If you have been doing hardware design using Verilog and/or VHDL, and use VHDL to build testbench, I think you will agree with me, that it is nice if you can refer to any signal in any module beneath the testbench module similar to what Verilog can do. ... [Read More]

Recently I have been working mostly on Linux at home rather than Windows, so I have been browsing mostly using Linux Firefox and I found out that it does not play web embedded midi by default. Well at least in my configuration. ... [Read More]

It is always said that dealing with floating point numbers is slow. So slow that if precision can be compromised and speed is more important, programmers will use integers instead. Integers ? yes ! But how will you deal with fractions then ? The answer is fixed point arithmetic. ... [Read More]

I selected a range of text to replace in Microsoft Word 2003, and then started typing. But instead of the selected text replaced with the newly typed text, the selection was just cancelled and what I typed was inserted. Well, certainly I did not expect this to happen. Curious with what was happening, I selected again and hit backspace. What I expect was, the selected text should go away but they didn't ! ... [Read More]

Have you ever thought how your calculator computes the result when you press the "1/x" button ? and have you ever thought how your computer computes the reciprocal ? ... [Read More]

I was about to post an algorithm which requires me to describe it with several math formulas, but then I was stuck since there is no easy and reliable way to display math in web pages using the HTML/CSS alone. ... [Read More]