Risk/Data/Science/Random http://www.brownconnect.com Wed, 15 Nov 2017 21:14:02 +0000 en-US hourly 1 https://wordpress.org/?v=4.8.3 Stop abusing spring….please :) http://www.brownconnect.com/development/stop-abusing-spring-please/ http://www.brownconnect.com/development/stop-abusing-spring-please/#respond Sun, 07 Feb 2016 18:39:20 +0000 http://www.brownconnect.com/?p=55 I highly recommend studying the Guice framework tutorials before you try to jump into spring (you may even decide to just use Guice instead). To summarize using an excellent analogy from the people behind Guice, dependency injection is like the “Hollywood principle,” which is “don’t call us, we’ll call you.”  Think of it as a […]

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Planet of the API http://www.brownconnect.com/data/planet-of-the-apis/ http://www.brownconnect.com/data/planet-of-the-apis/#respond Wed, 08 Oct 2014 00:13:20 +0000 http://www.brownconnect.com/?p=22 Several weeks back I was discussing with a co-worker what it means to work in the data field.  The old-school answer, which is still probably the most common, is that you will be in some way involved with databases.  While that is unlikely to change there is a shift towards working with APIs instead of […]

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Another (probably redundant) post on Black-Scholes http://www.brownconnect.com/finance/another-probably-redundant-post-on-black-scholes/ http://www.brownconnect.com/finance/another-probably-redundant-post-on-black-scholes/#respond Tue, 07 Oct 2014 00:17:47 +0000 http://www.brownconnect.com/?p=5   Black-Scholes Framework We can construct a portfolio such that we have an amount in stock and an amount in a money market account, such that .  It can be shown that using replication and no arbitrage, it is possible to derive an equation for the value function [V(t,s)] for the price of a derivative.  This equation […]

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