::  Posts  ::  RSS  ::  ◂◂RSS  ::  Contact

Cache Invalidation

July 28th, 2010
programming  [html]
A well known aphorism attributed to Phil Karlton is:

There are only two hard things in Computer Science: cache invalidation and naming things.

I realized yesterday that this is really only one hard problem: much of the reason that naming things is hard is that changing names is hard, so you'd better name something right the first time. Why is it hard to rename things? Poor cache invalidation.

Comment via: facebook

Recent posts on blogs I like:

I’m Giving a Talk About Construction Costs Tomorrow

By popular demand, I’m giving the talk I gave 2 weeks ago at NYU, again. The database will be revised slightly to include more examples (like Ukraine, which I added between when I gave the talk and when I blogged about it), and I may switch around a few t…

via Pedestrian Observations December 2, 2019

Your room can be as bright as the outdoors

The effect was huge: I became dramatically more productive between 3:30pm and whenever I turned off the light. I estimate the lamp bought me between half an hour and two hours a day, depending on how overcast it was.

via benkuhn.net November 26, 2019

git-subtrac: all your git submodules in one place

Long ago, I wrote git-subtree to work around some of my annoyances with git submodules. I've learned a lot since then, and the development ecosystem has improved a lot (shell scripts are no longer the best way to manipulate git repos? Whoa!). Thus, I …

via apenwarr November 24, 2019

more     (via openring)

More Posts:


  ::  Posts  ::  RSS  ::  ◂◂RSS  ::  Contact