SpeedTest - OOKLA can help you test the speed of your internet connection. Mobile apps and a command-line tool are also available. This page explains how to use the command-line tool to test the speed of your internet connection.

Math Packages

1. \usepackage{amssymb}
   • popular math fonts
2. \usepackage{dsfont}
   • \mathds font
3. \usepackage{bm} % bold math symbols
   • bold math symbols
4. \usepackage{amsmath}
   • math formulas.
5. \usepackage{amsthm}
   • theorem environments
   • proof enviroment

List Packages

1. \usepackage{enumerate}
   • universal list

Graphics Packages

1. \usepackage{ifpdf}
   • allow including figures without extensions and select the right type of …

A few days ago I found someone asking an interview questions on mitbbs. The question is as follows. A gambler plays a fair game and bet 1 dollar each time. If he lose all his money, the game stops. Suppose he has 10 dollars and is only allowed to play …

Generating functions is a very powerful way to find closed formula for sequences defined iteratively. I was so bored during the final week, so I went on internet for fun. Finally I found someone from Sydney University was asking for help on this question:

(a) If Ln=Ln-1+Ln-2 for …

Illustrative examples for the following discussions can be found here.

1. It is suggested that you also provide a default constructor if you ever provide a user-defined constructor when writing a C++ class.

2. If you want to allow deleting a derived class from a pointer of the base class, you have …

1. Using a Web Service.

   1. Open http://wpad/wpad.dat.

   2. Figure the proxy out from the contents it returns.

2. Use the command netstat. This is a universal way and is especially helpful when http://wpad/wpad.dat is not available.

   1. Inspect the output of netstat -an | egrep "EST|Proto" ("EST" is …