Nazar Nazar32

NiFi Loop flow example

This template is analogous to the traditional for(i = 0; i < x; i++) loop in NiFi Data flow.

How to setup Let's Encrypt for Nginx on Ubuntu 18.04 (including IPv6, HTTP/2 and A+ SLL rating)

Virtual hosts

Let's say you want to host domains first.com and second.com.

Create folders for their files:

Problem

I have two Github accounts: oanhnn (personal) and superman (for work). I want to use both accounts on same computer (without typing password everytime, when doing git push or pull).

Solution

Use ssh keys and define host aliases in ssh config file (each alias for an account).

How to?

Generate ssh key pairs for accounts and add them to GitHub accounts.

Installing ngrok on OSX

For Homebrew v2.6.x and below:

brew cask install ngrok

For Homebrew v2.7.x and above:

import itertools as IT
def scale_polygon(path,offset):
    center = centroid_of_polygon(path)
    for i in path:
        if i[0] > center[0]:
            i[0] += offset
        else:
            i[0] -= offset
        if i[1] > center[1]:

	How to disable auto-save:
	Go to File > Settings (Ctrl+Alt+S).
	Go to Appearance & Behavior > System Settings.
	Make sure the two are unchecked:
	Save files on frame deactivation
	Save files automatically if application is idle for x sec.
	Go to Editor > General > Editor Tabs
	Put a checkmark on "Mark modified files with asterisk"
	(Optional but recommended) Under "Tab Closing Policy", select "Close non-modified files first". You may also want to increase the number of allowed tabs.
	Click Apply > OK.

	/**
	* Toggle fullscreen function who work with webkit and firefox.
	* @function toggleFullscreen
	* @param {Object} event
	*/
	function toggleFullscreen(event) {
	var element = document.body;

	if (event instanceof HTMLElement) {
	element = event;

	var p1 = {
	x: 20,
	y: 20
	};

	var p2 = {
	x: 40,
	y: 40
	};

	var urlLib = require('url');

	function UrlAdapter(urlString) {
	this.urlObj = urlLib.parse(urlString, true);
	// XXX remove the search property to force format() to use the query object when transforming the url object to a string
	delete this.urlObj.search;
	}

	exports.UrlAdapter = UrlAdapter;