Python has a function called sys.getrefcount() that tells you the reference count of an object. For example, the following code,import sysprint sys.getrefco... (more…)

Python is one of the most popular programming languages today. It’s an interpreted and high-level language with elegant and readable syntax. However, Python is generally significantly slower than Java, C#, and especially C, C++, or Fortran. Sometimes perf... (more…)

In software, it's said that all abstractions are leaky, and this is true for the Jupyter notebook as it is for any other software. I most often see this manifest itself with the following issue: (more…)

Subscriptions are the lifeblood of LWN.net. If you appreciate this content and would like to see more of it, your subscription will help to ensure that LWN continues to thrive. Please visit this page to join up and keep LWN on ... (more…)

In this talk, I'll share how I won 4 Twitter contests per day, every day, for 9 months straight. I'll discuss the methods I used, the delightfully random and... (more…)