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Ben Kamphaus benkamphaus

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@benkamphaus
benkamphaus / IR_Black.itermcolors
Created March 25, 2014 02:30
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Ansi 0 Color</key>
<dict>
<key>Blue Component</key>
<real>0.31090480089187622</real>
<key>Green Component</key>
<real>0.31097450852394104</real>
@benkamphaus
benkamphaus / fizzbuzz.clj
Created August 5, 2014 16:47
FizzBuzz for laughs in Clojure
(defn fbuzz [x]
(let [divides (fn [x y]
(= (rem x y) 0))]
(cond (divides x (* 5 3)) "FizzBuzz"
(divides x 5) "Buzz"
(divides x 3) "Fizz"
:else x)))
(doseq [x (map fbuzz (range 1 101))] (print (str x ", ")))
@benkamphaus
benkamphaus / fizzbuzz.py
Last active August 29, 2015 14:04
FizzBuzz for laughs in Python
def fbuzz(x):
str_rep = ""
if (x % 3) == 0:
str_rep += "Fizz"
if (x % 5) == 0:
str_rep += "Buzz"
if not str_rep:
str_rep += str(x)
return str_rep
@benkamphaus
benkamphaus / transducer_performance.txt
Created November 9, 2014 15:28
Preliminary transducer benchmarks in Python2 and PyPy
Benchmarks at: https://github.com/cognitect-labs/transducers-python/blob/master/tests/benchmark.py
transducers-python git/master
❯ python tests/benchmark.py
Avg. time for transducers.transducers with T.replace({0:1, 100:200, 1000:500}) is: 68.4194946289
Avg. time for tests.genducers with G.replace({0:1, 100:200, 1000:500}) is: 37.8649584961
Avg. time for transducers.transducers with T.take(10000) is: 8.898671875
Avg. time for tests.genducers with G.take(10000) is: 3.86192871094
Avg. time for transducers.transducers with T.dedupe is: 0.779968261719
Avg. time for tests.genducers with G.dedupe is: 0.304665527344
@benkamphaus
benkamphaus / TransactorRestart.java
Created December 3, 2014 15:16
Expected behavior for Datomic on peers during a transactor restart, in Java.
/**
* Expected behavior during transactor shutdown and restart.
* */
import datomic.Connection;
import datomic.Peer;
import datomic.Database;
import datomic.Util;
import java.util.Scanner;
import java.util.List;
@benkamphaus
benkamphaus / creaturecomforts.sh
Last active October 9, 2021 05:42
try to get comfortable in a vanilla amazon linux instance
sudo yum install zsh tmux htop git -y
sudo yum install util-linux-user -y
sudo chsh -s /bin/zsh ec2-user
wget --no-check-certificate http://install.ohmyz.sh -O - | sh
mkdir ~/src
mkdir ~/datomic
# from https://gist.github.com/sebsto/19b99f1fa1f32cae5d00
sudo wget http://repos.fedorapeople.org/repos/dchen/apache-maven/epel-apache-maven.repo -O /etc/yum.repos.d/epel-apache-maven.repo
sudo sed -i s/\$releasever/6/g /etc/yum.repos.d/epel-apache-maven.repo
@benkamphaus
benkamphaus / print-schema.clj
Created February 25, 2015 17:20
(require '[datomic.api :as d] 'clojure.pprint)
;; You can run this with bin/run in the $DATOMIC_DIR
(println "Printing database schema...")
(def conn (d/connect (first *command-line-args*))) ;; call with db-uri as arg
; Find and pretty-print each attribute in schema
(let [db (d/db conn)]
(clojure.pprint/pprint
(map #(->> % first (d/entity db) d/touch)
@benkamphaus
benkamphaus / or_join.clj
Last active August 29, 2015 14:23
A couple of or-join examples against a toy schema.
(ns datomic-manual-tests.or-join
(:require [datomic.api :as d]))
(def db-uri (apply str ["datomic:mem://test" (d/squuid)]))
(d/create-database db-uri)
(def conn (d/connect db-uri))
(def schema
[{:db/id (d/tempid :db.part/db)
:db/ident :person/name
@benkamphaus
benkamphaus / binterp.ipynb
Created July 24, 2015 21:47
SciPy Interpolate Example Notebook
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@benkamphaus
benkamphaus / new_horizons.ipynb
Created July 25, 2015 04:10
Playing with Basic Image Processing using Raw Data of Pluto from New Horizons LORRI instrument
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