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smj10j-ah / EarninInterviewDebuggingChallengeReadme.md
Last active March 14, 2024 18:01
Earnin's Interview Debugging Challenge Readme

Earnin Debugging Interview

Single Point of Failure Colleague

The Situation

You and a few colleagues are working on an important project with a tight deadline. Unfortunately, one of your colleagues fell ill in the middle of the project! You offered to take a look at what they were working on to help push the project forward.

Your goal is to have a form that takes a user ID as an input and prints out Hello name where name is the name of the person identified by the ID

@lkhoa103
lkhoa103 / coursera-courses-and-specializations.md
Last active October 29, 2022 21:23
A collection of courses and specializatios I want to take on www.coursera.org
@helephant
helephant / !calling-lambda-cross-account.md
Last active October 24, 2023 03:52
Calling a lambda in another AWS account by assuming a cross-account IAM role

Set up a cross-account IAM role in the destination account

  • Add a new IAM role
  • For type of trusted entity select "another AWS account"
  • Specify the accountId of the account that will be using the resource in the destination account. You can find your AWS Account ID, which is available on the support homepage when you are logged in.
  • Create a policy that allows lambda:InvokeFunction for your function and attach it to this new role.

Create a lambda in the calling account.

  • Set up a role for your lambda that is allowed to assumeRole
  • Use the AWS SDK to assume the new role in the destination account.
  • Pass the credentials to the lambda object when you create it
@eliquious
eliquious / README.md
Last active March 5, 2024 21:08
Virus Total Clone

Virus Total Design Project

VirusTotal is a online tool for cybersecurity professionals that allows for files and URLs to be scanned for malware. It also manages and displays the metadata after the analysis has been completed.

This document outlines a possible design for implementation.

Architecture

@leonardofed
leonardofed / README.md
Last active May 23, 2024 10:29
A curated list of AWS resources to prepare for the AWS Certifications


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.

@vasanthk
vasanthk / System Design.md
Last active May 25, 2024 07:39
System Design Cheatsheet

System Design Cheatsheet

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

Basic Steps

  1. 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?
@hellerbarde
hellerbarde / latency.markdown
Created May 31, 2012 13:16 — forked from jboner/latency.txt
Latency numbers every programmer should know

Latency numbers every programmer should know

L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns             
Compress 1K bytes with Zippy ............. 3,000 ns  =   3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns  =  20 µs
SSD random read ........................ 150,000 ns  = 150 µs

Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs