raineorshine

// Streams all values from a public contract array. Callback is a function that takes a single 
// argument, one item from the array. Returns a promise that rejects if there is any error or 
// resolves if all items have been retrieved.
function getAll(contract, sizeGetter, array, cb) {
    // get the size of the array
    return contract[sizeGetter]().then(n => {
        // generate an array of contract calls
        return Promise.all(Array(n.toNumber()).fill().map(i => {
            // invoke the callback with the item
            return contract[array](i).then(cb)

raineorshine

const waterfall = require('promise.waterfall')
const Bluebird = require('bluebird')
const _ = require('lodash')

// an array of 10ms functions with different return values
const functions = [
  () => Bluebird.delay(10, 'a'),
  () => Bluebird.delay(10, 'b'),
  () => Bluebird.delay(10, 'c')
]

raineorshine

An Aesthetic Comparison of Human-Readable
Hashing Functions

The following compares the output of several creative hash functions designed for human readability.

sha1's are merely used as arbitrary, longer, distributed input values.

zacharyvoase/humanhash

input	1 word output	2 word output	3 word output

raineorshine

web3.currentProvider.sendAsync({
  jsonrpc: “2.0”, 
  method: “evm_increaseTime”,
  params: [60], // 60 seconds, may need to be hex, I forget
  id: new Date().getTime() // Id of the request; anything works, really
}, function(err) {
  // ...
});

raineorshine

http://socrates.io/#9moP9Sn/read

raineorshine

const reducers = {}

// these could be easily split up across different files
reducers.FETCH_RESULT = (state, result) => Object.assign({}, { myData: result.myData }, state }
reducers.ADD_ITEM = (state, item) => Object.assign({}, { items: state.items.concat(item) }, state }
reducers.REMOVE_ITEM = (state, item) => Object.assign({}, { items: ... }, state }

// the main reducer
reducer = (state, action) => {
  return reducers[action.type](state, action.data)

raineorshine

https://github.com/ziman/lightyear
idris JsonTest.idr -p lightyear -p contrib
parse jsonToplevelValue "{ \"a\": 1, \"b\": 2 }"

raineorshine

git config user.email "Full Name"
git config user.email "example@gmail.com"

raineorshine

it('should throw an error', cb => {
  const result = aMethodThatRejects()
  result.then(x => { cb('Expected error. Instead got ' + x) }))
  result.catch(() => cb())
})

raineorshine

_