An awesome(simple) QR code generator written in JavaScript.

Live demo Check out our brand-new live demo. Or you can also access the live demo by typing bitcat.cc/awesome in the browser on your smartphone. Compatibility Awesome-qr.js is compatible with following browsers. Chrome 4+ (Chrome for Android 53+) Firefox 3.6+ (Firefox for Android 49+) Opera 9+ (Opera Mobile 10+) Safari 4+ (iOS Safari 3.2+) Android Browser 3+ Edge 12+ …

Keep npm modules up-to-date

There is a npm package which provides functionality to check the up-to-date status of the npm packages and update them to latest versions. Here is detail information about the package. https://www.npmjs.com/package/npm-check-updates Usage is simple Install the package using npm install -g npm-check-updates Check latest versions using ncu Update to latest versions using ncu -u

Popper.js – JavaScript positioning library

Popper.js is a library for positioning elements relative to other elements, like tooltip positioning or dock positioning. Famous libraries and frameworks are using Popper.js library to position tooltips and hover effects, including bootstrap. There are plenty of options and plugins to make Popper.js a powerful positioning library, including auto flipping, keeping target inside a certain …

Keep SSH connection over Outline connection.

As most of you are already familiar with, Outline is a good ShadowSocks client, which provides tunneling for all traffic on computer. But there is one big draw back, when we are doing server related works over SSH connection.Somehow, Outline app automatically detects and disconnects SSH connection after around 15 seconds of idle time. We …

Gunicorn, Python WSGI HTTP Server for UNIX

Gunicorn ‘Green Unicorn’ is a Python WSGI HTTP Server for UNIX. It’s a pre-fork worker model. The Gunicorn server is broadly compatible with various web frameworks, simply implemented, light on server resources, and fairly speedy. Installation Here’s a quick rundown on how to get started with Gunicorn. For more details read the documentation.

Elasticsearch

Elasticsearch is a search engine based on the Lucene library. It provides a distributed, multitenant-capable full-text search engine with an HTTP web interface and schema-free JSON documents. Elasticsearch is developed in Java and is released as open source under the terms of the Apache License. According to the DB-Engines ranking, Elasticsearch is the most popular …

TRON Blockchain

TRON is an ambitious project dedicated to the establishment of a truly decentralized Internet and its infrastructure. The current TRON team radiates out from Beijing to Seoul, Tokyo, San Francisco and many other countries and regions, totaling more than 100 members. The technological backbones of TRON are experienced blockchain enthusiasts who were previously employed by …

Check if mobile browser, based on useragent string.

mobile({ [ua], [tablet] }) Returns true if a mobile browser is being used. If you don’t specify opts.ua it will use navigator.userAgent. To add support for tablets, set tablet: true. opts.ua can also be an instance of a node.js http request, in which case it will reader the user agent header. Example: var http = require(‘http’);var mobile = require(‘is-mobile’); var server = http.createServer(function (req, res) {  res.end(mobile(req));}); server.listen(8000); Installation With npm do: npm install is-mobile Bundle for the browser with browserify.