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View canvast-toblob.js
canvas.toBlob(function(blob) {
var fs = require('fs'),
out = fs.createWriteStream(__dirname + '/chart.png');
out.write(jsdom.blobToBuffer(blob));
}, "image/png");
@sedouard
sedouard / canvas-chartjs.js
Created Sep 17, 2016
Using Canvas.js in Node.js
View canvas-chartjs.js
// Using the node canvas module
var fs = require('fs');
var jsdom = require("jsdom");
jsdom.defaultDocumentFeatures = {
FetchExternalResources: ["script"],
ProcessExternalResources: true
};
jsdom.env('<html><body><div id="chart-div" style="font-size:12; width:800px; height:800px;"><canvas id="myChart" width="400" height="400" style="width:400px;height:400px"></canvas>></div></body></html>',
['https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.2.2/Chart.js'],
function (err, window) {
View chartjs-example.js
var myChart = new Chart(ctx, {
type: 'bar',
data: {
labels: ["Red", "Blue", "Yellow", "Green", "Purple", "Orange"],
datasets: [{
label: '# of Votes',
data: [12, 19, 3, 5, 2, 3],
backgroundColor: [
'rgba(255, 99, 132, 0.2)',
'rgba(54, 162, 235, 0.2)',
View chartjs-object
{ chart:
{ config: { type: 'bar', data: [Object], options: [Object] },
ctx:
CanvasRenderingContext2D {
canvas: HTMLCanvasElement {},
createPattern: [Function],
drawImage: [Function],
lastFontString: 'normal 12px \'Helvetica Neue\', \'Helvetica\', \'Arial\', sans-serif',
lastTextAlignment: 'right',
lastBaseline: 'middle' },
@sedouard
sedouard / chartjs-node.js
Created Sep 16, 2016
Trying to use Chart.js sever-side
View chartjs-node.js
var Canvas = require('canvas')
, Image = Canvas.Image;
var fs = require('fs');
var jsdom = require("jsdom");
jsdom.defaultDocumentFeatures = {
FetchExternalResources: ["script"],
ProcessExternalResources: true
};
global.Canvas = Canvas;
global.Image = Canvas.Image;
@sedouard
sedouard / blank_vhd.py
Last active Jun 11, 2018
Create Blank VHD for Microsoft Azure
View blank_vhd.py
import datetime
import uuid
from azure.storage import BlobService
def generate_vhd_footer(size):
# Fixed VHD Footer Format Specification
# spec: https://technet.microsoft.com/en-us/virtualization/bb676673.aspx#E3B
# Field Size (bytes)
# Cookie 8
# Features 4
@sedouard
sedouard / SAStoken.cs
Created Jul 10, 2015
Generates a SAS Token for Azure REST Api Calls (Particularly for Service Bus Services like Event Hub & Queues)
View SAStoken.cs
/// <summary>
/// Code for generating of SAS token for authorization with Service Bus
///
/// This handy function can be found on this helpful blog post:
/// http://developers.de/blogs/damir_dobric/archive/2013/10/17/how-to-create-shared-access-signature-for-service-bus.aspx
/// </summary>
/// <param name="resourceUri"></param>
/// <param name="keyName"></param>
/// <param name="key"></param>
/// <returns></returns>
@sedouard
sedouard / spec.json
Created Apr 28, 2015
connected car rest api spec
View spec.json
VEHICLES
--
GET /vehicles - Returns all vehicles
Sample Response:
{ "data": [
{
"type": "vehicle",
View openssl.txt
# Generate the private key
openssl genrsa -des3 -out server.key 1024
Generating RSA private key, 1024 bit long modulus
.........................................................++++++
........++++++
e is 65537 (0x10001)
Enter PEM pass phrase:
Verifying password - Enter PEM pass phrase:
View deisctl.txt
# set the ssl cert for deis
deisctl config router set sslKey= sslCert=
# redirect all http traffic to https
deisctl config router set enforceHTTPS=true
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