Selby Kendrick selbyk
selbyk
/ gist:5360692
Last active
December 16, 2015 02:09
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| float catalan_nums_rec(int numTerms){ | |
| return catalan_nums_aux(numTerms, 1, 1.0); | |
| } | |
| float catalan_nums_aux(int numTerms, int n, float lastC){ | |
| if( n < numTerms ) | |
| return catalan_nums_aux(numTerms, n+1, 2*(2*n+1)*lastC/(n+2))); | |
| else | |
| return 2*(2*n+1)*lastC/(n+2); | |
| } |
selbyk
/ does_not_work.js
Created
April 12, 2013 01:08
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| var chart = new Highcharts.Chart({ | |
| 'chart': { | |
| 'renderTo': 'yw0' | |
| }, | |
| 'exporting': { | |
| 'enabled': true | |
| }, | |
| 'title': { | |
| 'text': 'Past Hour' | |
| }, |
selbyk
/ threaded_vectors.clj
Created
April 18, 2013 20:38
10 threads manipulating one shared data structure, which consists of 100 vectors each one containing 10 (initially sequential) unique numbers. Each thread then repeatedly selects two random positions in two random vectors and swaps them. All changes to the vectors occur in transactions by making use of Clojure's software transactional memory sys…
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| (defn run [nvecs nitems nthreads niters] | |
| (let [vec-refs (vec (map (comp ref vec) | |
| (partition nitems (range (* nvecs nitems))))) | |
| swap #(let [v1 (rand-int nvecs) | |
| v2 (rand-int nvecs) | |
| i1 (rand-int nitems) | |
| i2 (rand-int nitems)] | |
| (dosync | |
| (let [temp (nth @(vec-refs v1) i1)] | |
| (alter (vec-refs v1) assoc i1 (nth @(vec-refs v2) i2)) |
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| [PHP] | |
| ;;;;;;;;;;;;;;;;;;; | |
| ; About php.ini ; | |
| ;;;;;;;;;;;;;;;;;;; | |
| ; PHP's initialization file, generally called php.ini, is responsible for | |
| ; configuring many of the aspects of PHP's behavior. | |
| ; PHP attempts to find and load this configuration from a number of locations. | |
| ; The following is a summary of its search order: |
selbyk
/ firstann.cpp
Created
August 8, 2013 07:01
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| #include <vector> | |
| #include <fstream> | |
| #include <iostream> | |
| #include <ctype.h> | |
| #include "fann.h" | |
| #include "fann_cpp.h" | |
| using namespace std; | |
| void error(const char* p, const char* p2 = ""){ |
selbyk
/ load_proper.js
Created
May 14, 2014 18:47
— forked from ryanmcgrath/load_proper.js
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| /* Since script loading is dynamic, we take | |
| a callback function with our loadScript call | |
| that executes once the script is done downloading/parsing | |
| on the page. | |
| */ | |
| var loadScript = function(src, callbackfn) { | |
| var newScript = document.createElement("script"); | |
| newScript.type = "text/javascript"; | |
| newScript.setAttribute("async", "true"); | |
| newScript.setAttribute("src", src); |
selbyk
/ install-elasticsearch-debian
Last active
August 29, 2015 14:13
— forked from mystix/install-elasticsearch-debian
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| VERSION=1.4.2 | |
| sudo apt-get update | |
| sudo apt-get install openjdk-6-jdk | |
| wget https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-$VERSION.deb | |
| sudo dpkg -i elasticsearch-$VERSION.deb | |
| # be sure you add "action.disable_delete_all_indices" : true to the config!! |
selbyk
/ photo-migration.sql
Created
February 26, 2015 00:22
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| insert into image ( | |
| id, | |
| name, | |
| description, | |
| album_id, | |
| album_position, | |
| path, | |
| type, | |
| size, | |
| url, |
selbyk
/ results.json
Created
April 17, 2015 15:04
RAID Configurations on Performance ({"Raid Type": {"Stripe Size": { 'performce' }, ... })
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| { | |
| "Noredun": { | |
| "4": { | |
| "responseTime": 47.73792, | |
| "rps": 505.446884 | |
| }, | |
| "16": { | |
| "responseTime": 38.438951, | |
| "rps": 387.339675 | |
| }, |
selbyk
/ gist:69162a90870f2d517e4e
Created
April 23, 2015 23:00
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| <MacGyver> selby: ssh user@host "tar -czf - /folder/to/backup" | tar -xzf - /folder/where/it/should/go |
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