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原文：程序人生

上文谈到了像读书一样阅读源码的重要性，今天谈谈如何阅读一份代码。我所谓的一份代码，其范围可能从几千行到数万行，有时甚至可多达数十万行。这些代码作为一个有机体，共同完成某些重要的功能。比如说几个著名的 full fledged web framework，祖师爷 rails，师叔 django 和小师妹 phoenix：

ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

Ctrl-Key: ^[
Octal: \033
Unicode: \u001b
Hexadecimal: \x1B
Decimal: 27

In the apps config/puma.rb file:

Change to match your CPU core count
# Check using this on the server => grep -c processor /proc/cpuinfo
workers 4

# Min and Max threads per worker
threads 1, 6

app_dir = File.expand_path('../..', FILE)

	package main

	import (
	"encoding/json"
	"errors"
	"database/sql/driver"
	"fmt"
	"github.com/jmoiron/sqlx"
	_ "github.com/lib/pq"
	"log"

	{ config, lib, pkgs, ...}:

	with lib;

	let
	cfg = config.sec.macchanger;
	in {
	options = {
	sec.macchanger = {
	enable = mkOption {

	import time
	import requests
	import logging
	import boto3
	from botocore.config import Config


	def send_price_data_to_timestream(write_client):
	base_url = "https://min-api.cryptocompare.com/data"
	symbols = "BTC,ETH,REP,DASH"

	PurpleSystemAppPort
	PurpleSystemEventPort
	UIASTNotificationCenter
	com.apple.ABDatabaseDoctor
	com.apple.AppSSO.service-xpc
	com.apple.AuthenticationServicesCore.AuthenticationServicesAgent
	com.apple.CARenderServer
	com.apple.ClipServices.clipserviced
	com.apple.CoreAuthentication.daemon
	com.apple.DeviceAccess.xpc

	# --------------------------------------
	# Programmer : github.com/PyMmdrza
	# pip install tqdm ftplib boto3 pysftp
	# --------------------------------------
	import ftplib
	import pysftp
	import boto3
	import tarfile
	import zipfile
	import os

	<svg width="300" height="300" viewBox="0 0 300 300">
	<defs>
	<filter id="paperEffect">
	<feTurbulence
	type="fractalNoise"
	baseFrequency="0.04"
	numOctaves="5"
	result="noise"
	/>
	<feDiffuseLighting