Sarath Vakacharla SarathVakacharla

## CopyMongoCollection.js
//Fastest way to copy a Collection in MongoDB
db.getCollection('OriginalCollection').aggregate([ { $out: "ClonedCollection" } ]);

## System Design.md

      
              1 file
            
          
              2627 forks
            
          
              59 comments
            
          
              9459 stars
            
          
                vasanthk
                / System Design.md
            
            
              Last active
              July 6, 2024 10:13
            
              
                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?


## web-servers.md

      
              1 file
            
          
              939 forks
            
          
              238 comments
            
          
              5976 stars
            
          
                willurd
                / web-servers.md
            
            
              Last active
              July 5, 2024 18:32
            
              
                Big list of http static server one-liners
              
          
    Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.
Discussion on reddit.
Python 2.x

$ python -m SimpleHTTPServer 8000

  
## tree.html
<html>
<head>
<title>HTML &amp; CSS tree</title>

<!-- tree -->
<style type="text/css">
ul.tree {
  overflow-x: auto;
  white-space: nowrap;
}
	//Fastest way to copy a Collection in MongoDB
	db.getCollection('OriginalCollection').aggregate([ { $out: "ClonedCollection" } ]);
	<html>
	<head>
	<title>HTML & CSS tree</title>

	<!-- tree -->
	<style type="text/css">
	ul.tree {
	overflow-x: auto;
	white-space: nowrap;
	}