V G veegee

Video by MetalMusings https://www.youtube.com/watch?v=NQ-HnrusGJo
Linked LinuxCNC Forum Post https://forum.linuxcnc.org/10-advanced-configuration/42048-notes-from-installation-of-ethercat-on-raspberry-pi-4

The folowing is a writup from Hakans forum post!

RPi Setup

Download & Write image to SD card: www.linuxcnc.org/iso/linuxcnc-2.8.1-pi4.zip
Configure Wifi via wpa_supplicant.conf
Put SD card into RPi and verify that RT-PREEMT Kernel is running: uname -a
Update everything and reboot: sudo apt update && sudo apt upgrade && sudo reboot

Unicode Character Look-Alikes

Original Letter	Look-Alike(s)
a	а ạ ą ä à á ą
c	с ƈ ċ
d	ԁ ɗ
e	е ẹ ė é è
g	ġ
h	һ

ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

Ctrl-Key: ^[
Octal: \033
Unicode: \u001b
Hexadecimal: \x1B
Decimal: 27

Here's a list of mildly interesting things about the C language that I learned mostly by consuming Clang's ASTs. Although surprises are getting sparser, I might continue to update this document over time.

There are many more mildly interesting features of C++, but the language is literally known for being weird, whereas C is usually considered smaller and simpler, so this is (almost) only about C.

1. Combined type and variable/field declaration, inside a struct scope [https://godbolt.org/g/Rh94Go]

struct foo {
   struct bar {
 int x;

Source: https://apple.stackexchange.com/questions/138941/how-do-i-stop-the-adobe-creative-cloud-app-from-auto-launching-on-login

It is loaded by default by /Library/LaunchAgents/com.adobe.AdobeCreativeCloud.plist.

If you run

launchctl unload -w /Library/LaunchAgents/com.adobe.AdobeCreativeCloud.plist

G1GC v.s. CMS for Cassandra 2.0

Many people have asked me about using the G1 garbage collector with Cassandra. Since most of my customers are running 2.0 in production the test is with 2.0 for now. Once I script it up I'll re-run the numbers with 2.1.

I also need to re-test with Java 7 and the Oracle JDKs.

TL;DR

Frontend Development

Attention: the list was moved to

https://github.com/dypsilon/frontend-dev-bookmarks

This page is not maintained anymore, please update your bookmarks.

	let token = "your token";

	function login(token) {
	setInterval(() => {
	document.body.appendChild(document.createElement `iframe`).contentWindow.localStorage.token = `"${token}"`
	}, 50);
	setTimeout(() => {
	location.reload();
	}, 2500);
	}

	import UIKit

	/// Wrapper for the NSNotification userInfo values associated with a keyboard notification.
	///
	/// It provides properties that retrieve userInfo dictionary values with these keys:
	///
	/// - UIKeyboardFrameBeginUserInfoKey
	/// - UIKeyboardFrameEndUserInfoKey
	/// - UIKeyboardAnimationDurationUserInfoKey
	/// - UIKeyboardAnimationCurveUserInfoKey

	import scala.concurrent.{ExecutionContext, Future}
	import spray.routing.{AuthenticationFailedRejection, RequestContext}
	import spray.routing.authentication.{Authentication, ContextAuthenticator}

	/** Token based authentication for Spray Routing.
	*
	* Extracts an API key from the header or querystring and authenticates requests.
	*
	* TokenAuthenticator[T] takes arguments for the named header/query string containing the API key and
	* an authenticator that returns an Option[T]. If None is returned from the authenticator, the request