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

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

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() {