title: Do people still write their own data structures and algorithms?
body: <p>Instead of the STL and similar libraries in other languages?</p>
  
  <p>As a newbie, how much should I delve into this part of software development? Breadth first or depth?</p>
  
  <p>Is only a conceptual understanding necessary these days? Or should I be able to implement a doubly linked list blindfolded?</p>