mohanmca

vs Questions

---

1. http://stackoverflow.com/questions/804115 (rebase vs merge).
2. https://www.atlassian.com/git/tutorials/merging-vs-rebasing (rebase vs merge)
3. https://www.atlassian.com/git/tutorials/undoing-changes/ (reset vs checkout vs revert)
4. http://stackoverflow.com/questions/2221658 (HEAD^ vs HEAD~) (See git rev-parse)
5. http://stackoverflow.com/questions/292357 (pull vs fetch)
6. http://stackoverflow.com/questions/39651 (stash vs branch)
7. http://stackoverflow.com/questions/8358035 (reset vs checkout vs revert)

mohanmca

// === Arrays

var [a, b] = [1, 2];
console.log(a, b);
//=> 1 2


// Use from functions, only select from pattern
var foo = () => [1, 2, 3];

mohanmca

// Promise.all is good for executing many promises at once
Promise.all([
  promise1,
  promise2
]);

// Promise.resolve is good for wrapping synchronous code
Promise.resolve().then(function () {
  if (somethingIsNotRight()) {
    throw new Error("I will be rejected asynchronously!");

mohanmca

/*
 * Easing Functions - inspired from http://gizma.com/easing/
 * only considering the t value for the range [0, 1] => [0, 1]
 */
EasingFunctions = {
  // no easing, no acceleration
  linear: function (t) { return t },
  // accelerating from zero velocity
  easeInQuad: function (t) { return t*t },
  // decelerating to zero velocity

mohanmca

What is the appeal of dynamically-typed languages?

Kris Nuttycombe asks:

I genuinely wish I understood the appeal of unityped languages better. Can someone who really knows both well-typed and unityped explain?

I think the terms well-typed and unityped are a bit of question-begging here (you might as well say good-typed versus bad-typed), so instead I will say statically-typed and dynamically-typed.

I'm going to approach this article using Scala to stand-in for static typing and Python for dynamic typing. I feel like I am credibly proficient both languages: I don't currently write a lot of Python, but I still have affection for the language, and have probably written hundreds of thousands of lines of Python code over the years.

mohanmca

1 KB JavaScript Library for Building Front-End Applications

• 0. Introduction
• 1. What is HyperApp?
• 2. Concepts
  • 2.1. Virtual Nodes
  • 2.2. The State, View, and Actions
  • 2.3. Visualizing the Architecture
  • 2.4. Side Effects
• 3. Examples

mohanmca

• https://www.quora.com/Can-I-hack-someones-Instagram-account-without-his-her-knowing"
• https://www.quora.com/How-do-I-hack-the-internet"
• https://www.quora.com/I-connected-my-Win-10-phone-…eone-hack-my-phone-photos-by-using-my-MAC-address"
• https://www.quora.com/Is-there-any-last-minute-tips-for-PTE-English-test"
• https://www.quora.com/Life-Lessons-What-can-I-lear…ute-that-will-be-useful-for-the-rest-of-my-life-1"
• https://www.quora.com/topic/Tips-and-Hacks-for-Everyday-Life"
• https://www.quora.com/What-5-minute-life-hacks-have-you-actually-applied-to-your-life"
• https://www.quora.com/What-are-some-good-internet-hacks"
• https://www.quora.com/What-are-some-good-last-minute-GRE-hacks"
• https://www.quora.com/What-are-some-good-pieces-of-advice-for-my-Hack-Reactor-interview"

mohanmca

Studying for a Tech Interview Sucks, so Here's a Cheat Sheet to Help

This list is meant to be a both a quick guide and reference for further research into these topics. It's basically a summary of that comp sci course you never took or forgot about, so there's no way it can cover everything in depth. It also will be available as a gist on Github for everyone to edit and add to.

Data Structure Basics

###Array ####Definition:

• Stores data elements based on an sequential, most commonly 0 based, index.
• Based on tuples from set theory.

mohanmca

4 problems with callback

• Call back hell
• Underyling concurrency is complex
• callback called more than once
• changes the error sequence (not like try-catch)

Event Handler

• Events are not handled as first-class value in handler, as handlers ignores return value of handler
• Can't compose two event handlers

mohanmca

Cheat Sheet

This cheat sheet originated from the forum, credits to Laurent Poulain. We copied it and changed or added a few things.

Evaluation Rules

• Call by value: evaluates the function arguments before calling the function
• Call by name: evaluates the function first, and then evaluates the arguments if need be