Tag: Technology
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Protect Your Wireless Network with MAC Address Filtering…A Bad Idea
To secure your wireless network, you can use a variety of means, and one of which is by selecting only what MAC addresses are allowed. This is known as MAC filtering, and it can serve as a basic deterrent against most opportunistic attackers. However, just using MAC filtering alone will probably be a bad idea. […]
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Recursively Delete Files and Retain Folders in Windows
I was trying to delete all files in the current directory and all subdirectories, while keeping the directory structure intact. I found that I could use the following DOS command to recursively delete files, and NOT touch the directories: ending in .doc del /s *.doc Do note though, that ALL files with the extension doc […]
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ReCAPTCHA Stops Spam and Preserves World’s Literature
You’ve seen all the CAPTCHA images around – you know, those images that have numbers or letters in them that you have to type in correctly before you’re allowed to make a post or submit a form. Well, reCAPTCHA is a free project (reCAPTCHA website) by the Carnegie Mellon School of Computer Science at Carnegie […]
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Switching Off Appliances Still Draws Power
My previous post about power adapters got me interested in electricity and it led me to this article on how there are vampiric devices in your home, sucking energy all the time. I got pretty surprised when I read the article (Read the full article here: http://www.electronichouse.com/article/why_your_electronics_suck_energy/). It turns out that all our appliances still […]
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Best International AC Pocket Socket / Plug Adapter Review
I just returned from a short trip to Taipei, and while it was really fun, it’s nice to be back home. Taipei is surprisingly not very different from Singapore, except the mild winter’s there currently is a welcome change from Singapore’s all-year-round tropical climate. Another difference that got me was the power sockets — Taiwan […]