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@isaacsanders
isaacsanders / Equity.md
Created January 21, 2012 15:32
Joel Spolsky on Equity for Startups

This is a post by Joel Spolsky. The original post is linked at the bottom.

This is such a common question here and elsewhere that I will attempt to write the world's most canonical answer to this question. Hopefully in the future when someone on answers.onstartups asks how to split up the ownership of their new company, you can simply point to this answer.

The most important principle: Fairness, and the perception of fairness, is much more valuable than owning a large stake. Almost everything that can go wrong in a startup will go wrong, and one of the biggest things that can go wrong is huge, angry, shouting matches between the founders as to who worked harder, who owns more, whose idea was it anyway, etc. That is why I would always rather split a new company 50-50 with a friend than insist on owning 60% because "it was my idea," or because "I was more experienced" or anything else. Why? Because if I split the company 60-40, the company is going to fail when we argue ourselves to death. And if you ju

@briancavalier
briancavalier / promise-monad-proof.js
Created August 8, 2012 15:57
A proof that Promises/A is a Monad
//-------------------------------------------------------------
//
// Hypothesis:
//
// Promises/A is a Monad
//
// To be a Monad, it must provide at least:
// - A unit (aka return or mreturn) operation that creates a corresponding
// monadic value from a non-monadic value.
// - A bind operation that applies a function to a monadic value
@akshay1188
akshay1188 / whatsapp-image-compression
Last active June 10, 2023 16:42
Whatsapp like image compression
- (UIImage *)compressImage:(UIImage *)image{
float actualHeight = image.size.height;
float actualWidth = image.size.width;
float maxHeight = 600.0;
float maxWidth = 800.0;
float imgRatio = actualWidth/actualHeight;
float maxRatio = maxWidth/maxHeight;
float compressionQuality = 0.5;//50 percent compression
if (actualHeight > maxHeight || actualWidth > maxWidth) {
@katowulf
katowulf / firebase_copy.js
Last active July 29, 2022 15:58
Move or copy a Firebase path to a new location
function copyFbRecord(oldRef, newRef) {
oldRef.once('value', function(snap) {
newRef.set( snap.value(), function(error) {
if( error && typeof(console) !== 'undefined' && console.error ) { console.error(error); }
});
});
}
@nebiros
nebiros / gist:9196645
Last active January 8, 2019 05:10
Send Push Notifications from node.js with Parse.com SDK
var Parse = require("parse").Parse;
Parse.initialize(
"", // applicationId
"", // javaScriptKey
"" // masterKey
);
var query = new Parse.Query(Parse.Installation)
, data = {
@tmarshall
tmarshall / aws-sns-example.js
Last active October 30, 2022 06:12
aws-sdk sns example, in Node.js
var AWS = require('aws-sdk');
AWS.config.update({
accessKeyId: '{AWS_KEY}',
secretAccessKey: '{AWS_SECRET}',
region: '{SNS_REGION}'
});
var sns = new AWS.SNS();
@obolton
obolton / elb-nodejs-ws.md
Last active November 12, 2023 11:49
Configuring an AWS Elastic Load Balancer for a Node.js application using WebSockets on EC2

AWS ELB with Node.js and WebSockets

This assumes that:

  • You are using Nginx.
  • You want to accept incoming connections on port 80.
  • Your Node.js app is listening on port 3000.
  • You want to be able to connect to your Node.js instance directly as well as via the load balancer.

####1. Create load balancer

@markusklems
markusklems / lambda-dynamo
Last active September 24, 2021 03:48
Short aws lambda sample program that puts an item into dynamodb
// create an IAM Lambda role with access to dynamodb
// Launch Lambda in the same region as your dynamodb region
// (here: us-east-1)
// dynamodb table with hash key = user and range key = datetime
console.log('Loading event');
var AWS = require('aws-sdk');
var dynamodb = new AWS.DynamoDB({apiVersion: '2012-08-10'});
exports.handler = function(event, context) {
@tsaqib
tsaqib / ideas.md
Last active April 14, 2024 12:48
Ideas that you can use for hackathons, competitions and research.

Ideas

I have collected and moderated these ideas from various public sources and put into one place so that problem solvers and solution developers may find inspirations. Because I wish to update it regularly, I have setup as a single page wiki. You may try these ideas on hackathons/competitions/research; some are quite intense problems and some are not. Many of the problems were prepared keeping Dhaka/Bangladesh in mind, but of course can be applied to just about any underdeveloped/developing and sometimes developed countries.

Categories:
  • Eradicate Extreme Poverty and Hunger
  • Education
  • Healthcare
  • Governance
//
// RBResizer.swift
// Locker
//
// Created by Hampton Catlin on 6/20/14.
// Copyright (c) 2014 rarebit. All rights reserved.
// Updated by Justin Winter on 11/29/15.
//
extension UIImage {