Bitcoin is a relatively new form of currency that is just beginning to hit the mainstream. It is created and held electronically based on mathematics. More specific details about the math behind Bitcoin can be found here: http://www.coindesk.com/math-behind-bitcoin/
The need and significance of extracting data from the web is becoming increasingly bigger and clear. Internet is full of useful data and it’s not a surprise that we want to store some piece of it for self-usage. But to store something we must extract the data at the first place: Web Scraper is what we need for such purpose.
Improving code quality There is a lot that can be done to improve code quality. I want to mention only about code review. No need to introduce the concept. Still, how to do it in the most efficient way? Who should be assigned as a reviewer? How can we measure a possible increase in code quality?