Arunachalam questions

• How to run some default commands after firing the Rails console?
• How to replace a String which has escape sequence inside a File using Perl?
• Is there any mistake in this Java code?
• how to find the percentage of free space for mapped drives?
• how to find the execution path of a installed software
• how to find middle node in singly linked list without traversal?
• How to create an SMS gateway?
• how to Enter data from keyboard in shell programming
• To convert Excel into CSV efficiently in ruby
• how to count the number of objects created in c++

Arunachalam answers