Stan Sobolev Jacke

macOS Internals

Understand your Mac and iPhone more deeply by tracing the evolution of Mac OS X from prelease to Swift. John Siracusa delivers the details.

Starting Points

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Effective Scala Case Class Patterns

Version: 2022.03.02

Available As

SQL language proposal: JOIN FOREIGN

The idea is to improve the SQL language, specifically the join syntax, for the special but common case when joining on foreign key columns.

The problem

Example below taken from PostgreSQL documentation [1]

In SQL-89, we didn't have any JOIN syntax yet, so queries were written in this way:

David's programming examples knowledge base

Generated by code-examples-manager release 2.4.9-SNAPSHOT
659 published examples

akka-pekko

akka-actors-hello-world.sc : Simple akka hello world example
akka-capitalize-and-print.sc : dump capitalized string coming from stdin using streams
akka-http-client-json-stream.sc : Fully asynchronous http client call with json streamed response using akka-http will work in all cases, even with chunked responses !
akka-http-client-json-with-proxy.sc : Fully asynchronous http client call with json response using akka-http will work in all cases, even with chunked responses, this example add automatic http proxy support.
[akka-http-client-json.sc](https:/

Using Git Commit Message Templates to Write Better Commit Messages

The always enthusiastic and knowledgeable mr. @jasaltvik shared with our team an article on writing (good) Git commit messages: How to Write a Git Commit Message. This excellent article explains why good Git commit messages are important, and explains what constitutes a good commit message. I wholeheartedly agree with what @cbeams writes in his article. (Have you read it yet? If not, go read it now. I'll wait.) It's sensible stuff. So I decided to start following the

	// I'm tired of extensions that automatically:
	// - show welcome pages / walkthroughs
	// - show release notes
	// - send telemetry
	// - recommend things
	//
	// This disables all of that stuff.
	// If you have more config, leave a comment so I can add it!!

	{

	class Graph {
	class Node {
	var connectedNodes: List[Graph#Node] = Nil
	def connectTo(node: Graph#Node): Unit = {
	if (!connectedNodes.exists(node.equals)) {
	connectedNodes = node :: connectedNodes
	}
	}
	}
	var nodes: List[Node] = Nil

	import java.sql.Types

	import scala.annotation.tailrec
	import scala.concurrent.Await
	import scala.concurrent.ExecutionContext.Implicits.global
	import scala.concurrent.duration.Duration
	import scala.meta._

	import slick.dbio.DBIO
	import slick.jdbc.meta.{MColumn, MQName, MTable}

	package aecor.testkit

	import aecor.data.PairE
	import aecor.encoding.WireProtocol
	import aecor.encoding.WireProtocol.{ Encoded, Invocation }
	import cats.data.ReaderT
	import cats.tagless.FunctorK
	import cats.tagless.implicits._
	import cats.~>
	import scodec.bits.BitVector

	#!/usr/bin/env bash

	# To fix the " gpg: WARNING: unsafe permissions on homedir '/home/path/to/user/.gnupg' " error
	# Make sure that the .gnupg directory and its contents is accessibile by your user.
	chown -R $(whoami) ~/.gnupg/

	# Also correct the permissions and access rights on the directory
	chmod 600 ~/.gnupg/*
	chmod 700 ~/.gnupg