zhum’s gists

zhum / nvidia-smi-q.txt

Last active October 21, 2023 00:33

nvidia-smi cheatsheet

	nvidia-smi --query-gpu=OPTION,... [--format=csv[,hoheader]]

	timestamp - YYYY/MM/DD HH:MM:SS.msec
	driver_version
	count
	name or gpu_name
	serial or gpu_serial
	uuid or gpu_uuid
	pci.bus_id or gpu_bus_id - domain:bus:device.function, in hex
	pci.domain

zhum / python-task-pool.py

Created December 2, 2022 13:47

Wrapper to execute one function with different arguments in parallel, using execution pools

	import concurrent.futures
	import functools
	import queue

	import subprocess
	import random


	def pool_wrapper(q_in, q_out, size=5):
	def pool_wrapper_inner(func):

zhum / bash-lib.sh

Last active January 20, 2024 01:44

A library of usefull BASH 4+ functions (many won't work in sh)

	# Please, check https://github.com/dylanaraps/pure-bash-bible
	# It is a great chest of treasures

	######## STRINGS #############

	# check if elemet is in the ARRAY
	# Usage:
	# arr=(a b x)
	# containsElement 'x' arr
	containsElement () {

zhum / awk-replaces.sh

Created July 31, 2022 09:20

awk replacement sample

	#!/bin/sh

	# replace "Nodename=abc Uptime=1 CPUs=128 State=Drain Reason=no cpu detected [12:00]" -> "abc: no cpu detected"

	gawk '{print gensub(/NodeName=([[:alnum:]]+).Reason=([^[]+)\[./, "\\1: \\2", "g") }'

zhum / kube-error-upgrade-connection

Last active April 29, 2022 12:33

kube-error-upgrade-connection

	Cannot connect to any pod - get "Unable to upgrade connection".

	Log:
	Apr 2 03:42:59 graphit kubelet[18632]: E0402 03:42:59.173155 18632 server.go:253] Unable to authenticate the request due to an error: x509: certificate has expired or is not yet valid

	Meanwhile:

	CERTIFICATE EXPIRES RESIDUAL TIME CERTIFICATE AUTHORITY EXTERNALLY MANAGED
	admin.conf Apr 02, 2023 00:29 UTC 364d no
	apiserver Apr 02, 2023 00:29 UTC 364d ca no

zhum / scheduler_for_buckets.rb

Created March 30, 2022 21:52

scheduler_for_buckets

	# // # // Implement a function that orders inputs to schedule for min TAT (Turn around time == Total Run Time)
	# // # // Input: (list of runtimes, number of parallel buckets)
	# // # // Output: Should parallelize individual tasks such that total TAT is minimum.
	# // # // Example:
	# // # // In: [4, 3, 100, 2, 1], parallel = 2
	# // # // Out: [[100], [4, 3, 2, 1]], TAT: 100
	# // # // [100, 10] -> 100
	# // # // In: [4, 3, 100, 2, 1], parallel = 1
	# // # // Out: [[100, 4, 3, 2, 1]], TAT: 110
	# // # //

zhum / memoization.rb

Created January 28, 2022 08:49 — forked from cqfd/memoization.rb

Ruby memoization exercise

	require 'minitest/autorun'

	module Memoization
	def memoize(f, injected_cache={})
	m = instance_method(f)
	define_method(f) do \|*args\|
	cache = injected_cache.clone
	define_singleton_method(f) do \|*args\|
	unless cache[args]
	puts "Actually calculating..."

zhum / eink_demo.ino

Created October 24, 2021 06:24 — forked from xxlukas42/eink_demo.ino

MH-ET LIVE 1.54-inches E-Paper demo

	#include <GxEPD.h>
	#include <GxGDEP015OC1/GxGDEP015OC1.cpp>
	#include <Fonts/OpenSansBold12pt7b.h>
	#include <Fonts/OpenSansBold14pt7b.h>
	#include <Fonts/OpenSansBold30pt7b.h>

	#include <GxIO/GxIO_SPI/GxIO_SPI.cpp>
	#include <GxIO/GxIO.cpp>

	#include GxEPD_BitmapExamples

zhum / gtk-test.rb

Created October 17, 2021 15:32

Incorrect columns edit example

	#!/usr/bin/env ruby
	# frozen_string_literal: true
	#
	require 'gtk2'

	Gtk.init
	@window = Gtk::Window.new( Gtk::Window::TOPLEVEL )
	@window.set_size_request( 1500, 500 )
	@window.signal_connect( "delete_event" ) { Gtk.main_quit }
	#@window.set_border_width( 5 )

zhum / bot.rb

Last active September 22, 2021 12:23 — forked from dideler/bot.rb

Sending a notification message to Telegram using its HTTP API via cURL

	# Use this script to test that your Telegram bot works.
	#
	# Install the dependency
	#
	# $ gem install telegram_bot
	#
	# Run the bot
	#
	# $ ruby bot.rb
	#

Zhumatiy Sergey zhum