Javascript Brain Teaser

2/24/2015 / Aditya / 0 Comments

Brain Teaser related to javascript scope If code above is executed, what is the console output? var text = 'outside'; function logIt(){ console.log(text); var text = 'inside'; }; logIt(); Answer: If your answer is 'outside' or 'inside' then your answer is wrong. The correct answer is 'undefined'. Just to make sure, if your answer is the answer is...

Pascal Triangle in scala without variable definition

2/24/2015 / Aditya / 0 Comments

Pascal Triangle is one of problem mention by HackerRank in Functional Programming Domain. The main problem is implementing this without any val and var in Scala. Problem Statement For a given integer K, print the first K rows of Pascal's Triangle. Print each row with values separated by spaces. The value at nthrow and rth column of the triangle is equal to n! / (r! *...