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@wpcarro
wpcarro / convolve.ts
Created May 22, 2024 18:18
Using convolution for horizontal edge detection.
// 5x5 image
const image = [
[1, 2, 3, 4, 5],
[5, 4, 3, 2, 1],
[0, 2, 4, 6, 8],
[8, 6, 4, 2, 0],
[3, 4, 5, 2, 1],
];
// seeded for horizontal edge-detection
@wpcarro
wpcarro / logic.ts
Created May 22, 2024 17:39
Logic gates from NOT, OR
// NOT: given
// OR: given
// NOR: derived
// AND: derived
// NAND: derived
// XOR: derived
// XNOR: derived
function nor(x: boolean, y: boolean): boolean {
return !(x || y);
@wpcarro
wpcarro / sized_lru.py
Created April 6, 2024 18:24
Create an LRU cache with sized elements.
from collections import OrderedDict # this is awesome
class LRU(object):
def __init__(self, capacity: int):
self.capacity = capacity
self.xs = OrderedDict()
def __repr__(self):
return f"; ".join(f"{k}: {v[0]} ({v[1]})" for k, v in self.xs.items())
@wpcarro
wpcarro / schedule.py
Last active July 5, 2023 17:26
Proof-of-concept OR
def job_shop():
machines = [
Machine(cmm_id="1"),
Machine(cmm_id="2"),
]
jobs = [
Job(job_id="431", instances=3, duration_min=20),
Job(job_id="459", instances=1, duration_min=100), # ???
Job(job_id="449", instances=10, duration_min=40),
@wpcarro
wpcarro / form.tsx
Created March 29, 2023 17:25
Custom encoder/decoder with react-hook-form and zod.
import React from "react";
import { useForm } from "react-hook-form";
import { z } from "zod";
import { zodResolver } from "@hookform/resolvers/zod";
import DimensionID from "lib/quality/DimensionID";
////////////////////////////////////////////////////////////////////////////////
// Main
////////////////////////////////////////////////////////////////////////////////
@wpcarro
wpcarro / config.yaml
Created February 18, 2023 02:26
Debugging benthos pipeline
input:
sql_raw:
driver: mssql
dsn: sqlserver://${USER}:${PASS}@some.place.com
query: |
select * from blah
output:
file:
path: '/tmp/stuff/${! json("filename") }'
@wpcarro
wpcarro / metric.json
Created February 16, 2023 20:36
Debugging stacking "version graph" in Datadog.
{
"series": [
{
"metric": "corp.service.heartbeat",
"type": 3,
"points": [
{
"timestamp": timestamp_unix(),
"value": 1,
}
@wpcarro
wpcarro / pipeline.yaml
Created February 13, 2023 19:37
Troubleshooting benthos
input:
file:
paths:
- /tmp/versions.json
codec: all-bytes
processors:
- jq:
query: '.[] | select( .Name | contains("Needle") ) | {"name": .Name, "key": .Key}'
- unarchive:
format: json_array
@wpcarro
wpcarro / examples.txt
Created February 13, 2023 03:27
Example input (#benthos)
- cmd: man passwd
when: 1653257918
- cmd: sudo passwd
when: 1653257918
- cmd: passwd
when: 1653257918
- cmd: sudo vim /etc/nixos/configuration.nix
when: 1653257918
@wpcarro
wpcarro / backfill.yaml
Created February 12, 2023 21:57
benthos definition to backfill one year's worth of logs
http:
enabled: false
input:
file:
paths:
- /tmp/errors.json
codec: all-bytes
processors:
- unarchive: