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原文： https://old.reddit.com/r/ExperiencedDevs/comments/nmodyl/drunk_post_things_ive_learned_as_a_sr_engineer/
中文版： https://www.ruanyifeng.com/blog/2021/06/drunk-post-of-a-programmer.html

（1）职业发展的最好方法是换公司。

以及（9）条 (15)条 (17)条，（21）（22）条， （23）是值得学习的。 以及(24)(25)条

（2）技术栈不重要。技术领域有大约 10-20 条核心原则，重要的是这些原则，技术栈只是落实它们的方法。你如果不熟悉某个技术栈，不需要过度担心。

那么问题来了，他心中的这10-20条核心原则是什么？架构设计中的吗？编码中的吗？产品中的吗？一起的呢？

（3）工作和人际关系是两回事。有一些公司，我交到了好朋友，但是工作得并不开心；另一些公司，我没有与任何同事建立友谊，但是工作得很开心。

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系统设计备忘录

挑选正确的架构约等于选择正确的战斗并做好权衡

基本步骤

1. 明确系统边界

• 用户案列 (描述哪些业务，事件，组合在一起会产生什么样的效果)
  • 谁使用这个系统?
  • 他们怎么使用这个系统?

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0x01 密码学基础

以下章节中的密码学基础部分的知识主要总结自《图解密码技术》读书笔记，图片系原文所载。有个朋友说这个是神书，我觉得大可不必，不过确切是本好书，因为能够帮助数学基础不是很好的读者快速了解密码学基础。

1. 受到的部分威胁和对应的密码技术

2. 基本的密码技术与常识

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admin account info" filetype:log
!Host=*.* intext:enc_UserPassword=* ext:pcf
"# -FrontPage-" ext:pwd inurl:(service | authors | administrators | users) "# -FrontPage-" inurl:service.pwd
"AutoCreate=TRUE password=*"
"http://*:*@www” domainname
"index of/" "ws_ftp.ini" "parent directory"
"liveice configuration file" ext:cfg -site:sourceforge.net
"parent directory" +proftpdpasswd
Duclassified" -site:duware.com "DUware All Rights reserved"
duclassmate" -site:duware.com

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#!/bin/bash

echo "\$\$ outside of subshell = $$"                              # 9602
echo "\$BASH_SUBSHELL  outside of subshell = $BASH_SUBSHELL"      # 0
echo "\$BASHPID outside of subshell = $BASHPID"                   # 9602

echo

( echo "\$\$ inside of subshell = $$"                             # 9602
  echo "\$BASH_SUBSHELL inside of subshell = $BASH_SUBSHELL"      # 1

mylamour

import sys
from PyQt6.QtCore import Qt, QRect
from PyQt6.QtGui import QPainter, QPen
from PyQt6.QtWidgets import QApplication, QMainWindow

class ScreenCapture(QMainWindow):
    def __init__(self):
        super().__init__()

        self.start_pos = None

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1. The Meaning of Security

1.1. The Cultural Legacy: Business Prevention

• Security has a bad reputation for getting in the way of real business
• This reputation has developed because of the way security professionals have practised
• We need an accurate definition of what we mean by ‘security’
• A technical definition of security may not be helpful
• Security can be defined only relative to the value and risk propositions of the business

1.2. Measuring and Prioritising Business Risk

• Risk is a combination of asset value, business impact, threat and vulnerability
• Risk management is a combination of risk assessment and ‘risk mitigation’

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This guide is unmaintained and was created for a specific workshop in 2017. It remains as a legacy reference. Use at your own risk.

Running your own encrypted chat service with Matrix and Riot

Workshop Instructor:

• Lilly Ryan @attacus_au

This workshop is distributed under a CC BY-SA 4.0 license.

What are we doing here?

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RUNPATH="$(
    cd -- "$(dirname "$0")" >/dev/null 2>&1
    pwd -P
)"
echo "$RUNPATH"

# Alice
rm -rf alice bob
mkdir -p alice/keys/ alice/texts/ bob/keys/

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import psycopg2
import psycopg2.extras
import sys
import json
import uuid

def main():
	conn_string = "host='ec2-54-xxx-yyy-zzz.cn-north-1.compute.amazonaws.com.cn' " \
				  "dbname='musicbrainz' " \
				  "user='postgres' " \