Kory Becker primaryobjects
primaryobjects
/ linkedInLinksPlus.R
Created
June 27, 2014 17:55
Grabs all LinkedIn urls from a Coursera forum thread. Perfect for the "Let's Connect!" threads.
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| require(XML) | |
| require(stringr) | |
| # | |
| # Grabs all names and LinkedIn urls from a Coursera forum thread. Perfect for the "Let's Connect!" threads. | |
| # Usage: | |
| # 1. Open a Coursera forum thread, containing LinkedIn links. | |
| # 2. Scroll all the way to the bottom of the page to load all posts in the thread. | |
| # 3. Save the web page to an html file named post.htm. | |
| # 4. Call linkedInLinks("post.htm") |
primaryobjects
/ timer.R
Created
July 8, 2014 01:52
Calculating the mean of a data table column in R (American Community Survey) and timing the result.
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| doLoop <- function(method, iterations = 1000) { | |
| for (i in 1:iterations) { | |
| method(); | |
| } | |
| } | |
| # Load csv file. | |
| DT <- fread('https://d396qusza40orc.cloudfront.net/getdata%2Fdata%2Fss06pid.csv') | |
| # Time option 2. |
primaryobjects
/ loginimage.sh
Last active
August 29, 2015 14:05
Linux Mint login background changer. Changes the background image on the Linux Mint theme login screen. To run automatically at each reboot, run this script as: sudo bash loginimage.sh -r. Put the command in /etc/rc.local
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| #!/bin/bash | |
| appPath=/usr/share/login-image-changer | |
| settingsPath=$appPath/settings.conf | |
| rcLocalPath="/etc/rc.local" | |
| scriptPath="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )" | |
| runCommand="sudo bash \"$scriptPath/loginimage.sh\" -r" | |
| settingsExists=0 | |
| install=0 | |
| uninstall=0 |
primaryobjects
/ bf_to_c
Last active
August 29, 2015 14:13
BF to C Converter (source at https://github.com/matslina/bfoptimization). Change line 74 to convert your own BF code: ir_to_c(bf_to_ir("+++.")). Example output from this program https://ideone.com/z16KPJ.
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| from collections import namedtuple | |
| # These map directly to the 8 regular brainfuck instructions. The | |
| # exception is the offset parameter, which would be 0 in regular | |
| # brainfuck, but can here indicate an offset from the current cell at | |
| # which the operation should be applied. | |
| Add = namedtuple('Add', ['x', 'offset']) | |
| Sub = namedtuple('Sub', ['x', 'offset']) | |
| Right = namedtuple('Right', ['x']) | |
| Left = namedtuple('Left', ['x']) |
primaryobjects
/ parser.js
Last active
August 29, 2015 14:14
Javascript parser for STRIPS PDDL grammar parser from pegjs.org. This code parses the result of the pegjs grammar produced from the file grammar.txt https://gist.github.com/primaryobjects/22363e71112d716ea183 and returns a JSON object with the action operators, conditions, and effects.
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| /* | |
| grammar.txt: saved from https://gist.github.com/primaryobjects/22363e71112d716ea183 | |
| domain.txt: | |
| (define (domain random-domain) | |
| (:requirements :strips :typing) | |
| (:action op1 | |
| :parameters (?x1 ?x2 ?x3) | |
| :precondition (and (S ?x1 ?x2) (R ?x3 ?x1)) | |
| :effect (and (S ?x2 ?x1) (S ?x1 ?x3) (not (R ?x3 ?x1)))) | |
| (:action op2 |
primaryobjects
/ app.js
Created
February 24, 2015 03:15
Planning graph using the strips node.js library.
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| var strips = require('strips'); | |
| var util = require('util'); | |
| // Load the domain and problem. | |
| strips.load('./domain-cake.pddl', './problem-cake.pddl', function(domain, problem) { | |
| var S = []; | |
| // S0 - 1 node per literal in initial state. | |
| for (var i in problem.states[0].actions) { | |
| var literal = problem.states[0].actions[i]; |
primaryobjects
/ run.bat
Created
February 24, 2015 14:41
DOS batch file to launch a NodeWebKit app. NodeWebKit has a habit of occasionally immediately quitting when trying to launch it. This script times the launch and quit times, so if the app exits in less than 5 seconds, we re-launch the app, until we finally get a proper launch.
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| @echo off | |
| :loop | |
| :: Start timer. | |
| @set /A _tic=%time:~0,2%*3600^ | |
| +%time:~3,1%*10*60^ | |
| +%time:~4,1%*60^ | |
| +%time:~6,1%*10^ | |
| +%time:~7,1% >nul |
primaryobjects
/ deploy_node_site.txt
Last active
August 29, 2015 14:16
4 easy steps to deploy a node.js web site to a Windows server.
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| 1. Download and install node.js at http://nodejs.org/download/ | |
| 2. Copy your node.js project files to C:\Users\YOUR_USERNAME\Documents\SITENAME | |
| 3. Open Windows Firewall port 80. | |
| 4. Open Windows Powershell and type: | |
| $env:PORT = 80 | |
| cd C:\Users\YOUR_USERNAME\Documents\SITENAME |
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| /* | |
| html-minifier | |
| https://www.npmjs.com/package/html-minifier | |
| UglifyCSS | |
| https://github.com/fmarcia/UglifyCSS | |
| UglifyJS2 | |
| https://github.com/mishoo/UglifyJS2 |
primaryobjects
/ info.txt
Last active
August 29, 2015 14:16
Razor Syntax for node.js views using Vash view engine.
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| Razor Syntax for node.js views | |
| https://github.com/kirbysayshi/vash#syntax-example | |
| Example Controller: | |
| exports.page = function(req, res) { | |
| res.render('page.vash', { name: 'John Doe', colors: [ 'red', 'green', 'blue' ] }); | |
| }; | |
| Example Views: |
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