Suggest changes to the code for matrix keypad

I wrote this code for displaying the key on the LCD that is pressed in the matrix keypad. The program is not working in the hardware platform.Kindly suggest changes to the code: #include<reg51.h...
Suggest changes to the code for matrix keypad

I wrote this code for displaying the key on the LCD that is pressed in the matrix keypad. The program is not working in the hardware platform.Kindly suggest changes to the code: #include<reg51.h...
unsigned long question

Hello all, I guest this issue has something to do with integer promosion or something related but still I don't fully understand this: I have 2 unsigned long integers containing an equal value. However...
unsigned long question

Hello all, I guest this issue has something to do with integer promosion or something related but still I don't fully understand this: I have 2 unsigned long integers containing an equal value. However...
suggestions for replacing SourceSafe

We are currently using SourceSafe (multi user/version control program)and there is some dissatisfaction. I would like to know if anyone have pros or cons for other such software. This will be cross...