Category Archives: how to

Low-cost DIY portable emergency light using LED strips & 9-volt rechargeable batteries

The white LED strips operate at 12 volts. They will light up even at at 9 volts but will be less brighter. The multi-colored LEDs are not really an emergency lighting option but are good enough to help you find … Continue reading

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How to write citations with Markdown & retain links in your article’s references section

I use Markdown to write articles but it surprisingly does not support citations. Markdown simply removes all references after it creates hyperlinks in the output. Today, I was writing an article today with markdown and decided to find a solution. … Continue reading

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How to make lye soap

Recently, I have been watching The Beverly Hillbillies episodes from Archive.org (https://archive.org/details/classic_tv?and%5B%5D=subject%3A%22Beverly+Hillbillies%22). In its first episode, there was a reference to home-made “lye” soap. Apparently, Sodium Hydroxide (NaOH), a base, is called lye. Mixed with a limited quantity of water, … Continue reading

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Run Opera browser 12.x DragonFly web developer tool locally

Once a path-breaking web browser, Opera is now just another Google Chrome clone. I still use the pre-Blink 12.x Presto-based Opera browser and it remains my primary browser of choice even now. I use its Developer Tools utility quite often. … Continue reading

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How to change the date format of the date column of Thunderbird or Seamonkey Mail

The date format of the date column in Thunderbird/Seamonkey Mail/IceDove is based on your current locale. If you want to shorten in it in a meaningful way, you need to change the locale. This is not a good thing to … Continue reading

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Solution to “AMD Unsupported Hardware” Watermark Linux GPU Driver Problem

And, the dreaded “No adapters were installed because compatible driver was not found” result. The “AMD Unsupported Hardware” watermark haunts computers with newer hardware but running older drivers. Linux users who buy a new AMD APU-based laptop may want install … Continue reading

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