Just a quick tip on how I solved this problem.

1. Login to Window using safe mode

2. Do a system restore. Go to control panel > Recovery and choose a restore point > Choose the drive to restore windows to (usually C:\) > Done

If a message pop ups saying that it can’t restore because there are issues with C:\ such as data corruption, it will tell you that it needs to do a chkdsk (short for check disk).
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Web application with date and time sensitive information are tricky sometimes when you have users coming from different timezones. The easiest solution I’ve found is to save whatever date and time into database (oracle, sql server, mysql, whatever) as GMT and convert it back to the user’s timezone when fetching it from the database to display to the user. Using PHP and MySQL, here’s how you do it.
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For those who can’t figure out where the payment receiving preferences options is (thanks to paypal changing their navigation menus and outdated documentation not showing the right path to access it), you can find it in

Profile > My Selling Tools > Block Payments > Update

Cloud storage is everywhere these days. Cloud Backup has become somewhat of a fad. But the good news is that cloud storage is actually useful. You can save a lot of time and money by utilizing cloud storage for both business and personal use. But there are plenty of ways to use cloud backup services in addition to simply storing data in the cloud. Let's take a look at 10 ways you can use virtual backup services creatively.
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1. You need either a business or premier account to use IPN. (sourceforge)

2. Enable Auto Return (in Paypal > Profile > My Seller Tools > Website Preferences > Auto Reply > On) to redirect users back to your site after making a payment.
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The setup
When a new article is written, wordpress will update the blog RSS and this feed always contains the latest contents of your blog. For this blog, that’s davidtan.org/feeds.

Some people uses feedburner to publish and track where their feeds are viewed, clicked and consumed. Plus, there’s also a setting in feedburner that will sync new posts to your twitter account as well (ex. @davidtanth). You can also subscribe to your blog’s feed in Google Reader to keep track of your own blogs.
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Here’s how you can clear Google Chrome’s browser cache and all the history of which websites/pages that you’ve previously visited. Long story short, use the keyboard shortcut key CTRL+SHIFT+DEL to get the following:

The instruction are really straightforward. Check the settings which applies to you and press clear browsing data.

Done!

I have an iPad and i love it. Here I present you with a list of some of the most useful iPad accessories that I’ve found.
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I’m getting lots of spam mails and spam comments lately selling me SEO services promising that I’ll rank at page 1 for my keywords, get more traffic and make more money. Although it’s true that ranking on page 1 in google will get more traffic to my sites, I didn’t like the way I was approached by these SEO marketers. Where did they get my email? Am I interested in the first place? Why should I trust them? Do they even know what I do and write about in this blog?

Here are just some examples of so called SEO proposals that I’ve been getting in my inbox and comments. Try to learn from them and see why they didn’t work on a target like myself.
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You are given an encryption key after Magento is installed successfully. This key is just a text string and stored in a xml file called local.xml in your magento installation folder.
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