Kent J. Chen's WebLog

a personal journal by an addictive geek

Archive for 2009

Bluetooth keyboard for iPhone

Posted in iPhone on December 31st, 2009 by Kent

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I am not a huge fan of these portable keyboard but it’s nice to have it. Hocking up a keyboard to your iPhone wirelessly via Bluetooth should make more convenient for you.

However, it requires you to jailbreak your iPhone first.

The Bluetooth Keyboard Driver, just released in Cydia, fills this void for jailbroken iPhone users. The

How to create a URL shortcut on to iPhone’s homepage

Posted in iPhone on December 21st, 2009 by Kent

If you have a website that you constantly access on your iPhone, it would be nice to have a shortcut on the iPhone’s homepage that redirect you to the website. With the new firmware 3.0, you actually can do that, quite easily.

First, click Add button while you are in the webpage that you want to bookmark, which brings up…

ManagePC inventories and manages PCs on your Windows domain

Posted in Tools on December 21st, 2009 by Kent

image ManagePC is an open source .Net application that makes easy for you to manage your PC in your Windows environment. The tool inventories all aspects of PCs on your domain including:

  • hardware
  • services
  • software
  • hot-fixes
  • processes
  • local users and groups
  • group policies
  • etc.

What’s nice is…

How to offline join Windows 7 to Windows Server domain

Posted in Information Technology on December 18th, 2009 by Kent

The new combination of Windows 7 / Windows Server 2008 R2 makes a lot of new things that are impossible to do in the previous versions possible. Offline domain join is one of them. It becomes possible because of the new command tool, djoin.exe, that comes with the system. Actually, what makes more interesting is that it doesn’t require Windows…

Is Oracle database better than MS SQL? Here are the different thoughts

Posted in Information Technology on December 18th, 2009 by Kent

I am not among those experienced DBAs. I am just a regular geek who knows basic skills of managing database server and a bit of database programming. I haven’t really got into Oracle world but have heard from many sources that Oracle database is way better than MS SQL because such, such reasons. And I have been wondering if that’s…

Twitter your blog post automatically through your feedburner account

Posted in Internet on December 16th, 2009 by Kent

If you have a blog and use FeedBurner burn your RSS feed, you may like this new approach FeedBurner recently added.

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Log into your FeedBurner account and go to Publicize tab, you will notice a new category listed at the left sidebar named Socialize, just under the FeedCount. What this new thing does right now is that once…

Virtualization Faceoff Poster free to download

Posted in Stuff in General on December 14th, 2009 by Kent

image Hyper-V or vSphere? For virtualization fans (me included) who are always wondering who’s better, here is a head-to-head unbiased mapping of Microsoft and VMware virtualization solutions offered by WindowsITPro, a free poster for you to download.

It’s a nice poster that provides a single source for IT decision makers and technologists to compare the two leading virtualization solutions providers.…

Email failed to deliver to certain domains with an SMTP protocol error occurred message

Posted in Information Technology on December 13th, 2009 by Kent

It happened lately in my office that emails sent to certain domains first got delayed and then failed with a SMTP error code 4.4.7 in the final NDR. Error code 4.4.7 usually indicates that the message in the queue has expired and usually the problem is on the receiving server. However, that is obviously not the case this time. Also…

How to get rid of index.php to make the pretty permalinks in WordPress

Posted in WordPress on December 10th, 2009 by Kent

Permalink is very important. It’s one of the first things that you need to configure when you build up a website. Not only does it provide you a more comprehensive url but it also helps you in the search engine optimization (SEO).

WordPress has this feature with 4 options built in out of the box. What you want to…

How to remove duplicate records from a table in SQL database

Posted in Information Technology on December 10th, 2009 by Kent

Scenario 1, one record is completely identical to another

Meaning that there is no way of identifying them who is who. Usually, it happens when the table doesn’t have a unique id field due to the poor database design. Because of that, there is no way in SQL to delete one of these duplications without deleting them all first.

You…