Ryan Martinsen popthestack

## ten-seconds.md

      
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                mewmew
                / ten-seconds.md
            
            
              Created
              March 1, 2021 20:24
                — forked from veggiedefender/CANCEL_THE_ICE_CONTRACT.jpg
            
          
    Ten seconds to ponder if a thread is worth it


A userstyle that makes you wait ten seconds before entering a Hacker News thread. I use stylus to manage mine.
.subtext {
  display: inline-block;
 background: linear-gradient(to left, transparent 50%, #f60 50%) right;

  
## vimeo_download_subtitles.md

      
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                pjmartorell
                / vimeo_download_subtitles.md
            
            
              Last active
              September 23, 2023 07:56
            
              
                How to download subtitles/text tracks of a On Demand Vimeo video
              
          
    Download subtitles/text tracks of an On-Demand Vimeo video

It works with on-demand videos that have the subtitles/captions included (CC symbol). You need to be registered in Vimeo in order to retrieve subtitles.
Steps


Open Chrome Developer Tools
Start playing the Vimeo video
Look for any request named segment-XX.m4s (where XX is a number)
Select the request and inspect the request payload, which is something in the form:


## api-cheatsheet-array.md

      
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                rauschma
                / api-cheatsheet-array.md
            
            
              Last active
              April 11, 2023 21:31
            
          
    This content moved here: https://exploringjs.com/impatient-js/ch_arrays.html#quickref-arrays

  
## howto-split-dns-macos.md

      
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                dferg
                / howto-split-dns-macos.md
            
            
              Last active
              June 3, 2024 18:42
            
          
    Introduction

Sometimes you may want to use a DNS server for specific domain requests and another DNS server for all other requests. This is helpful, for instance, when connected to a VPN. For hosts behind that VPN you want to use the VPN's DNS server but all other hosts you want to use Google's public DNS. This is called "DNS splitting."
Here, we run dnsmasq as a background service on macOS. The dnsmasq configuration described below implements DNS splitting.
Install

brew install dnsmasq


## System Design.md

      
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                vasanthk
                / System Design.md
            
            
              Last active
              July 2, 2024 18:53
            
              
                System Design Cheatsheet
              
          
    System Design Cheatsheet


Picking the right architecture = Picking the right battles + Managing trade-offs

Basic Steps


Clarify and agree on the scope of the system


User cases (description of sequences of events that, taken together, lead to a system doing something useful)

Who is going to use it?
How are they going to use it?


## reflection.php
<?php           //\\           dɥd¿>
;namespace                ǝɔɐdsǝɯɐu;

class                          ssɐlɔ
{               //\\               }

    function            uoıʇɔunɟ
    (                          )
    {           //\\           }
        ;echo          oɥɔǝ;

## TackyLights.html
<html>
  <head>
    <title>Tacky Lights</title>
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
    <meta name="viewport" content="width=device-width" />
    <!--<link rel="apple-touch-icon-precomposed" sizes="120x120" href="put-your-holiday-icon-here" />-->
  </head>
  <body>
    <ol id="list"></ol>
    <script type="text/javascript">

## post-checkout
#!/bin/bash

# Put this file at: .git/hooks/post-checkout
# and make it executable
# You can install it system wide too, see http://stackoverflow.com/a/2293578/685587

PREV_COMMIT=$1
POST_COMMIT=$2

NOCOLOR='\e[0m'

## tmux.md

      
              1 file
            
          
              758 forks
            
          
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                andreyvit
                / tmux.md
            
            
              Created
              June 13, 2012 03:41
            
              
                tmux cheatsheet
              
          
    tmux cheat sheet

(C-x means ctrl+x, M-x means alt+x)
Prefix key

The default prefix is C-b. If you (or your muscle memory) prefer C-a, you need to add this to ~/.tmux.conf:
remap prefix to Control + a


## latency.txt
Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD
	<?php //\\ dɥd¿>
	;namespace ǝɔɐdsǝɯɐu;

	class ssɐlɔ
	{ //\\ }

	function uoıʇɔunɟ
	( )
	{ //\\ }
	;echo oɥɔǝ;
	<html>
	<head>
	<title>Tacky Lights</title>
	<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
	<meta name="viewport" content="width=device-width" />
	<!--<link rel="apple-touch-icon-precomposed" sizes="120x120" href="put-your-holiday-icon-here" />-->
	</head>
	<body>
	<ol id="list"></ol>
	<script type="text/javascript">
	#!/bin/bash

	# Put this file at: .git/hooks/post-checkout
	# and make it executable
	# You can install it system wide too, see http://stackoverflow.com/a/2293578/685587

	PREV_COMMIT=$1
	POST_COMMIT=$2

	NOCOLOR='\e[0m'
	Latency Comparison Numbers (~2012)
	----------------------------------
	L1 cache reference 0.5 ns
	Branch mispredict 5 ns
	L2 cache reference 7 ns 14x L1 cache
	Mutex lock/unlock 25 ns
	Main memory reference 100 ns 20x L2 cache, 200x L1 cache
	Compress 1K bytes with Zippy 3,000 ns 3 us
	Send 1K bytes over 1 Gbps network 10,000 ns 10 us
	Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD