John F. Davis netskink

netskink / thecode.py

Created September 11, 2016 01:49

computing regression parameters gradient descent walkthru


	# coding: utf-8

	# # Computing Regression parameters (gradient descent example)

	# The data
	# Consider the following 5 point synthetic data set

	# In[1]:

netskink / computing-regression-parameters-walkthru.py

Created September 10, 2016 21:04

Notes on the computing regression parameters walkthru


	# coding: utf-8

	# # Computing Regression parameters (closed form example)

	# The data
	# Consider the following 5 point synthetic data set

	# In[1]:

netskink / testy.swift

Created March 24, 2016 11:51

	import XCTest
	@testable import SimpleApp

	class SimpleAppRandomPerfTests: XCTestCase {

	override func setUp() {
	super.setUp()
	// Put setup code here. This method is called before the invocation of each test method in the class.
	}

netskink / testya4.asm

Created February 18, 2016 16:39

	;Program received signal SIGSEGV, Segmentation fault.
	; 0xc289c031 in ?? ()
	; Cannot access memory at address 0xc289c031





	; This is buffer_overflow.c

netskink / testya5.asm

Created February 18, 2016 16:35

	; This is for buffer_overflow2.c
	; This shell code is 44 bytes in length


	;;;;;; Above this line is part of our model for how we get to our
	;;;;;; function pointer to call based upon ascii variable decoded in read buffer.
	; create a label so we know where to start looking when
	; we write the patch file.
	initialStart:
	jmp theCall

netskink / needsimprovement.swift

Created February 7, 2016 16:45

	func adjRed(inout pixel:Pixel, by:Int) {
	let redDiff = Int(pixel.red) - avgRed
	if (redDiff > 0) {
	pixel.red = UInt8(max(0,min(255, avgRed + redDiff * by)))
	}
	}

	func adjGreen(inout pixel:Pixel, by:Int) {
	let greenDiff = Int(pixel.green) - avgGreen
	if (greenDiff > 0) {

netskink / printf_format_specifiers.txt

Created February 6, 2016 12:23

printf format specifiers

	Escape sequences are used to display non-printing and hard-to-print characters. In general, these characters control how text is positioned on the screen, for example, newlines and tabs:

	Character
	Value
	Escape Sequence
	alert (beep)
	0x07
	\a
	backslash
	0x5C

netskink / uboot yocto uEnv.txt

Created July 24, 2015 12:25

This is the uEnv.txt file I used to get yocto to boot.

	##This will work with: Angstrom's 2013.06.20 u-boot.

	loadaddr=0x82000000
	fdtaddr=0x88000000
	rdaddr=0x88080000

	initrd_high=0xffffffff
	fdt_high=0xffffffff

	loadximage=load mmc 0:2 ${loadaddr} /boot/zImage-3.14.19-yocto-standard

netskink / index.html

Created July 4, 2015 16:18 — forked from anonymous/index.html

	<!DOCTYPE html>

	<html>
	<body onload="init()">
	<canvas id="canvas" width="400" height="400" style="border:solid 2px black"></canvas>
	<ul id="sliders"></ul>
	<script id="jsbin-javascript">
	var canvas;
	var context;

netskink / index.html

Created July 3, 2015 21:55 — forked from anonymous/index.html

	<body onload="init();">
	<canvas id="myCanvas" width="400" height="400">
	Your browser does not support the canvas tag.
	</canvas>
	<script id="jsbin-javascript">
	var canvas, ctx;
	var x=100, y=100;

	var angle=0;
	var x = 100;