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Rolex

September 13th, 2008

One sideOther side

Dubai Airport

September 12th, 2008

DSCN0162

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Multiply a number by 11

September 11th, 2008

Multiplying a one digit number by 11, is easy. For example, 2 x 11 = 22. We just repeat the number back twice.

What if we have 1334 x 11? This strategy could help us to multiply any greater than 2 digits number by 11.

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Chicken Tikka

September 11th, 2008

Chicken Tikka 2Chicken Tikka Shop

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Sending big files

September 10th, 2008

Ever wonder how to send big files to your friend?

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Proton Waja in Cairo

September 10th, 2008

 Waja Back Waja Front

Gift from Tawau

September 10th, 2008

Today I received a gift from Tawau, due to this and this.

Tawau

Thanks to Adry and aNgRiAni.

Custom Excel Dates

August 29th, 2008

Microsoft Excel provides a way to create our own date format.

The date format could be customize using these codes.

Date codes:

  • d - the day number (1, 2, 3, …, 31)
  • dd - the day number in two digits (01, 02, 03, …, 31)
  • ddd - the abbreviated day (Mon, Tue, …, Sun)
  • dddd - the day of the week (Monday, Tuesday, … Sunday)

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Learn Calculus in 20 minutes

August 28th, 2008

Two videos by Professor Edward Burger of Williams College teaching Calculus in 20 minutes.

The bottom line is, Calculus is not that hard, even though based on my experience, many students dislike it.

Calculus in 20 Minutes Part 1

Calculus in 20 Minutes Part 1
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Find max or min in Python dictionary

August 27th, 2008

Suppose that mydict is a dictionary defined by

1
mydict = {'a': 2, 'c': 5, 'b': 1, 'd': 4}

How to find the key for the max or min value in the items?

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