Crista Lopes discusses if scale affects the internal structure of projects and whether the popularity of libraries is correlated with internal software metrics such as bug density based on analyzing the source code of 30,000 open source Java projects.
Panos Astithas presents some of the debugging, profiling and tracing tools available to web developers today.
Zach Tellman discusses instrumenting and analyzing running systems using real world examples from Factual's production systems.
Daniel Spiewak and Aaron Bedra take a look at code verifying starting with Tony Hoare’s paper on testing(1969), type theory, and language-integrated proof systems.
Joe Walker covers present and future Firefox development tools for editing, inspection, history and control.
Chris Houser discusses stack traces in Clojure and introduces a library for investigating activity across multiple threads and servers, plus a technique for reproducing race conditions.
Bryan Cantrill discusses debugging production systems using post-mortem debugging and dynamic instrumentation, with a bit of history and an introduction to useful debugging tools.
William Pugh explains how to use FindBugs, a Java static code analysis tool, to discover bugs. The talk covers general issues regarding code bugs with advice on how to make sure you get rid of them.
Erik Dörnenburg shares techniques for estimating code quality by collecting and analyzing data using the toxicity chart, metrics tree maps, size&complexity pyramid, complexity view, code city, etc.
Michael Feathers analyzes real code bases concluding that code is not nearly as beautiful as designers aspire to, discussing the everyday decisions that alter the code bit by bit.
Bernhard Merkle advices on preventing architectural degradation of a project by using tools for constant monitoring of the code, exemplifying with an analysis of Ant, Findbugs and Eclipse.
Erik Dörnenburg explains how to use various visualization tools to spot patterns, trends and outliers in the code that are an indication of code quality level.