kubukoz

runner.dialect = scala3
runner.dialectOverride.allowSignificantIndentation = false
# allows `if x then y`
runner.dialectOverride.allowQuietSyntax = true

bastman

Docker - How to cleanup (unused) resources

Once in a while, you may need to cleanup resources (containers, volumes, images, networks) ...

delete volumes

// see: https://github.com/chadoe/docker-cleanup-volumes

$ docker volume rm $(docker volume ls -qf dangling=true)

$ docker volume ls -qf dangling=true | xargs -r docker volume rm

izmailoff

// Liquibase SBT dependency is something like this:
// "org.liquibase" % "liquibase-core" % "3.0.5"

import java.sql.Connection
import liquibase.Liquibase
import liquibase.resource.FileSystemResourceAccessor
import liquibase.database.DatabaseFactory
import liquibase.database.jvm.JdbcConnection
import liquibase.resource.ClassLoaderResourceAccessor
import net.liftweb.common.Logger

milessabin

scala> import shapeless._, record._
import shapeless._
import record._

scala> case class Person(name: String, address: String, age: Int)
defined class Person

scala> val joe = Person("Joe", "Brighton", 33)
joe: Person = Person(Joe,Brighton,33)

babrath

// first go to https://www.facebook.com/groups/XXXX/members/
// then paste this in the javascript console
deleteAll = [];
deleteAll.elms = [];
 
deleteAll.canClick = function (el) {
  return (typeof el != 'undefined') && (typeof el.click != 'undefined');
}
 
deleteAll.load = function() {

gregrickaby

/* Reset
------------------------------------------------------------ */
body#ttrssMain,
body#ttrssPrefs,
body#ttrssLogin,
body {
    color: #000;
    font-family: "Arial", sans-serif;
    font-size: 100%; /* Set to default browser size, 16px */
    line-height: 1.5;

mattbrictson

<input type="radio" name="ticker" value="AAPL"/>Apple<br/>
<input type="radio" name="ticker" value="GOOG"/>Google<br/>
<input type="radio" name="ticker" value="MSFT"/>Microsoft<br/>

retronym

trait Inv[A] { self: Contra[A] => } 
trait Contra[-A] extends Inv[A @uncheckedVariance]

implicit val C1: Contra[Any] = new Contra[Any] {}
implicit val C2: Contra[Int] = new Contra[Int] {}

assert(implicitly[Inv[Any]] eq C1)                                                                                                                                        
assert(implicitly[Contra[Any]] eq C1)

assert(implicitly[Inv[Int]] eq C2)

jonnywray

import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.panel.EmptyPanel;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.request.cycle.RequestCycle;
import org.apache.wicket.request.resource.PackageResourceReference;