What is Cicada 3301?
On 4th January 2012, the hardest puzzle on the internet was born named “Cicada 3301”. It is believed to be the most “elaborated and mysterious… Read More »
Category Archives: GFacts
What is Bluejacking?
Bluejacking is used for sending unauthorized messages to another Bluetooth device. Bluetooth is a high-speed but very short-range wireless technology for exchanging data between desktop… Read More »
Interesting and Cool Tricks in Java
Java is one of the best object-oriented programming language developed by James Gosling from Sun Microsystems in the year 1991 and was publicly available in… Read More »
How to Install and Configure MongoDB in Ubuntu?
MongoDB is an open-source document oriented NoSQL database which is written in C++. MongoDB is schema-less database system and hence its very easy to add… Read More »
Interesting Facts About Perl
Perl is a general-purpose, high level interpreted and dynamic programming language. It was developed by Larry Wall, in 1987. There is no official Full form… Read More »
10 Interesting Facts About Computers
Computers have changed our lives in unimaginable ways. They have made our lives so much easier. Here are 10 scintillating facts about computers: The first… Read More »
Interesting Facts about DBMS
The amount of information we are surrounded with is literally exploding every single day and there is an immediate need to organise all these data.… Read More »
Can C++ reference member be declared without being initialized with declaration?
To many readers, this might sound the same thing, i.e. class_type *var = NULL; *var = &some_work; is same as class_type *var = &some_work; But… Read More »
Facts and Question related to Style of writing programs in C/C++
Here are some questions related to Style of writing C programs: Question-1: Why i++ executes faster than i + 1 ? Answer-1: The expression i++… Read More »
Dilworth’s Theorem
Let S be a finite partially ordered set. The size of a maximal antichain equals the size of a minimal chain cover of S. This… Read More »
Storage of integer and character values in C
Integer and character variables are used so often in the programs, but how these values are actually stored in C are known to few. Below… Read More »
Vantieghems Theorem for Primality Test
Vantieghems Theorem is a necessary and sufficient condition for a number to be prime. It states that for a natural number n to be prime,… Read More »
Cauchy’s Mean Value Theorem
Suppose f(x) and g(x) are 2 functions satisfying three conditions: 1) f(x), g(x) are continuous in the closed interval a <= x <= b 2)… Read More »
Nesbitt’s Inequality
Nesbitt’s inequality is one of the simplest inequalities in mathematics. According to the statement of the inequality, for any 3 given real numbers they satisfy… Read More »
GFact 23 | (Brocard’s problem)
Brocard’s problem is to find values of m and n such that n!+1 = m2 For example, a pair (4, 5) solves the above equation.… Read More »
