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Fixing Slow Boot in Windows 7

This solution is probably valid for only a handful of people. After the latest Windows 7 updates were applied, I found my computer took over 10 minutes to boot into Windows. It would hang at the “Starting Windows” screen for ages (between 12 and 15 minutes). After (far too much) troubleshooting, the problem turned out to be that I had left an SD card formatted for the Raspberry Pi in the SD Card reader. Removing the card restored boot time to normal. False Paths and Red Herrings While troubeshooting this problem I went down many false paths including: suspecting the recent Windows 7 updates suspecting a virus suspecting a rootkit suspecting some start up process … Read entire article »

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Security Weakness in FaceBook Login

Yes, this is posted on April 1st and, no, it is not a April Fool’s joke – except, I hope, on FaceBook’s part, otherwise it represents a serious security weakness in their login protocol. As I logged into FaceBook today, I noticed (too late) that I had caps lock on and expected to be redirected to the Login error / retry page: Instead, I found myself logged in as normal. After playing around with it a little bit, I discovered that if you invert the upper case and lower case letters it will still let you log in. For example, if your password is MySecretPassword and you enter mYsECRETpASSWORD instead, it will still let you log in. It turns out … Read entire article »

Brother HL-3140CW Laser Printer – a Review

This review is written after about one month of using the Brother HL-3140CW laser printer. This is the third laser printer (second colour one) I’ve owned in the past 15 or 16 years (along with a number of inkjet printers and dot matrix printers before that). Summary The Brother HL-3140CW is a very fast printer with excellent print quality. I am very pleased with it and easily recommend it. Print Speed The printer is specified as printing 18 pages per minute in both colour and black and white. It is definitely very close to its advertised print speed. If you are printing a lot of single page documents, then the print speed will be slower, but if you are printing a … Read entire article »

How to Prevent People from Displaying Your Content on Their Web Pages Inside of a Frame

This technique shows how to prevent a web site from displaying your content inside of a frame on their web page. It looks something like this: The section shaded in green is my content being displaying inside someone else’s web site. This is done by putting my content inside a <frame> or <iframe> tag. If you are looking on how to deal with people who have copy and pasted your content on their web site, then see this article. This is easy to prevent, but it requires editing your .htaccess file. Why is this a problem? First, someone else is using your hard work this means a potential loss of traffic to your site. I say “potential loss” of traffic because my … Read entire article »

Replacing the Toner Cartridge in a Brother HL-3140CW Printer

Replacing the toner cartridge in the Brother HL-3140CW laser printer is not difficult, but it is not immediately obvious because the toner and drum assembly are joined together. 1) Open the laser printer by lifting the the top part. There are no catches to unlock, so it is easy enough to open: 2) Remove the toner cartridge to replace. It will be one of the four cartridges shaded in green. The entire cartridge assembly lifts right out, there are no latches to unlock: What you have in your hands is two pieces – the toner and the drum – even if it looks like just one part: Disassembled, the two parts look like this: The part in blue is the … Read entire article »