Math Puzzle 2 – Change for a Dollar?

It is a lazy and hot Saturday morning in the summer, in case if you need something to exercise your brain without any sweat, here is an interesting problem to solve. A customer walked into a small local store, customer asked: “Good morning.  Can you please give me change...

Time to cut the cord?

How many of you still have a home telephone line which is a “land line” that uses the good old phone jack? The world has moved on to cellular and voice over IP phones, and the “land line” service tend to be ridiculously expensive.  Here is a few things...

How to change iTunes Library Location?

iTunes is a music software innovation that was quite impressive when it was first released back in 2001. It was way ahead of all the competitors and it definitely turns heads with its great user interfaces.  It was developed by Bill Kincaid and released by Casady & Greene in...

Got CRC Error?

They really don’t make good hardware anymore, specially hard drive, they seems to be not too reliable nowadays. Here is my story, I have a gigantic external hard drive that is great to store lots of data.  I use it for all my data files so that I’m not...

Math puzzle 1- Allowance for your son

Your son wanted you to give him an allowance of $1.00 a week, but you refused and offer to give him only 50 cents a week. After some debates between you 2,  your son (who is pretty smart in math) come up with this proposal: “Tell you what, Mom (or Dad)....

Incognito?

We all do, we browse around the internet and found wanted and sometime unwanted information.  But are we aware of the trail of information that are left behind that may invade into our privacy? Many years ago, we were taught to be careful about enabling JavaScript and Cookies.  But...

Emergency contacts from your phone?

Cell phone is such a necessity now a day, it is probably hard to find anyone without one. Even many elderly have adapted and learn how to use a smart phone. It is specially nice for the elderly as it really helps to keep them connected and entertained. But have...

Remember MS-DOS?

I’m always amazed that there are still so many occasion, where one needs to drop down to the simple black CMD window to do something. Why? sometime it is just too difficult to find it in the unorganized Windows user interface, and other time there is just no easy...