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iwek

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iwek / webworkers.html
Last active March 13, 2024 02:45
Super Simple HTML5 Web Workers Example
<!--HTML file-->
<!DOCTYPE html>
<script>
//define a worker
var worker = new Worker('worker.js');
worker.addEventListener('message', function(e) {
console.log('Worker said: ', e.data);
}, false);
@iwek
iwek / xhr.js
Last active January 24, 2017 12:32
Raw JavaScript Ajax Request
//simple XHR request in pure JavaScript
function load(url, callback) {
var xhr;
if(typeof XMLHttpRequest !== 'undefined') xhr = new XMLHttpRequest();
else {
var versions = ["MSXML2.XmlHttp.5.0",
"MSXML2.XmlHttp.4.0",
"MSXML2.XmlHttp.3.0",
"MSXML2.XmlHttp.2.0",
@iwek
iwek / api-cache.php
Created August 16, 2013 20:32
PHP Caching Multiple API Calls with PHP Simple Cache
<?php
require('simpleCache.php');
$cache = new SimpleCache();
$minx = $_GET['minx'];
$maxx = $_GET['maxx'];
$miny = $_GET['miny'];
@iwek
iwek / svg-image1.js
Created October 23, 2013 16:02
D3 click function to save SVG as dataurl in IMG tag
d3.select("#save").on("click", function(){
var html = d3.select("svg")
.attr("version", 1.1)
.attr("xmlns", "http://www.w3.org/2000/svg")
.node().parentNode.innerHTML;
//console.log(html);
var imgsrc = 'data:image/svg+xml;base64,'+ btoa(html);
var img = '<img src="'+imgsrc+'">';
d3.select("#svgdataurl").html(img);
@iwek
iwek / svg-image2.js
Created October 23, 2013 16:26
D3js click function to save SVG as dataurl in IMG tag, load into CANVAS and save as PNG dataurl, and auto download the actual PNG file.
d3.select("#save").on("click", function(){
var html = d3.select("svg")
.attr("version", 1.1)
.attr("xmlns", "http://www.w3.org/2000/svg")
.node().parentNode.innerHTML;
//console.log(html);
var imgsrc = 'data:image/svg+xml;base64,'+ btoa(html);
var img = '<img src="'+imgsrc+'">';
d3.select("#svgdataurl").html(img);
@iwek
iwek / imagedata-to-filename.js
Created October 23, 2013 20:37
Convert CANVAS data to binary data and then to a filename using a Blob
function binaryblob(){
var byteString = atob(document.querySelector("canvas").toDataURL().replace(/^data:image\/(png|jpg);base64,/, ""));
var ia = new Uint8Array(ab);
for (var i = 0; i < byteString.length; i++) {
ia[i] = byteString.charCodeAt(i);
}
var dataView = new DataView(ab);
var blob = new Blob([dataView], {type: "image/png"});
var DOMURL = self.URL || self.webkitURL || self;
var newurl = DOMURL.createObjectURL(blob);
@iwek
iwek / csv-to-json.js
Last active July 5, 2024 14:29
CSV to JSON Conversion in JavaScript
//var csv is the CSV file with headers
function csvJSON(csv){
var lines=csv.split("\n");
var result = [];
var headers=lines[0].split(",");
for(var i=1;i<lines.length;i++){
@iwek
iwek / tsv-to-json.js
Last active March 20, 2023 02:46
TSV to JSON Conversion in JavaScript
//var tsv is the TSV file with headers
function tsvJSON(tsv){
var lines=tsv.split("\n");
var result = [];
var headers=lines[0].split("\t");
for(var i=1;i<lines.length;i++){
@iwek
iwek / pinterest_api_user.json
Created November 19, 2013 17:14
Pinterest API to retrieve user information ( GET https://api.pinterest.com/v3/users/jessicamalba/?access_token=APIKEY )
{
"status": "success",
"code": 0,
"message": "ok",
"data": {
"last_name": "Alba",
"domain_verified": false,
"following_count": 71,
"image_medium_url": "http://media-cache-ec0.pinimg.com/avatars/jessicamalba_1360689715_75.jpg",
"implicitly_followed_by_me": false,
@iwek
iwek / pinterest_related_search.json
Created November 19, 2013 17:19
Pinterest API to retrieve related search queries ( GET https://api.pinterest.com/v3/search/typeahead/?num_recent_queries=10&q=bos&tags=recent_queries&access_token=APIKEY )