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What is an example of the simplest possible Socket.io example?
...),
// NEVER use a Sync function except at start-up!
index = fs.readFileSync(__dirname + '/index.html');
// Send index.html to all requests
var app = http.createServer(function(req, res) {
res.writeHead(200, {'Content-Type': 'text/html'});
res.end(index);
});
// Socket.io server lis...
Convert SVG image to PNG with PHP
...Magick:
$usmap = '/path/to/blank/us-map.svg';
$im = new Imagick();
$svg = file_get_contents($usmap);
/*loop to color each state as needed, something like*/
$idColorArray = array(
"AL" => "339966"
,"AK" => "0099FF"
...
,"WI" => "FF4B00"
,"WY" => "A3609B"
);
foreac...
Hosting a Maven repository on github
... <name>Temporary Staging Repository</name>
<url>file://${project.build.directory}/mvn-repo</url>
</repository>
</distributionManagement>
<plugins>
<plugin>
<artifactId>maven-deploy-plugin</artifactId>
<v...
What is the (best) way to manage permissions for Docker shared volumes?
...graphitedata as the data container. So, ignoring ports and such, the Dockerfile of image some/graphitedata is something like:
FROM debian:jessie
# add our user and group first to make sure their IDs get assigned consistently, regardless of other deps added later
RUN groupadd -r graphite \
&&a...
How to cancel a local git commit
My issue is I have changed a file eg: README, added a new line ' this for my testing line ' and saved the file, then I issued the following commands
...
How to use cURL to get jSON data and decode the data?
.../ Will dump a beauty json :3
var_dump(json_decode($result, true));
Using file_get_contents
$result = file_get_contents($url);
// Will dump a beauty json :3
var_dump(json_decode($result, true));
Accessing
$array["threads"][13/* thread id */]["title"/* thread key */]
And
$array["threads"][13/...
How to save MySQL query output to excel or .txt file? [duplicate]
...
From Save MySQL query results into a text or CSV file:
MySQL provides an easy mechanism for writing the results of a select
statement into a text file on the server. Using extended options of
the INTO OUTFILE nomenclature, it is possible to create a comma
separate...
How to permanently remove few commits from remote branch
...e last 3 commits, run the following command to remove the changes from the file system (working tree) and commit history (index) on your local branch:
git reset --hard HEAD~3
Then run the following command (on your local machine) to force the remote branch to rewrite its history:
git push --forc...
How to get HTTP Response Code using Selenium WebDriver
...or blocking
// images
// options.addExtensions(new File(file, "proxy.zip"));
// options.addExtensions(new File("extensions",
// "Block-image_v1.1.crx"));
DesiredCapabilities cap = DesiredCapabilities.chrome();
cap.setCapability...
How can I convert an image into Base64 string using JavaScript?
...
There are multiple approaches you can choose from:
1. Approach: FileReader
Load the image as blob via XMLHttpRequest and use the FileReader API to convert it to a dataURL:
function toDataURL(url, callback) {
var xhr = new XMLHttpRequest();
xhr.onload = function() {
var re...