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@BlockmanCodes
BlockmanCodes / 01_simpleSwap.js
Created July 23, 2023 20:04
Uniswap: Universal Router: ETH to USDC
const { SwapRouter } = require('@uniswap/universal-router-sdk')
const { TradeType, Ether, Token, CurrencyAmount, Percent } = require('@uniswap/sdk-core')
const { Trade: V2Trade } = require('@uniswap/v2-sdk')
const { Pool, nearestUsableTick, TickMath, TICK_SPACINGS, FeeAmount, Trade: V3Trade, Route: RouteV3 } = require('@uniswap/v3-sdk')
const { MixedRouteTrade, Trade: RouterTrade } = require('@uniswap/router-sdk')
const IUniswapV3Pool = require('@uniswap/v3-core/artifacts/contracts/UniswapV3Pool.sol/UniswapV3Pool.json')
const JSBI = require('jsbi')
const erc20Abi = require('../abis/erc20.json')
@myshov
myshov / function_invocation.js
Last active August 19, 2024 12:23
11 Ways to Invoke a Function
console.log(1);
(_ => console.log(2))();
eval('console.log(3);');
console.log.call(null, 4);
console.log.apply(null, [5]);
new Function('console.log(6)')();
Reflect.apply(console.log, null, [7])
Reflect.construct(function(){console.log(8)}, []);
Function.prototype.apply.call(console.log, null, [9]);
Function.prototype.call.call(console.log, null, 10);
@jdx
jdx / boot.js
Last active August 11, 2024 13:00
zero-downtime node.js app runner
// This script will boot app.js with the number of workers
// specified in WORKER_COUNT.
//
// The master will respond to SIGHUP, which will trigger
// restarting all the workers and reloading the app.
var cluster = require('cluster');
var workerCount = process.env.WORKER_COUNT || 2;
// Defines what each worker needs to run
@adamwiggins
adamwiggins / adams-heroku-values.md
Last active November 5, 2024 21:40
My Heroku values

Make it real

Ideas are cheap. Make a prototype, sketch a CLI session, draw a wireframe. Discuss around concrete examples, not hand-waving abstractions. Don't say you did something, provide a URL that proves it.

Ship it

Nothing is real until it's being used by a real user. This doesn't mean you make a prototype in the morning and blog about it in the evening. It means you find one person you believe your product will help and try to get them to use it.

Do it with style

@davidtheclark
davidtheclark / isElementInViewport.js
Created May 4, 2013 02:00
JavaScript: Is element in viewport?
/*
No jQuery necessary.
Thanks to Dan's StackOverflow answer for this:
http://stackoverflow.com/questions/123999/how-to-tell-if-a-dom-element-is-visible-in-the-current-viewport
*/
function isElementInViewport(el) {
var rect = el.getBoundingClientRect();
return (
rect.top >= 0 &&
@oroce
oroce / bunyan-pipe-to-mongodb.js
Created November 10, 2012 21:29
pipe bunyan logger into mongodb (even with node-restify)
var mongoCol = require( "mongo-col" ),
mongoStream = require( "mongo-stream" ),
mongoInsertStream = mongoStream( mongoCol( "piped-collection", null, {
dbOptions:{
safe: true
}
})),
Logger = require( "bunyan" );
new Logger({
@johntitus
johntitus / nodeWatermark.js
Created November 5, 2012 18:16
(Node.js) Watermark an image using ImageMagick from two streams.
/**
* Dependencies
*/
var fs = require('fs'),
request = require('request'),
cp = require('child_process'),
spawn = cp.spawn;
var image = request("http://medpreps.com/wp-content/uploads/2012/05/cma-practice-test.jpg");
var wm = request("https://github.com/linse/Gibberbot/diff_blob/f096f6d94b3fb745975ea5f61f5a43b47098598b/res/drawable/droid_watermark.png?raw=true");
@mccannf
mccannf / README.markdown
Created January 17, 2012 22:36
D3 Drag Rectangle with drag handles

This is an example of the power of the D3 library and how you can use the drag behavior of D3 to control the position and shape of the SVG element.