noxasaxon

Learning Rust

Getting Started + Installation | Cheat Sheet

Table of Contents

1. How Do I Start Learning Rust?!
2. Ok, I Think I Know The Basics But How Do I Get Better?!
3. Rustlang Tooling
4. Helpful References Throughout Your Journey
5. The Rust Community
6. Recommended (but not free) Books & Courses

simolus3

import 'package:flutter/material.dart';
import 'package:http/http.dart';
import 'package:web3dart/web3dart.dart';

void main() {
  runApp(MaterialApp(
    home: EthApp(),
    theme: ThemeData(
      primaryColor: Colors.orange,
      typography: Typography(

wronk

Overview of Python Virtual Environments

This guide is targetted at intermediate or expert users who want low-level control over their Python environments.

When you're working on multiple coding projects, you might want a couple different version of Python and/or modules installed. This helps keep each workflow in its own sandbox instead of trying to juggle multiple projects (each with different dependencies) on your system's version of Python. The guide here covers one way to handle multiple Python versions and Python environments on your own (i.e., without a package manager like conda). See the Using the workflow section to view the end result.

h/t @sharkinsspatial for linking me to the perfect cartoon

fgilio

/*
 * Handling Errors using async/await
 * Has to be used inside an async function
 */
try {
    const response = await axios.get('https://your.site/api/v1/bla/ble/bli');
    // Success 🎉
    console.log(response);
} catch (error) {
    // Error 😨

purp

Debugging Travis CI locally using Docker

This assumes you've got docker-machine installed, running, and can do docker run

1. Get a debug instance running

    docker run --name travis-debug -dit quay.io/travisci/travis-ruby /sbin/init
    docker exec -it travis-debug bash -l

natdm

//GetTransactionsAndLinesForBidder hits the database 3 times. Let's make that fast.
func (db *DB) GetTransactionsAndLinesForBidder(bidderID int) ([]BidderTransaction, error) {

  //Establish a waitgroup. This has 3 functions only. Add, Wait, and Done. You add to the WaitGroup and hit Done when you are
  // done with a process. It will stop the function at Wait until the WaitGroup is at 0.
	var wg sync.WaitGroup
	
	//Get the transaction 'shell'
	trans, err := db.GetTransactionsForBidder(bidderID)
	if err != nil {