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@morganp
morganp / timeformat.v
Last active July 29, 2020 16:53
Verilog time format
//To change the way (below) is displayed
$display("%t", $realtime);
//$timeformat(unit#, prec#, "unit", minwidth);
$timeformat(-3, 2, " ms", 10); // -3 and " ms" give useful display msg
unit is the base that time is to be displayed in, from 0 to -15
precision is the number of decimal points to display.
"unit" is a string appended to the time, such as " ns".
minwidth is the minimum number of characters that will be displayed.
@dropwhile
dropwhile / install-setup.txt
Last active February 28, 2020 05:43
python serialization speed comparison
virtualenv --no-site-packages hodor
hodor/bin/pip install simplejson ujson cbor tnetstring msgpack-python
curl -s 'http://www.json-generator.com/api/json/get/cvfsLVmKiG?indent=2' > test.json
hodor/bin/python shootout.py
@Nurdok
Nurdok / python_conversion.md
Last active July 11, 2024 15:00
Python Conversion

Python Number Conversion Chart

From To Expression
@embolalia
embolalia / gist:5660363
Last active December 17, 2015 19:29
A quick script that makes my raspi light up for different ping times. It's a terrible hack, and was not written with the intent of making it public. Please don't hurt me.
#!/usr/bin/env python
import RPi.GPIO as gpio
from time import sleep
import re
import sys
gpio.setmode(gpio.BCM)
red = 23
yel = 24
@vkotovv
vkotovv / app.py
Created August 20, 2013 14:08
Clear data for all tables via flask-sqlalchemy
def clear_data(session):
meta = db.metadata
for table in reversed(meta.sorted_tables):
print 'Clear table %s' % table
session.execute(table.delete())
session.commit()
@baalexander
baalexander / avr_and_arduino.md
Last active January 28, 2022 12:10
The AVR and the Arduino

(Note: This was originally from my blog post on AlexanderRobotics.com, but I brought that site down and wanted to keep this post alive since it's referenced by Stack Overflow).

Introduction

The beauty of the Arduino lies in its simplicity. A look under the covers of the Arduino and its IDE, however, reveals a fascinating chipset and an open, extensive toolchain.

# First, Install Vagrant and Virtualbox then:
# Create new project directory
mkdir -p ~/Sites/newproject # Create new project directory
mk ~/Sites/newproject # Go into your new project directory
# Setup Vagrant
vagrant init
# Edit vagrant file box and box url to install Ubuntu, just like https://gist.github.com/fideloper/dab171a2aa646e86b782#file-vagrantfile-share-var-www-rb-L6-L8
# Edit Vagrantfile to create a static IP address, just like https://gist.github.com/fideloper/dab171a2aa646e86b782#file-vagrantfile-share-var-www-rb-L10
@offlinemark
offlinemark / gist:11227905
Created April 23, 2014 18:50
fix for vagrant "vboxfs" error. run in guest.
sudo ln -s /opt/VBoxGuestAdditions-4.3.10/lib/VBoxGuestAdditions /usr/lib/VBoxGuestAdditions