edolstra

Nix Flake MVP

Goals

• To provide Nix repositories with an easy and standard way to reference other Nix repositories.

• To allow such references to be queried and updated automatically.

• To provide a replacement for nix-channel, NIX_PATH and Hydra

dcastro

import shapeless._
import shapeless.ops.record.Keys
import shapeless.ops.hlist.Selector
import shapeless.tag._

/**
  * Gets the name of a case class's field, in a type-safe way.
  * If the class does not have a field with the given name, the program won't compile.
  *
  * Kinda similar to C#'s `nameof` operator, but not bolted onto the language

shengc

import java.util.Date

import org.apache.lucene.document._
import shapeless._
import shapeless.ops.hlist._
import shapeless.ops.record._

// extends from scala.annotation.StaticAnnotation is not necessary, but it kind of reminds me this is an annotation
final class indexable() extends scala.annotation.StaticAnnotation 

mvonthron

import java.sql.Timestamp
import java.util.UUID

import org.apache.spark.SparkConf
import org.apache.spark.scheduler.{SparkListener, SparkListenerStageCompleted}
import org.apache.spark.sql.functions.{col, lit}
import org.apache.spark.sql.sources.Or
import org.apache.spark.sql.types._
import org.apache.spark.sql.{DataFrame, Row, SparkSession}
import org.joda.time.DateTime

raspi

# List all possible power config GUIDs in Windows
# Run: this-script.ps1 | Out-File powercfg.ps1
# Then edit and run powercfg.ps1
# (c) Pekka "raspi" Järvinen 2017

$powerSettingTable = Get-WmiObject -Namespace root\cimv2\power -Class Win32_PowerSetting
$powerSettingInSubgroubTable = Get-WmiObject -Namespace root\cimv2\power -Class Win32_PowerSettingInSubgroup

Get-WmiObject -Namespace root\cimv2\power -Class Win32_PowerSettingCapabilities | ForEach-Object {
  $tmp = $_.ManagedElement

trbngr

  case class GraphQlRequest(query: String, operation: Option[String], variables: Json)

  def parseRequest: Directive1[GraphQlRequest] = {
    import cats.data.Xor
    import io.circe.ParsingFailure
    import io.circe.parser.{parse ⇒ parseJson}

    entity(as[Json]).map { json ⇒
      val cursor = json.hcursor
      val variables = {

jpillora

1. Go to https://developer.apple.com/downloads/index.action and search for "Command line tools" and choose the one for your Mac OSX

2. Go to http://brew.sh/ and enter the one-liner into the Terminal, you now have brew installed (a better Mac ports)

3. Install transmission-daemon with

   brew install transmission
   

4. Copy the startup config for launchctl with

   ln -sfv /usr/local/opt/transmission/*.plist ~/Library/LaunchAgents
   

davidallsopp

import org.scalatest._
import prop._
import org.scalacheck.Arbitrary._
import org.scalacheck.Gen

/**
 * Solutions to the ScalaCheck problem that shrinking failing values may generate 
 * invalid values, because the constraints of the generator are not respected.
 *
 * See also http://stackoverflow.com/questions/20037900/scalacheck-wont-properly-report-the-failing-case

huitseeker

object MyApp{
  trait ApplicativeFunctor[A, F[A]] {
    def apply[X](a:X): F[X]
    def map[B](f: A => B): F[B]
  }

  trait Monad[A, M[A]] extends ApplicativeFunctor[A, M] {
    def flatMMap[B](f: A => M[B]): M[B]
  }

azymnis

import com.twitter.scalding._
import com.twitter.algebird.{ MinHasher, MinHasher32, MinHashSignature }

/**
 * Computes similar items (with a string itemId), based on approximate
 * Jaccard similarity, using LSH.
 *
 * Assumes an input data TSV file of the following format:
 *
 *    itemId   userId