PaulisMatrix

import os
from collections import deque
from collections.abc import Iterator, Sequence
from typing import Final, Protocol


# Protocol is much like interfaces in go where you have objects implementing the methods
# defined under a class inherting the Protocol class.
class SeekableBytesFile(Protocol):
    def seek(self, position: int, whence: int = ..., /) -> int: ...

PaulisMatrix

// Finding primes upto N 
// From this video: https://www.youtube.com/watch?v=fwxjMKBMR7s

package snippets

import (
	"container/heap"
	"fmt"
	"time"
)

PaulisMatrix

from __future__ import annotations
import time
from heapq import heapify, heappush, heappop
import math
from io import StringIO


class NotFound(Exception):
    def __init__(self, *args: object, msg: str) -> None:
        super().__init__(*args, msg)

PaulisMatrix

Memory Management Lecture - Breda University of applied sciences - Games

This is the resource repositry for my memory managment lecture / workshop series at Breda University of applied sciences - Games. It is mainly targeted for game developers

Content

• Great Reads directly about Memory Managment
• Great Youtube Videos directly about Memory Managment
• Great C++ PMR related Talks, Reads
• Related Videos & Articles as important
• Memory Debugger
• Libs, frameworks

PaulisMatrix

System Design Cheatsheet

Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps

1. Clarify and agree on the scope of the system

• User cases (description of sequences of events that, taken together, lead to a system doing something useful)
  • Who is going to use it?
  • How are they going to use it?

PaulisMatrix

   0.0 TEL | Telepresence 0.73-1694-g146d6ec launched at Tue Jan 10 19:15:06 2023
   0.0 TEL |   ./usr/local/bin/telepresence --mount=false --also-proxy=10.0.0.0/8 --run zsh
   0.0 TEL |   Using images version 0.73 (dev)
   0.0 TEL | uname: uname_result(system='Darwin', node='192.168.1.2', release='21.5.0', version='Darwin Kernel Version 21.5.0: Tue Apr 26 21:08:29 PDT 2022; root:xnu-8020.121.3~4/RELEASE_ARM64_T8101', machine='x86_64')
   0.0 TEL | Platform: darwin
   0.0 TEL | WSL: False
   0.0 TEL | Python 3.9.6 (v3.9.6:db3ff76da1, Jun 28 2021, 11:49:53)
   0.0 TEL | [Clang 6.0 (clang-600.0.57)]
   0.0 TEL | BEGIN SPAN main.py:40(main)
   0.0 TEL | BEGIN SPAN startup.py:83(set_kube_command)

PaulisMatrix

This is a test to see if psycogreen is necessary to run sqlalchemy + gevent + psycopg2 concurrently.

benchmark command (concurrency of 10)

ab -n 10 -c 10 127.0.0.1:8080/wait

psychopg2 - sync worker (expecting concurrency of 2)

gunicorn -b 127.0.0.1:8080 -w 2 test:app

PaulisMatrix

/* Useful celery config.

app = Celery('tasks',
             broker='redis://localhost:6379',
             backend='redis://localhost:6379')

app.conf.update(
    CELERY_TASK_RESULT_EXPIRES=3600,
    CELERY_QUEUES=(
        Queue('default', routing_key='tasks.#'),

PaulisMatrix

package main

import (
	"fmt"
	"os"
	"os/exec"
	"syscall"
)

func main() {