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Software Engineering

The most popular blog posts about software engineering on Hacker News. 857 posts.

2013
374

Why the world needs Haskell

This is a technical review of Haskell and why software developers should care about functional programming. For a non-technical review of why your company should be using Haskell you might want to watch this introduction to Haskell video by FP Complete.

378

The ﹤main﹥ element

Recently, main was formally added to the W3C HTML specification. Now that the dust has settled, it's about time we dive in to find out where and when it's appropriate to use main. Let's get started.

380

Exact numeric nth derivatives

Automatic differentiation is a well-studied technique for computing exact numeric derivatives. Dan Piponi has a great introduction on the subject , but to give you an overview, the idea is that you introduce an algebraic symbol such that but . Formulas involving are called dual numbers (e.g., , ) in much the same way…

386

FP vs. OO, from the trenches

I’ve been programming for quite some time and have explored a variety of programming paradigms along the way. From time to time people will ask 1 which is better: functional programming or object-oriented programming. Having done both extensively in my time I can exclaim a resounding: it depends .

388

How D3 Selections Work

In the past I have presented simplified descriptions of D3 ’s selections, providing only enough detail to get started. This article takes a more comprehensive approach; rather than saying how to use selections , I will explain how selections are implemented . This may take longer to read, but it should dispel any…

390

Message threading (1997-2002)

In this document, I describe what is, in my humble but correct opinion, the best known algorithm for threading messages (that is, grouping messages together in parent/child relationships based on which messages are replies to which others.) This is the threading algorithm that was used in Netscape Mail and News 2.0…