Not all random values are created equal - for security-related code, you need a specific kind of random value.
A summary of this article, if you don't want to read the entire thing:
- Don't use
Math.random()
. There are extremely few cases whereMath.random()
is the right answer. Don't use it, unless you've read this entire article, and determined that it's necessary for your case. - Don't use
crypto.getRandomBytes
directly. While it's a CSPRNG, it's easy to bias the result when 'transforming' it, such that the output becomes more predictable. - If you want to generate random tokens or API keys: Use
uuid
, specifically theuuid.v4()
method. Avoidnode-uuid
- it's not the same package, and doesn't produce reliably secure random values. - If you want to generate random numbers in a range: Use
random-number-csprng
.
You should seriously consider reading the entire article, though - it's
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function logClass(target: any) { | |
// save a reference to the original constructor | |
var original = target; | |
// a utility function to generate instances of a class | |
function construct(constructor, args) { | |
var c : any = function () { | |
return constructor.apply(this, args); | |
} |
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//wearversion | |
//wearlog | |
//wearvoiceinputenable | |
//wearvoiceinputdisable | |
//weargoogleapi | |
//assert | |
//pushassert | |
//uplog | |
//upcrash | |
//switchnotificationstatus |
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import { Component } from "React"; | |
export var Enhance = ComposedComponent => class extends Component { | |
constructor() { | |
this.state = { data: null }; | |
} | |
componentDidMount() { | |
this.setState({ data: 'Hello' }); | |
} | |
render() { |
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#!/bin/bash | |
# --- Version history --- | |
# mrn: sleep for $freq instead of 3 seconds (forked) | |
# 0.4: added variable to store file path, and $2 for base file name | |
# added variable to store desired reporting interval | |
# 0.3: added $1 to send in process ID at run time. | |
# 0.2: switched to $SECONDS for the loop. works. | |
# 0.1: didn't work well at all. | |
# --- Version history --- |
(by @andrestaltz)
If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.
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-- See http://apple.stackexchange.com/questions/19146/is-fine-volume-adjustment-possible-in-os-x-lion | |
set volume output volume 0 --mute | |
set volume output volume 100 --100% | |
set volume output volume 27 --27% |
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/*! | |
* jQuery JavaScript Library v2.1.1pre | |
* http://jquery.com/ | |
* | |
* Includes Sizzle.js | |
* http://sizzlejs.com/ | |
* | |
* Copyright 2005, 2014 jQuery Foundation, Inc. and other contributors | |
* Released under the MIT license | |
* http://jquery.org/license |
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