Mattamorphic

Sign commits on the current branch since the SHA (inclusive)

git rebase --exec 'git commit --amend --no-edit -n -S' -i SHA^

Mattamorphic

#include <mpi.h>
#include <stdio.h>

int main(int argc, char** argv) {
    // Initialize the MPI environment
    MPI_Init(NULL, NULL);

    // Get the number of processes
    int world_size;
    MPI_Comm_size(MPI_COMM_WORLD, &world_size);

Mattamorphic

##
# Reusable Makefile  
#
# usage: `make [PROCESS] TARGET=[FILENAME_NO_EXT] NODES=node1,node2,node3`
# example: `make all TARGET=hello-world NODES=node1,node2,node3`
COMPILER=mpic++
COMPILER_FLAGS=-g -std=c++0x -O0
OBJECTS=$(TARGET).o
HOSTS=--host $(NODES)
PROCESS_COUNT = -np $(shell echo $(NODES), | grep -o "," | wc -l)

Mattamorphic

# -*- mode: ruby -*-
# vi: set ft=ruby :

# Vagrantfile API/syntax version. Don't touch unless you know what you're doing!
VAGRANTFILE_API_VERSION = "2"

# choose how many machines the cluster will contain
N_VMS = 3

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|

Mattamorphic

package com.mattamorphic.concurrent.assignment2;

import java.util.concurrent.RecursiveAction;
import java.util.ArrayList;
public class InsertionSortAction extends RecursiveAction {

    private ArrayList<Integer> list;

    InsertionSortAction(ArrayList<Integer> list) {
        this.list = list;

Mattamorphic

  
name: Publish Docker image

on:
  push:
    branches:
    - master
    paths:
    - 'docker-example/*'
    - '.github/workflows/docker-example.yml'

Mattamorphic

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.mattamorphic.maven.gpr</groupId>
    <artifactId>maven-install-test</artifactId>
    <version>1.0.0</version>

Mattamorphic

# Given f(x) = x**4 - 3**3 + 2 = f1(x) = 4x**3 - 9**2
# lets start at x = 6
curr_x = 6
gamma = 0.001
precision = 0.0000001
step_size = 1
max_iterations = 1000
i = 0

df = lambda x: (4 * x**3) - (9**2)

Mattamorphic

export enum AccountType {
  USER = 'User',
  ORGANIZATION = 'Organization'
}

export interface Account {
  login: string;
  id: number;
  node_id: string;
  avatar_url: string;

Mattamorphic

name: Deploy package to GitHub package registry
on:
  pull_request:
    branches:
      - master
  push:
    branches:
      - master
jobs:
  build: