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#' R implementation of `cond` from Lisp | |
#' allows for arbitrary numbers of conditionals without ugly nested if statements | |
#' conditionals are entered as pairs of expressions (clauses), | |
#' first the expression to be evaluated and second the return value if the expression is true | |
#' @param ... an even number of expressions as pairs (see example) | |
#' @param true the `else` expression (Taken from the Lisp (T resultN) see http://www.cis.upenn.edu/~matuszek/LispText/lisp-cond.html) | |
#' @return The paired value of the first true conditional expression or the value of true | |
#' @examples | |
#' x <- runif(1) | |
#' cond(x < 0.2, "lower tail", |
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;; Simple example of MQTT message publish using Common Lisp and ABCL | |
;; | |
;; Uses the Eclipse Paho client | |
;; | |
;; Author: Frederico Munoz <frederico.munoz@pt.ibm.com> | |
;; Date: 22-Jun-2013 | |
;; Keywords: mqtt, messaging, m2m, telemetry, abcl, iot, paho, lisp | |
;; | |
;; Copying and distribution of this file, with or without modification, | |
;; are permitted in any medium without royalty provided the copyright |
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#!/bin/bash | |
wholefile=$(cat $1) | |
filelen=${#wholefile} | |
idx=0 | |
chunk=0 | |
chunksz=500 | |
while true; do | |
if (( ${#str} < ( chunksz / 2) )) && (( chunk < filelen )); then |
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(load-file "./watch_service.clj") | |
(refer 'watch-service) | |
(defn print-ev | |
[ev ctx] | |
(println "[foo]" ev " --> " ctx) | |
(println "Parent Dir:" (.getParent ctx))) | |
(defn print-ev-2 | |
[ev ctx] |
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#! /usr/bin/env racket | |
; Euler problem #1. Sum of integers between 1 and N which are | |
; divisible by i, j, k, ..., or l. | |
; | |
; The sum 1+2+3+...+n = (n^2 + n)/2, call this sum-range(n). | |
; | |
; Then the sum of i+2i+3i+...+qi = i * sum-range(floor(n/i)), where | |
; qi is the greatest multiple of i such that i <= n. | |
; |
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(defn- send-udp [s port] | |
(with-open [socket (java.net.DatagramSocket.)] | |
(let [group (java.net.InetAddress/getByName "localhost") | |
bytes (.getBytes s) | |
packet (java.net.DatagramPacket. bytes (count bytes) group port)] | |
(.send socket packet) | |
(.close socket)))) | |
(deftask anybar [p port VAL int "AnyBar port"] | |
(let [port (or port 1738)] |
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# vi: set ft=ruby : | |
VAGRANTFILE_API_VERSION = "2" | |
$script = <<SCRIPT | |
apt-get install -y git maven openjdk-7-jdk | |
( | |
cd /usr/local/bin | |
wget https://raw.githubusercontent.com/technomancy/leiningen/stable/bin/lein -O lein | |
chmod +x lein | |
) |
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