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rsync rounds timestamps to the nearest second

I’m not sure how I’ve managed to use rsync for so many years without evernoticing this, but hey, you learn something new every day!

07 Oct 2015

Jane Street Tech Blog

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No (functional) experience required

Jane Street is a serious functional programming shop. We use OCaml, a staticallytyped functional language for almost everything and have what is probably the...

19 Aug 2015

Jane Street Tech Blog

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Converting a code base from camlp4 to ppx

As with many projects in the OCaml world, at Jane Street we have been working onmigrating from camlp4 to ppx. After having developed equivalent ppx rewriters...

08 Jul 2015

Jane Street Tech Blog

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Reverse web proxy in ~50 lines of BASH

In the spirit of reinventing the wheel for fun, I hacked this together as aquick challenge to myself last week. It’s a little rough around the edges, but Ith...

01 May 2015

Jane Street Tech Blog

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Faster OCaml to C calls

The official OCaml documentation “Interfacing C withOCaml” doesn’tdocument some interesting performance features.

09 Apr 2015

Jane Street Tech Blog

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A lighter Core

We recently released a version of our open source libraries with a muchanticipatedchange– Async_kernel, the heart of the Async concurrent programming library...

21 Mar 2015

Jane Street Tech Blog

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Making making better

We spend a lot of time and effort on training new people, and it never stops forlong. Right now our winter-intern class is ending; in five months we’ll have ...

31 Jan 2015

Jane Street Tech Blog

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Delivered keynote at BOB 2015 on MirageOS

Opening keynote at BOB 2015 conference in Berlin on functional operating systems and MirageOS unikernels.

23 Jan 2015

Anil Madhavapeddy's Blog

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