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COBOL: Probably the first language that looked "human readable". Invented with "business" in mind, ie, banks, corporations, etc. Still in use at many financial places as their installations are huge and would be expensive to replace/rewrite. COBOL programmers are very hard to find and very expensive.
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Fortran: Developed at IBM in the 1950s, still incredibly popular today for economics calculations, math, finance, etc. Popular in academia for this reason.
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C: Massively influential. probably the most famous programming language. Invented at Bell Labs in the 60s. Still in incredibly wide use for such applications as operating systems, microcontrollers, or anything where speed is a necessary. Very fast, but easy to write buggy code. Runs on almost any hardware ever made. It's syntax and idioms live on in Java, JavaScript, C#, C++
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//events - a super-basic Javascript (publish subscribe) pattern | |
var events = { | |
events: {}, | |
on: function (eventName, fn) { | |
this.events[eventName] = this.events[eventName] || []; | |
this.events[eventName].push(fn); | |
}, | |
off: function(eventName, fn) { | |
if (this.events[eventName]) { |
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<!doctype html> | |
<html> | |
<body> | |
<header class="header" role="banner"> | |
<a href="/" rel="home">My company</a> | |
<nav class="nav" role="navigation"> | |
<a href="/about">About</a> | |
<a href="/contact">Contact</a> | |
</nav> | |
</header> |