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TPU VM Cheetsheat

This TPU VM cheatsheet uses and was tested with the following library versions:

Library	Version
JAX	0.3.25
FLAX	0.6.4
Datasets	2.10.1
Transformers	4.27.1

How to setup Let's Encrypt for Nginx on Ubuntu 18.04 (including IPv6, HTTP/2 and A+ SLL rating)

Virtual hosts

Let's say you want to host domains first.com and second.com.

Create folders for their files:

Java uses static, declared typing:

String hello = "Hello, World!";
List<String> phrases = new ArrayList<String>;
phrases.add(hello);
phrases.add(null);
phrases.add(123); // Compile error! Not a string.

	import mmap
	import torch
	import json
	import os
	from huggingface_hub import hf_hub_download


	def load_file(filename, device):
	with open(filename, mode="r", encoding="utf8") as file_obj:
	with mmap.mmap(file_obj.fileno(), length=0, access=mmap.ACCESS_READ) as m:

	import torch
	from transformers import AutoModelForCausalLM, AutoTokenizer

	MAX_NEW_TOKENS = 128
	model_name = 'facebook/opt-66b'

	text = """
	Q: On average Joe throws 25 punches per minute. A fight lasts 5 rounds of 3 minutes.
	How many punches did he throw?\n
	A: Let’s think step by step.\n"""

	class Dog
	attr_writer :name

	def initialize(name)
	@name = name
	end

	def bark
	puts "patrick"
	end

	module Indexable(T)
	def threadpool_map(workers : Int = 8, chunk_size : Int? = nil, &func : T -> R) forall T, R
	mutex = Thread::Mutex.new
	cs = chunk_size \|\| (self.size**0.5).ceil.to_i
	Array(R).build(self.size) do \|result\|
	index = 0
	threads = Array.new(workers) {
	Thread.new do
	a = b = 0
	loop do

	# app / assets / javascripts / active_admin.js

	//= require active_admin/base
	//= require jquery.ui.widget
	//= require jquery.iframe-transport
	//= require jquery.fileupload
	//= require cloudinary/jquery.cloudinary
	//= require attachinary
	//= require attachments