codingjester: I never thought I could get so excited about bitwise operations until I got to Tumblr.
Adam Laiacano: Re-organizing factors in ggplot2... →
adamlaiacano: When you have a factor with many levels and want to see a histogram, it’s always more useful to see them sorted in some kind of order. An example of this is shown below: labels <- c( rep("a", 100*rexp(1)), rep("b", 100*rexp(1)), rep("c", 100*rexp(1)), rep("d", 100*rexp(1))) x <-...
Blake Matheny: ID Generation at Scale →
mobocracy: Most companies that operate at a large enough scale run into the problem of efficiently generating ID’s. At tumblr this problem was solved with a simple libevent based HTTP service that essentially generates ID’s fast enough to meet our current demand and handles failure/startup by grabbing the…