mnylen

Simple implementation of debounced fetching in GraphQL to allow merging of multiple rest / database requests into one. Although this example uses GraphQL, the debouncedFetch / fetchProgramPlaycount implementations could probably be used in any context to achieve the same result.

This approach was first described by @leebyron at graphql/graphql-js#19 (comment)

For example this allows turning ten requests for playcounts from this GraphQL query into just one:

{
  latestPrograms(first: 10) {
    name,

playcount

mnylen

Using the new Safari View Controller from React Native application

• Safari View Controller is iOS 9 only. You need Xcode 7 (beta 2 currently) to use it

• React Native 0.6.0 is the minimum I got this working on

You might need to add this to your Info.plist in order for iOS 9 to load your application correctly:

<key>NSAppTransportSecurity</key>

mnylen

wait4(-1, 0x7fffe0ce8fd4, WNOHANG|WSTOPPED|WCONTINUED, 0x7fffe0ce8ff0) = 0
rt_sigreturn({mask=[]})                 = -1 EINTR (Interrupted system call)
kill(8741, SIGCONT)                     = -1 ESRCH (No such process)
kill(8744, SIGCONT)                     = 0
rt_sigprocmask(SIG_BLOCK, [CHLD], [INT CHLD WINCH], 8) = 0
rt_sigsuspend([], 8)                    = ? ERESTARTNOHAND (To be restarted if no handler)
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_CONTINUED, si_pid=8744, si_uid=1000, si_status=SIGCONT, si_utime=0, si_stime=0} ---
rt_sigprocmask(SIG_BLOCK, ~[RTMIN RT_1], [CHLD], 8) = 0
rt_sigprocmask(SIG_SETMASK, [CHLD], ~[KILL STOP RTMIN RT_1], 8) = 0
wait4(-1, [{WIFCONTINUED(s)}], WNOHANG|WSTOPPED|WCONTINUED, {ru_utime={tv_sec=0, tv_usec=0}, ru_stime={tv_sec=0, tv_usec=15625}, ...}) = 8744

mnylen

function echoerr {
  echo "$@" 1>&2;
}

docker_username=${DOCKER_USER:-}
docker_password=${DOCKER_PASSWORD:-}

if [ -z "$docker_username" ]; then
  if command -v docker-credential-osxkeychain > /dev/null 2>&1; then
    readonly registry_url="https://index.docker.io/v1/"

mnylen

S3/CloudFront problems

• CloudFront: updates are very slow, taking about 20 - 30 minutes each time you try to change something to fix some of the things listed here
• CloudFront: no support for Cache-Control: stale-while-revalidate (would be nice for index.html etc. that can't be hashed)
• CloudFront: does not forward the original host name to a custom origin (would be useful for creating a S3 proxy origin to fix some of the issues here, instead of trying to implement them w/ lambda@edge)
• S3: Vary: Origin header is not added for non-CORS requests    * this is needed to fix a browser caching issue where if you load an image via , the browser will cache the response to that. Then, when you do cross origin XHR to the same object to receive metadata, the browsers will use the cached response and fail, because it didn't contain Access-Control-Allow-Origin header for the original request made by - and because there was no Vary: Origin, browser doesn't think it could get a di

mnylen

import org.apache.commons.io.IOUtils
import org.eclipse.jetty.http.HttpHeaders
import org.eclipse.jetty.testing.HttpTester
import org.eclipse.jetty.io.ByteArrayBuffer
import util.DynamicVariable
import org.scalatra.test.ScalatraTests
import java.net.HttpCookie
import java.io.{ByteArrayOutputStream, FileInputStream, File}

trait ScalatraFileUploadTests extends ScalatraTests {

mnylen

import org.scalatra._
import org.scalatra.test.specs2._

class TestTest extends MutableScalatraSpec {
  override def start() {
    println("/// STARTING JETTY")
    super.start()
  }

  override def stop() {

mnylen

$ m2search "logback"
"de.huxhorn.lilith" % "logback" % "0.9.41"
"ch.qos.logback" % "logback" % "0.5"
"ch.qos.logback" % "logback-parent" % "1.0.6"
"ch.qos.logback" % "logback-site" % "1.0.6"
"ch.qos.logback" % "logback-skin" % "0.9"
"org.wicketstuff" % "wicketstuff-logback-parent" % "6.0.0-beta1.1"
"ch.qos.logback" % "audit-parent" % "0.5"
"ch.qos.logback" % "logback-examples" % "1.0.6"
"ch.qos.logback" % "logback-access" % "1.0.6"

mnylen

(def x (transient {}))
(conj! x [\A 1])  ;; => #<TransientArrayMap clojure.lang.PersistentArrayMap$TransientArrayMap@646dee9f>
(conj! x [\B 2])  ;; => #<TransientArrayMap clojure.lang.PersistentArrayMap$TransientArrayMap@646dee9f>
(conj! x [\C 3])  ;; => #<TransientArrayMap clojure.lang.PersistentArrayMap$TransientArrayMap@646dee9f>
(conj! x [\D 4])  ;; => #<TransientArrayMap clojure.lang.PersistentArrayMap$TransientArrayMap@646dee9f>
(conj! x [\E 5])  ;; => #<TransientArrayMap clojure.lang.PersistentArrayMap$TransientArrayMap@646dee9f>
(conj! x [\F 6])  ;; => #<TransientArrayMap clojure.lang.PersistentArrayMap$TransientArrayMap@646dee9f> 
(conj! x [\G 7])  ;; => #<TransientArrayMap clojure.lang.PersistentArrayMap$TransientArrayMap@646dee9f>
(conj! x [\H 8])  ;; => #<TransientArrayMap clojure.lang.PersistentArrayMap$TransientArrayMap@646dee9f>
(conj! x [\I 9])  ;; => #<TransientHashMap clojure.lang.PersistentHashMap$TransientHashMap@77aa13c5>

mnylen

val resp = client
  .prepareSearch(IndexName)
  .setTypes(TypeName)
  .setQuery(qb)
  .addSort("id", SortOrder.ASC)
  .execute()
  .actionGet()

resp.getHits.getHits.map(hit =>
  parse(hit.sourceAsString()).asInstanceOf[JObject]