randy3k

XVFB=/usr/bin/Xvfb
XVFBARGS=":1 -screen 0 1024x768x24 -ac +extension GLX +render -noreset"
PIDFILE=/var/run/xvfb.pid
case "$1" in
  start)
    echo -n "Starting virtual X frame buffer: Xvfb"
    start-stop-daemon --start --quiet --pidfile $PIDFILE --make-pidfile --background --exec $XVFB -- $XVFBARGS
    echo "."
    ;;
  stop)

randy3k

<?php
/*
Plugin Name: My Filter
*/

// Exit if accessed directly
if ( !defined('ABSPATH')) exit;

# to exclude the category testing
function exclude_category($query) {

randy3k

# it is a tutorial to generate permuations/combinations using `partitions`, `gtools` and `multicool`.
# mainly for reference only, consider the package `iterpc` in practice.
 
library(partitions)
library(gtools)
library(multicool)
1) combinations: without replacement: distinct items
 
n = 5; r = 3
combn(n, r)

randy3k

function git-branch-name {
    echo `git symbolic-ref HEAD --short 2> /dev/null || (git branch | sed -n 's/\* (*\([^)]*\))*/\1/p')`
}
function git-dirty {
    [[ `wc -l <<< "$1" ` -eq 1  ]] || echo "*"
}
function git-unpushed {
    if [[ "$1" =~ ("behind "([[:digit:]]*)) ]]
    then
        echo -n "-${BASH_REMATCH[2]}"

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total <- 20
# create progress bar
pb <- txtProgressBar(min = 0, max = total, style = 3)
for(i in 1:total){
   Sys.sleep(0.1)
   # update progress bar
   setTxtProgressBar(pb, i)
}
close(pb)

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importCpp <- function(infile, output_dir="lib", rebuild=FALSE){
    output_dir = ifelse(is.null(output_dir), ".", output_dir)
    dir.create(output_dir, recursive=T, showWarnings=FALSE)
    outfile = file.path(output_dir, paste0(infile, ".R"))

    if (!file.exists(outfile) || file.info(infile)$mtime > file.info(outfile)$mtime || rebuild){
        Rcpp::sourceCpp(infile, rebuild=rebuild)
        context = .Call("sourceCppContext", PACKAGE = "Rcpp",
            normalizePath(infile, winslash = "/"), code=NULL, 0L, .Platform)
        scriptfile = file.path(context$buildDirectory, context$rSourceFilename)

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import nbformat
import os

release_dir = "/home/randy3k/nbgrader/sts437/release"
assignment = "sts437-hw1"
assignment_dir = os.path.join(release_dir, assignment)
problems = [f for f in os.listdir(assignment_dir) if os.path.splitext(f)[1] == ".ipynb"]
users = [d for d in os.listdir("/home") if os.path.isdir("/home/{}".format(d))]

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topic_rd <- function(pkg_name, topic) {
    rd_file <- as.character(help((topic), (pkg_name)))
    utils:::.getHelpFile(rd_file)
}

topic_section <- function(rd, section) {
    ret <- rd[sapply(rd, function(x) attr(x, "Rd_tag") == paste0("\\", section))]
    if (length(ret) == 0) {
        list()
    } else {

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user www-data;
worker_processes auto;
pid /run/nginx.pid;

events {
    worker_connections 768;
    # multi_accept on;
}

http {

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#!/usr/bin/env bash

trap 'kill -TERM $PID' INT TERM EXIT

cd /home/randy3k/nbviewer
python3 -m nbviewer --port=8080 --localfiles=/home/randy3k/ &
PID=$!
wait $PID