skplunkerin

Best solution:

http://stackoverflow.com/a/808776/1180523

# model
validates   :email,    :uniqueness => { message: "is wrong" }
validates   :name,    :uniqueness => { message: "Your name is wrong" }

HUMANIZED_ATTRIBUTES = {
  :email => "E-mail address",
  :name => "" # don't include column name in error

skplunkerin

When running a Rails project locally that needs SSL support you might get the following type of error:

... Puma compiled without SSL support (RuntimeError)

Here's how to fix it:

SO answer

skplunkerin

NOTE: JSON files don't normally allow comments, but VSCode allows them in .vscode/launch.json.

TODO:

• Add debug config for React/JS-HTML-CSS projects in the browser

skplunkerin

[WIP] Docker Cheatsheets

• Other resources:

  • Quick graphic cheatsheets by @collabnix

• Table of Contents:

  • The docker-compose.yml file
  • The Dockerfile file
  • CLI Commands

• Working with Images

skplunkerin

Check: https://askubuntu.com/a/142430/54348

• for Linux

  • /etc/ssh/ssh_config

• for Mac:

  • ~/.ssh/config
  • or /etc/ssh/ssh_config

Add this to your SSH config file:

skplunkerin

Deploy Instructions

1. Go to https://remix.ethereum.org

2. Click on the Deploy & run transactions on the left navigation

3. Choose the MultiSigWallet contract in the CONTRACT dropdown

4. Paste the following in the Deploy input, then click Deploy:

   ["0x5B38Da6a701c568545dCfcB03FcB875f56beddC4", "0xAb8483F64d9C6d1EcF9b849Ae677dD3315835cb2", "0x4B20993Bc481177ec7E8f571ceCaE8A9e22C02db"], 2
   

skplunkerin

Project Requirements

– Anyone should be able to deposit ether into the smart contract

– The contract creator should be able to input the following (in the constructor) :

1. the addresses of the owners
2. the number of approvals required for a transfer

For example, input 3 addresses and set the approval limit to 2.

skplunkerin

// See feedback: https://gist.github.com/skplunkerin/61fe0562a72016162aece7b22609fb62

pragma solidity 0.8.7;

contract MemoryAndStorage {

    struct User{
        uint id;
        uint balance;
    }

skplunkerin

pragma solidity 0.8.7;

contract HelloWorld {
    // called state variables:
    // string message;
    
    // CONSTRUCTORS
    // https://academy.moralis.io/lessons/constructors-2
    // runs only 1x during compile.
    // constructor(string memory _msg){

skplunkerin

Unique

https://stackoverflow.com/a/46790769/1180523

=UNIQUE(A2:A)

# Exclude the "N/A" results:
=UNIQUE(FILTER(A2:A,A2:A<>""))