schmmd

/* contravariance required so Empty can be used with Nodes ( Nothing <: T ) */
class Tree[+T]
case object Empty extends Tree[Nothing] 
case class Node[T](val elem: T, val left: Tree[T], val right: Tree[T]) extends Tree[T]

def inOrder[T](t: Tree[T]): List[T] = t match {
  case Empty => Nil
  case Node(e, left, right) => inOrder(left) ::: List(e) ::: inOrder(right)
}

jexchan

Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "[email protected]"

jabley

s/NUMBER(22,0)/BIGINT/
s/NUMBER(9,0)/INT/
s/NUMBER(8,0)/INT/
s/NUMBER(6,0)/MEDIUMINT/
s/NUMBER(5,0)/SMALLINT/
s/NUMBER(3,0)/TINYINT/
s/NUMBER(2,0)/TINYINT/
s/NUMBER(1,0)/BIT/
s/NUMBER(16,2)/DECIMAL(16,2)/
s/NUMBER(11,2)/DECIMAL(11,2)/

bobbyno

#
#!optional
#!rest
#(
#\
#\altmode
#\backnext
#\backspace
#\call
#\linefeed

ceteri

arudmin

#!/usr/bin/python
# -*- coding: utf-8 -*-

import os
import re
from lxml import etree
import StringIO
import sys

reload(sys)

cassiozen

Pixelbook Setup

Change your channel

Some of the features mentioned in this document only work on the beta or Dev channel. To change your channel:

1. chrome://help in a browser window
2. Click Detailed Build Information
3. Change Channel
4. Select Beta (Or Dev, if you're feeling adventurous)

satorg

Applicable for:

• IntelliJ IDEA CE 2019.1 (2018.* – ?)
• macOS Mojave
• may also work for other IDEA/macOS versions

Steps to fix:

1. Go to directory ~/Library/Preferences/IdeaIC${IDEA_VERSION}/
   • for IntelliJ IDEA CE 2019.1: ~/Library/Preferences/IdeaIC2019.1/.
2. There're two files in this directory:

• ./settingsRepository/repository/scala.xml;