
What is Tracker?
https://wiki.gnome.org/Projects/Tracker/WhatIsTracker

What is the difference between an operator and a function ?
https://www.quora.com/Whatisthedifferencebetweenanoperatorandafunction

How to write an algorithm to find among natural numbers the sum of multiples of 3 and 5 below 1000 ?
/* This program has been worked on from http://www.sanand.net/euler.html */ #include <stdio.h> sofmul() { int n, i; n = 0; for (i = 0 ; i < 1000 ; i++) { if ( !(i % 5)  !(i % 3) ) n = n + i; } printf(“Sum of the multiples of 3 and 5 […]

How to write a program to multiply a number by 4 using a bitwise operator ?
/* Part of this program copied from http://www.sanfoundry.com/cprogrammultiplynumber4usingbitwiseoperators/ */ #include <stdio.h> multbitwise() { long number; printf(“Enter an integer: “); scanf(“%ld”,&number); number = number << 2; printf(“Result is %ld \n”,number); } /* http://stackoverflow.com/questions/4456442/interviewmultiplicationof2integersusingbitwiseoperators */ /* http://www.geeksforgeeks.org/multiplytwonumberswithoutusingmultiplydivisionbitwiseoperatorsandnoloops/ */ /* http://en.wikipedia.org/wiki/Bitwise_operation */

Hacking with conversions of decimal and binary
$./app Sign detection [1] Power of two [2] Counting No. of bits set [3] Set or clear bits without branching[4] Find maximum value[5] Finding least common multiple[6] Finding the greatest commom divisor[7] Finding if a number is an Armstrong number or not[8] Finding if a given number is prime number[9] Finding the number of twin […]

How to write an algorithm to reverse an integer ?
/* Part of this work is copied from http://www.sanfoundry.com/cprogramtoreverseagivennumber/ */ #include <stdio.h> revint() { long num, reverse = 0, temp, remainder; printf(“Enter the number \n”); scanf(“%ld”,&num); temp = num; while ( num > 0 ) { remainder = num % 10; reverse = reverse * 10 + remainder; num /= 10; } printf(“Given number = […]

Hacking with an algorithm to reverse an integer
$./app Sign detection [1] Power of two [2] Counting No. of bits set [3] Set or clear bits without branching[4] Find maximum value[5] Finding least common multiple[6] Finding the greatest commom divisor[7] Finding if a number is an Armstrong number or not[8] Finding if a given number is prime number[9] Finding the number of twin […]

How to write an algorithm to do a binary to decimal conversion ?
/* part of work copied from http://www.sanfoundry.com/cprogrambinarynumberintodecimal/ */ #include <stdio.h> btd() { int num, binary_val, decimal_val = 0, base = 1, rem; printf(“Enter a binary number : “); scanf(“%d”,&num); binary_val = num; while ( num > 0 ) { rem = num % 10; decimal_val = decimal_val + rem * base; num = num / […]