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Patrick Venture pstrinkle

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View swampd sample configs
sensors config:::
fan2:
type: fan
readpath: /xyz/openbmc_project/sensors/fan_tach/fan2
writepath: /sys/class/hwmon/hwmon0/pwm1
min: 0
max: 255
fan6:
type: fan
View dailyactive.py
"""
Python that records information to compute daily active users for your site, assuming your site is running with python. :D (obviously)
Assumes you're concerned about the eastern timezone.
"""
from redis import StrictRedis
from datetime import datetime
from pytz import timezone
View launch_popup.js
/**
* launch_popup
*
* Launch a popup for the url provided.
*/
function launch_popup(url) {
var wwidth = $(window).width();
var wheight = $(window).height();
var width = (wwidth > 600) ? 600 : wwidth - 50;
@pstrinkle
pstrinkle / interview.md
Last active Sep 16, 2018
My favorite interview questions
View interview.md

free-form answer

computer science (algorithms, architecture, data structures, and operating system theory)

  1. under what circumstances would you use an array over an linked-list (or other data structure)?
  2. what is the average search time for a binary search tree?
  • what can impact a binary search tree's performance metrics?
  • how can these algorithmic vulnerabilities be mitigated?
  1. what are at least two approaches to hash table insertion collisions?
  • what are the algorithmic costs to each?
  1. what is the difference between a process and a thread?
@pstrinkle
pstrinkle / mem.c
Last active May 20, 2016
memory-alignment for allocation in C
View mem.c
/*
* In this example, we don't used fixed-length types, which bugs me, but the idea is that it has to work on memory-length numbers.
*
* So it takes long, which is memory address length. So, you can change it to uint64_t or uint32_t, or just ints or size_t if you want
* and it should mostly work. However, for this exmaple to be complete, I needed the rounding to support memory addresses as input.
*/
/* 4KiB for this example. */
#define ALIGNMENT_SIZE 0x1000
#define NULL ((void*)0)
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