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@mikemfleming
mikemfleming / list
Last active October 9, 2017 21:16
what i learned from node interactive 2017
*********************************************
SLIDES ARE AVAILABLE ONLINE ... MOSTLY
'http://events.linuxfoundation.org/events/node-interactive/program/agenda'
*********************************************
// there is a node certification coming
'https://nodejs.org/en/foundation/education/'
// interesting talks
- 'taking your server to ludicrous speed': 'http://sched.co/AtiP'
@naesheim
naesheim / buildWhenAffected.sh
Last active November 28, 2022 20:20
CircleCi - only build features that has changed
##################
### config.yml ###
##################
version: 2
jobs:
build:
docker:
- image: circleci/python:3.6
steps:

FWIW: I (@rondy) am not the creator of the content shared here, which is an excerpt from Edmond Lau's book. I simply copied and pasted it from another location and saved it as a personal note, before it gained popularity on news.ycombinator.com. Unfortunately, I cannot recall the exact origin of the original source, nor was I able to find the author's name, so I am can't provide the appropriate credits.


Effective Engineer - Notes

What's an Effective Engineer?

@giordanocardillo
giordanocardillo / Install vsftpd with virtual users on Ubuntu 14.04.md
Last active November 18, 2020 19:23
Install vsftpd with virtual users on Ubuntu 14.04

With a bit of playing around I've managed to come up with a semi solution (not perfect but good enough)

using 2707974 answer and information I've gained else where I've been able to get what I need.

First you need vsftp and PAM installed

apt-get install vsftpd libpam-pwdfile apache2-utils

Edit /etc/vsftpd.conf

@hfreire
hfreire / qemu_osx_rpi_raspbian_jessie.sh
Last active March 24, 2024 14:35
How to emulate a Raspberry Pi (Raspbian Jessie) on Mac OSX (El Capitan)
# Install QEMU OSX port with ARM support
sudo port install qemu +target_arm
export QEMU=$(which qemu-system-arm)
# Dowload kernel and export location
curl -OL \
https://github.com/dhruvvyas90/qemu-rpi-kernel/blob/master/kernel-qemu-4.1.7-jessie
export RPI_KERNEL=./kernel-qemu-4.1.7-jessie
# Download filesystem and export location
@jboner
jboner / latency.txt
Last active July 24, 2024 19:52
Latency Numbers Every Programmer Should Know
Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference 0.5 ns
Branch mispredict 5 ns
L2 cache reference 7 ns 14x L1 cache
Mutex lock/unlock 25 ns
Main memory reference 100 ns 20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy 3,000 ns 3 us
Send 1K bytes over 1 Gbps network 10,000 ns 10 us
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD