karmanyaahm

Core words

Arigatou Gozaimasu - Thank you Domo - thanks + bow arigatou gozaimasu shita - thank you [end of conversation]

Summimassen - Excuse me/Sorry

onegaishimasu - please

daijoubu/daijubu desu - it's ok (no thanks)

karmanyaahm

# Storage service profit accumulation simulation

# Variables (constants in uppercase)
print("Cost Price: $0.50 for operations, $0.99 for backup (AWS Glacier), $6 for Backblaze object storage * taxes")
COST_PRICE = 7.49 * 1.0825 # $/TB/month  

USER_CHARGE = 20  # $/TB/month
print(f"Google Photos is $10/TB/month, we charge ${USER_CHARGE}")

print("Optimistic 0% inflation in storage if drive prices keep falling")

karmanyaahm

#!/usr/bin/env bash
# run this as chmod +x ~/bin/usageDirectAppToBucketsFile.sql; ~/bin/usageDirectAppToBucketsFile.sql usageDirect-history.sqlite3
tail -n +6 "$0" | sqlite3 "$1"
exit $?

-- sql commands

karmanyaahm

from metpy.calc import *
from metpy.constants.nounit import epsilon
from metpy.units import units

print("epsilon", epsilon)
p = 1 * units.atm
T_amb = 20 * units.degC
rh = .90 * units.atm/units.atm
print(f"starting_rel_humid {rh.to('percent'):.1f}")
print(f"ambient_temp {T_amb.to('degC'):.1f}")

karmanyaahm

#!/usr/bin/env python3
"""
venmoToBuckets.py
Merge one or more Venmo CSV exports into buckets.csv

  ID, Date (YYYY‑MM‑DD), Memo, Amount

• Amount keeps the sign but no dollar symbol.
• Deduplicates by ID across all inputs.
• Prints each file’s ending balance.

karmanyaahm

Because newer versions of raspberry pi OS don't have the pi:raspberry user anymore, we need to create it manually by putting a file called userconf.txt in bootfs with the following contents:

pi:$6$y386.4xa.5z9PXrO$tiu/VR9gjA3fjLuskScBnA8RtnvN7Pcif4pHpcpgIrx388LRZwkeXm7Ahjm0S1pAPdZVfLfqwjNYNqTDz2LXJ.


`touch ssh`

https://forums.raspberrypi.com/viewtopic.php?t=357623#p2144098

karmanyaahm

all: clean build

build:
	gcc student_a64_template.s a64_testbench.o -o ac_lab -g -lm

run: build
	qemu-aarch64 ./ac_lab ${ARGS}

run-and-wait-for-debug:
	while true; do make build && qemu-aarch64 -g 25540 ./ac_lab ${ARGS}; sleep 1; done

karmanyaahm

# NIXPKGS_ALLOW_UNSUPPORTED_SYSTEM=1 nix  build --impure .#opi
{
  description = "NixOS Orange Pi Zero configuration flake";
  inputs.nixpkgs.url = "github:nixos/nixpkgs/nixos-23.05";


  outputs = { self, nixpkgs }: rec {
  pkgsIntel = import nixpkgs {
    system = "x86_64-linux";   # or something else
    config = { allowUnfree = true; allowUnsupportedSystem = true;};

karmanyaahm

# Minimum index is 1, the IHDR block MUST be first for a valid PNG
# this assumes the skipped blocks aren't very large, so it reads the whole block into memory at once, beware of setting index to more than 1
# The script is also read into memory so don't make it too large
def insert_text_chunk(filein, fileout, text, index = 1):
    from binascii import crc32
    from struct import pack, unpack
    with open(filein, 'rb') as fin, open(fileout, 'wb') as fout:
        fout.write(fin.read(8)) # PNG Header

        # skip blocks

karmanyaahm

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