieve a package from the UPS. My only costs was a postal fee.

Long live the RICOH company and their great support ! :)

 

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KAudiocreator

There is a great CD encoding software for linux called kaudiocreator. It scans the CD automatically, transforms it into a .wav and then encodes it with Lame encoder (for mp3), OggEnc (for .ogg), FLAC or it leaves it like a .wav. There is also a possibility to specify the additional parameters for the encoder - like the -b 256 switch for lame which specifies the bitrate of 256 bites/sec.

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Looking Glass screenshots
Here are some of the screenshots from the version 1.0 looking glass looking glass looking glass looking glass looking glass looking glass looking glass looking glass looking glass

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Linux hdparm settings
Hdparm is a linux utility that helps you to speed up an access to your harddisk. With the new Ubuntu installed, these are the best settings that work well for my Toshiba Satellite S320-M35 laptop computer: Here is the command with additional parameters: hdparm -d1 -u1 -X 69 -m16 -W1 -A1 /dev/hda It shows up this output of the changed settings: /dev/hda: setting multcount to 16 setting unmaskirq to 1 (on) setting using_dma to 1 (on) setting xfermode to 69 (UltraDMA mode5) setting drive read-lookahead to 1 (on) setting drive write-caching to 1 (on) multcount = 16 (on) unmaskirq = 1 (on) using_dma = 1 (on) From the original: /dev/hda: Timing cached reads: 1832 MB in 2.00 seconds = 915.27 MB/sec Timing buffered disk reads: 72 MB in 3.02 seconds = 23.81 MB/sec to great /dev/hda: Timing cached reads: 1884 MB in 2.00 seconds = 942.07 MB/sec Timing buffered disk reads: 72 MB in 3.11 seconds = 23.18 MB/sec and the write-caching is enabled as well. When you want this setting to be permanent, write the parameters to /etc/hdparm.conf Another option is to add this command to your starting scripts.

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Download the NEW JoomlaWatch 1.2.5 from 24.3.2008 that works with Joomla 1.5 and Joomla 1.0

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Registration required
I know that people don't like registering on websites, but I had to do it. From this moment you have to register first, before you download any file. This is better, because this way I can give you quick info about new version of downloadable files (eg. MathGuard) or some necessary security fixes. Thanks for understanding. (26.08.2007)

Books about investing and finance
I'd like to recommend you to read a book by Robert T. Kiyosaki - "Rich Dad, Poor Dad". However many people say it's quite a controversial book, it gave me a good motivation to improve my financial intelligence. (23.08.2007)

Fighting with the spam
All of the forms were protected with my own PHP antispam class - MathGuard, including the forms in the joomla modules I use. (02.05.2007)

Forum
Converted posts from the old punbb forum to the new joomlaboard (25.02.2007)

Improvement
Fixed some issues with the freelance registration, added a possibility to add a new programming resource, reorganized the structure of the programming resources. (24.02.2007)

New content management system
Codegravity.com is now running on joomla cms :) Added features like comments, forum etc. I hope you'll like it. Today I fixed the problem with the comment module which was not showing the correct images. There is also a new URL structure. For the old urls there is a 301 (Moved permanently) http redirect. (10.02.2007)

Moved to another hosting
Codegravity.com has been moved to another web hosting - CustomHosting.sk, from the previous pipni.cz, mainly because of the mod_rewrite problems and slow loading of the website. Sorry for some problems that lasted for about an hour. (19.01.2007)

Bookmark feed
The new feed from the del.icio.us has been added to the homepage codegravity.com. You 'll always have the latest information about the sites I like and you should visit as well! (21.11.2006)

News improved
Today I improved the news feeds. They are sorted into categories and I also added some other feeds that may be interested for you. (31.03.2006)

The Antispam verification
My email form was hijacked by the spam bots and I was recieving a lots of junk into my mailbox everyday. So, I decided to put a simple verification in the end of the form. You have to answer the result of addition of two numbers. Thank you for your understanding. (07.03.2006)

Java SE 6 Beta Mustang is out !
This beta release is a major milestone in the development of Mustang. It provides a complete stable snapshot of the final release functionality. http://mustang.dev.java.net (20.02.2006)

Google analytics, apply online
Apply online to google-analytics.com. They offer the new way of analysis of your website visitors. It is very promising, and when you will recieve the invitation code, you can send me one :) Thank you :) (13.02.2006)

Money Manager 2 - software for mobile accounting

FaceRSS - simple JavaServer Facer (JSF) component
I registered my new project - FaceRSS on freshmeat.net, here is the description: FaceRSS is a simple JavaServer Faces (JSF) component that allows you to display news from a specified URL source in one configurable JSP tag. This allows you to place news feeds on a Web site in a very simple way. It uses rsslib4j and therefore supports RSS version 0.9x, 1.0, and 2.0 with Dublin Core and Syndication namespaces. (06.01.2006)

My new blog :)
Check out my new [jroller.com/page/matto3c] blog on jroller.com website. Here is the RSS feed [http://jroller.com/rss/matto3c] if you'd like to add it into your news reader. (14.12.2005)

ERM-II and Slovakia
SLOVAKIA, my home country, is now one step closer to adopting the common European currency - EURO. At midnight between November 25 and November 26, the country joined the Exchange Rate Mechanism 2 (ERM-II) (30.11.2005)

www.jground.com
I established a new website - http://www.jground.com, it's all based on JSF and it should be all about Java and all other related things. Enjoy! (25.11.2005)

Swing text antialiasing

Java webhosting
I'm trying a new http://www.move.cz java webhosting on www.move.cz, but it seems they don't respond to my questions about JSF ;( (16.11.2005)

Migration from Weblogic to JBoss
Currently I am working on a task: Migration of one J2EE application from Weblogic to JBoss application server. So, if you have any suggestions or resources, I would be glad if you'll send me some. Thanks (15.11.2005)

Increased Java performance
Java increased its performance on desktop by 58% : [http://www.javalobby.org/java/forums/t54006.html] Java Performance
Improvement (15.11.2005)

Exadel Studio Pro
At this time I'm playing with JSF (Java Server Faces). I want to recommend you a great IDE - Exadel JSF Studio Pro. It costs about $99, and there is 15 days trial available. You can also try MyEclipse which has also like Exadel - WYSIWYG editor for editing JSP, JSF pages. It can save you a lot of time. For more info, visit www.exadel.com (27.09.2005)

Programming directory
added a new programming resources directory, where you can submit your own programming website (14.09.2005)

Programming forum
Now the Programming forum is included in website design. I put there some topics from previous version of this forum. (19.08.2005)

Ubytovanie, podnajom Poprad
Ponuka na podnajom, ubytovanie: Zrekonštruované podkrovie - rodinny dom Poprad-Matejovce - 2 izby + pracovna + kúpelna s kuchynou, strešné a plastové okná, samostatné plynové kúrenie, drevené plávajúce podlahy, garáž, velká záhrada a samostatný vchod. . . Cena: dohodou
Kontakt: 0949 401 409 (18.02.2008)
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