Skip to content

Instantly share code, notes, and snippets.

import PropTypes from 'prop-types';
type Omit<T, K> = Pick<T, Exclude<keyof T, K>>;
type Defined<T> = T extends undefined ? never : T;
/**
* Get the type that represents the props with the defaultProps included.
*
* Alternatively, we could have done something like this:
@yocontra
yocontra / EventEmitter.coffee
Created May 20, 2012 19:57
Tiny browser/node EventEmitter implementation in coffeescript
class EventEmitter
constructor: ->
@events = {}
emit: (event, args...) ->
return false unless @events[event]
listener args... for listener in @events[event]
return true
addListener: (event, listener) ->
@iamkristian
iamkristian / log4jAdmin.jsp
Last active May 3, 2023 05:04
Change log4j log levels runtime from a jsp
<%@ page language="java" contentType="text/html;charset=UTF-8" %>
<%@ page import="org.apache.log4j.Level" %>
<%@ page import="org.apache.log4j.LogManager" %>
<%@ page import="org.apache.log4j.Logger" %>
<%@ page import="java.util.HashMap" %>
<%@ page import="java.util.Enumeration" %>
<%@ page import="java.util.Set" %>
<%@ page import="java.util.Arrays" %>
<%
/* This was originally suggested by Nelz on http://nelz.net/2008/04/08/log4j-runtime-configuration