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Processing JSON using jq

jq is useful to slice, filter, map and transform structured json data.

brew install jq

Below is my understanding of affine types and how they help us in Rust (unsure if I got this right - please correct if I am talking nonsense).

The issue is... How can we use the power of a type system so a compiler will block us from doing this wrong sequence of calls?

FILE *fp = NULL;
fclose(fp);
fp = fopen("...");

An idea is to "mirror" the states that the file variable goes through (unused/closed, opened) in the type system:

What you need:

Reference:

sudo fdisk -l

Download docker-compose.yml to dir named sentry
Change SENTRY_SECRET_KEY to random 32 char string
Run docker-compose up -d
Run docker-compose exec sentry sentry upgrade to setup database and create admin user
(Optional) Run docker-compose exec sentry pip install sentry-slack if you want slack plugin, it can be done later
Run docker-compose restart sentry
Sentry is now running on public port 9000

	# Sample Nginx config with sane caching settings for modern web development
	#
	# Motivation:
	# Modern web development often happens with developer tools open, e. g. the Chrome Dev Tools.
	# These tools automatically deactivate all sorts of caching for you, so you always have a fresh
	# and juicy version of your assets available.
	# At some point, however, you want to show your work to testers, your boss or your client.
	# After you implemented and deployed their feedback, they reload the testing page – and report
	# the exact same issues as before! What happened? Of course, they did not have developer tools
	# open, and of course, they did not empty their caches before navigating to your site.

	#!/usr/bin/env python3
	# This script is designed to do one thing and one thing only. It will find each
	# of the FlateDecode streams in a PDF document using a regular expression,
	# unzip them, and print out the unzipped data. You can do the same in any
	# programming language you choose.
	#
	# This is NOT a generic PDF decoder, if you need a generic PDF decoder, please
	# take a look at pdf-parser by Didier Stevens, which is included in Kali linux.
	# https://tools.kali.org/forensics/pdf-parser.
	#

	# coding: utf-8


	u"""
	线性数据结构, 栈, 队列, deques, 容器结构, 数据项之间存在相对的位置
	"""

	class Stack(object):
	u"""
	栈先进后出

	// Initialize an empty image
	dest := image.NewRGBA(image.Rect(0, 0, 800, 300))

	// Draw a white background
	draw.Draw(dest, dest.Bounds(), &image.Uniform{color.White}, image.ZP, draw.Src)

	// Read the font

	fontBytes, err := ioutil.ReadFile(exeDir + "/DejaVuSans.ttf")
	if err != nil {

	import base64
	import datetime
	import hashlib
	import hmac
	import io
	import json
	import mimetypes
	import os
	import uuid
	from urllib.error import HTTPError, URLError