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View iframe_vis.js
// Given an iframe id and an anchor id that is present within the iframe,
// determine whether the element is visible/present inside the window viewport.
// This is not about the css 'display' property; this shows whether
// the window viewport contains the element.
var isVisible = function (anchor, iframe_id) {
var ifrId = iframe_id || 'bv_page';
var ifrOffset = window.parent.document.getElementById(ifrId).offsetTop;
var myloc = document.getElementById(anchor).offsetTop + ifrOffset;
var viewtop = window.parent.scrollY;
View node_cluster.js
var cluster = require('cluster');
var http = require('http');
var numCPUs = require('os').cpus().length;
var createServer = function(port) {
var mjAPI = require("node_modules/MathJax-node/lib/mj-single");
mjAPI.config({
MathJax: {
SVG: {
font: "STIX-Web"
View PDF-Testing.md

PDF Testing Gist

These two files, pdf_linkchecker.py and pdf_fontchecker.py are code examples to go along with a blog article: http://reachtim.com/articles/PDF-Testing.html

See the article for details on how to test your PDFs for broken internal and external links and for unembedded fonts.

View gist:8a2995e70cee42f01e79
from PyPDF2 import PdfFileReader
from pprint import pprint
def walk(obj, fnt, emb):
'''
If there is a key called 'BaseFont', that is a font that is used in the document.
If there is a key called 'FontName' and another key in the same dictionary object
that is called 'FontFilex' (where x is null, 2, or 3), then that fontname is
embedded.
View phantomjs_mathjax.
var url = require('system').args[1];
var page = require('webpage').create();
function waitFor(testFn, onSuccessFn, timeOut) {
var start = new Date().getTime();
var condition = false;
var interval = setInterval(function() {
if ( (new Date().getTime() - start < timeOut) && !condition ) {
condition = testFn();
} else {
View mathjax_test.js
function ajaxRequest(){
return new XMLHttpRequest(async=false);
}
function mltest (){
var filename = window.location.href.substr(window.location.href.lastIndexOf("/")+1);
MathJax.Hub.Config({TeX: {noUndefined: {disabled: true}}});
MathJax.Hub.Queue(function() {console.log('finished rendering');});
MathJax.Hub.Register.MessageHook("TeX Jax - parse error",function (message) {
console.log('error encountered');
var mydata = {};
View mathjax_error_flags.html
<!DOCTYPE html>
<html>
<head>
<title>Encapsulate Trapping of Math and TeX errors</title>
<script type="text/x-mathjax-config">
// Turn off NoErrors extension
MathJax.Hub.Config({
TeX: {noErrors: {disabled: true}}
});
// Set flag function for TeX Errors (undefined cs)
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