Gagan Srai gsrai

## README.md

      
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                gsrai
                / README.md
            
            
              Created
              May 20, 2024 20:36
            
              
                Web Dev in Go 1.22
              
          
    Web Dev in Go 1.22

Go 1.22 now ships with an HTTP server multiplexer, so there is no longer a need to include routing libraries
like httprouter or chi.
Basic use of http.ServeMux

package main

  
## foo.md

      
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                gsrai
                / foo.md
            
            
              Created
              February 20, 2023 16:25
            
              
                C vs C++ vs Rust (and Clojure, Python & Go)
              
          
    C vs C++ vs Rust (and Clojure, Python & Go)

source
Original

int calculate(int bottom, int top)
{
    if (top > bottom)

  
## map.go
package utils

func GetKeys[K comparable, V any](m map[K]V) []K {
	keys := make([]K, 0, len(m))
	for k := range m {
		keys = append(keys, k)
	}
	return keys
}

## .vimrc
set termguicolors

" Set compatibility to Vim only.
" be vim no vi.
set nocompatible

" Disable the default Vim startup message.
set shortmess+=I

" Helps force plug-ins to load correctly when it is turned back on below.

## install_go.sh
#!/usr/bin/env bash

# find filename on https://go.dev/dl/
GO_FILE_NAME="go1.19.3.darwin-arm64.tar.gz"

# usage:
# chmod u+x install_go.sh
# sudo ./install_go.sh

mkdir /tmp/downloads

## install_python.md

      
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                gsrai
                / install_python.md
            
            
              Created
              September 17, 2022 14:12
            
              
                python install on mac
              
          
    Install Python on Mac


source 1
source 2


brew install pyenv
Add this to your ~/.zshrc:

export PYENV_ROOT="$HOME/.pyenv"
export PATH="$PYENV_ROOT/shims:$PATH"

  
## Notes.md

      
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                gsrai
                / Notes.md
            
            
              Created
              July 26, 2022 12:48
            
              
                AWS Cognito User Pool vs Identity Pool
              
          
    Cognito

Securing something is about restricting access or access control.
To control access, you need to differentiate those who have access and those who don't.
This inherently requires you to be able to identify the user (authentication).
To identify users, you need an identity provider, a service that stores and provides user information aka identity.
Once you can identify users, you need to associate a user/s to a permissions list or ruleset.
The Cognito User Pool is an identity provider, and the Cognito Identity Pool federates identities
from multiple identity providers and then applys a ruleset via IAM roles.

  
## Notes.md

      
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                gsrai
                / Notes.md
            
            
              Created
              July 26, 2022 12:31
            
              
                AWS IAM and ARN
              
          
    Identity and Access Management and Amazon Resource Names

An AWS account has resources and users. It also has an account-id.
By default a root user is created, and this user has complete and unrestricted
access to all resources in your AWS account.
AWS IAM is used to manage users (identity) and resource access (access management) on an AWS account.
All AWS resources have a unique identifier known as an ARN.

  
## index.html
<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>center a div</title>
  <style>
    .container {
      height: 100vh;
      display: flex;

## main.go
package main

import "fmt"

type Node[T any] struct {
	Next  *Node[T]
	Value T
}

type LinkedList[T any] struct {
	package utils

	func GetKeys[K comparable, V any](m map[K]V) []K {
	keys := make([]K, 0, len(m))
	for k := range m {
	keys = append(keys, k)
	}
	return keys
	}
	set termguicolors

	" Set compatibility to Vim only.
	" be vim no vi.
	set nocompatible

	" Disable the default Vim startup message.
	set shortmess+=I

	" Helps force plug-ins to load correctly when it is turned back on below.
	#!/usr/bin/env bash

	# find filename on https://go.dev/dl/
	GO_FILE_NAME="go1.19.3.darwin-arm64.tar.gz"

	# usage:
	# chmod u+x install_go.sh
	# sudo ./install_go.sh

	mkdir /tmp/downloads
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="UTF-8" />
	<meta name="viewport" content="width=device-width, initial-scale=1.0" />
	<title>center a div</title>
	<style>
	.container {
	height: 100vh;
	display: flex;
	package main

	import "fmt"

	type Node[T any] struct {
	Next *Node[T]
	Value T
	}

	type LinkedList[T any] struct {