Some indexes make the database faster while others make it slower. It all depends on how frequently the index is used and how often the table is updated. To Index or not to Index

Major security holes that are currently being exploited have been discovered in Java. It is essential that you disable Java in your browser immediately. There are two modules to disable – “Java Deployment Toolkit” and “Java(TM) Platform” in most browsers, “Java(TM) Plug-in SSV Helper” and “Java(TM) Plug-in 2 SSV Helper” in Internet Explorer. The following [...]

A program I installed this morning didn’t work properly and so I decided to uninstall it. The uninstall for this particular program also didn’t work properly and so I was considering what to do to sort it out. One web page I found offered an uninstall program that supposedly would clean up left over files [...]

Microsoft has issued this report with respect to the latest security issue with IE which includes what they suggest you do about it.

A major security hole has been discovered in Internet Explorer 7, 8 and 9. Those using any of those browsers are advised to switch to using a different browser (such as Firefox, Chrome or Opera) at least temporarily until Microsoft provide a patch. See Metasploit for further details. Note that Internet Explorer 10 is not [...]

Uninstall it Immediately. I was going to give the owners more time to respond since I reported security issues with this script but the more I think about the security issues the more I realise could be done using the script – leaving the owner of the site running the script to take the blame [...]

I just received a letter from a company calling themselves “Domain Renewal Group” advising me that I have a domain due to be renewed in September and offering to handle the renewal – at FIVE times what I pay the current domain registrar. Make sure you don’t fall into the trap of paying way more [...]

My inbox the last few days has been flooded with emails requesting that I confirm my email address for a variety of services – some that I have accounts with and many where I do not. With none of these have I done anything that should require email confirmation. Hovering over the confirm links displays [...]

While the AMP web site indicates that you can change future allocations to your superannuation fund independently of current allocations, doing so will result in them changing your current allocations without your permission unless you can accurately predict what movements to the fund values will occur by the time the request is actioned. I recommend [...]

After three weeks of using all my spare time typing up content for my new JavaScript site, it now has enough content to make it useful. If you want to learn JavaScript or already know it and want to update your skills then please visit JavaScript By Example. Even if you are not interested in [...]

I just received a reminder that one of my domains is due for renewal in October. The thing is that the letter didn’t come from the registrar that I have the domain with. It came from a company called “Domain Renewal Group”. They offered to renew my domain for one year (AUD45), two years (AUD75) [...]

According to Paypal some sellers using Paypal only allow payments to be made from a credit card and disallow both echeck and payment using cash actually held in the buyer’s Paypal account. Not accepting echeck I can understand. I can even understand some sellers not wanting to accept credit card, but sellers not accepting cash [...]