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pfreixes /
Created January 26, 2018 20:35
Testing how slow or fast is fetch attributes and call external functions
from timeit import timeit
class Object:
def __init__(self, x):
self.x = x
class Rule:
def __init__(self, valid_values, valid_values2):
self.valid_values = valid_values
self.valid_values2 = valid_values2
nicowilliams /
Last active November 5, 2023 12:14
fork() is evil; vfork() is goodness; afork() would be better; clone() is stupid

I recently happened upon a very interesting implementation of popen() (different API, same idea) called popen-noshell using clone(2), and so I opened an issue requesting use of vfork(2) or posix_spawn() for portability. It turns out that on Linux there's an important advantage to using clone(2). I think I should capture the things I wrote there in a better place. A gist, a blog, whatever.

This is not a paper. I assume reader familiarity with fork() in particular and Unix in general, though, of course, I link to relevant wiki pages, so if the unfamiliar reader is willing to go down the rabbit hole, they should be able to come ou

View ssl on
I am the owner of And I'm glad to hear it's helpful. In truth, it's just a fancy DNS trick. and all of it's sub-domains just point back to your computer ( That means running ssl is as simple (or difficult) as running ssl on your computer.
I'm not sure how comfortable you are with the command line, but here's my how I setup my development environment. (rvm, passenger, nginx w/ SSL, etc).
# Install rvm (no sudo!)
# ------------------------------------------------------
bash < <( curl )
source ~/.rvm/scripts/rvm
rvm install ree-1.8.7-2010.02