A curated list of AWS resources to prepare for the AWS Certifications
A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.
| # Fig pre block. Keep at the top of this file. | |
| [[ -f "$HOME/.fig/shell/zprofile.pre.zsh" ]] && . "$HOME/.fig/shell/zprofile.pre.zsh" | |
| eval "$(/opt/homebrew/bin/brew shellenv)" | |
| #ZSH_THEME="agnoster" | |
| DEFAULT_USER="sahiljambhekar" | |
| # Set list of themes to load | |
| # Setting this variable when ZSH_THEME=random | |
| # cause zsh load theme from this variable instead of | |
| # looking in ~/.oh-my-zsh/themes/ |
| # Fig pre block. Keep at the top of this file. | |
| [[ -f "$HOME/.fig/shell/zshrc.pre.zsh" ]] && . "$HOME/.fig/shell/zshrc.pre.zsh" | |
| # Enable Powerlevel10k instant prompt. Should stay close to the top of ~/.zshrc. | |
| # Initialization code that may require console input (password prompts, [y/n] | |
| # confirmations, etc.) must go above this block; everything else may go below. | |
| typeset -g POWERLEVEL9K_INSTANT_PROMPT=quiet | |
| typeset -g POWERLEVEL9K_INSTANT_PROMPT=off | |
| if [[ -r "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh" ]]; then | |
| source "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh" |
| 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 |
| /* | |
| Inspired from https://commitlogs.com/2016/09/10/scala-fold-foldleft-and-foldright/ | |
| */ | |
| /*Find sum of first 10 integers. | |
| For the first step: acc will be assigned 0 | |
| Thus making the first call (0,1) => 0+1 => 1 which will be assigned back to the acc. | |
| Thus making the second call (1,2) => 1+2 => 3 , so on and so fourth. | |
| */ | |
| (1 to 10).foldLeft(0)( (acc,currentNumber) => acc + currentNumber ) |
