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Great Tests

• Test on thing
• If that things break,only one test fails
• Repeatable
• Don't rely on run order
• Don't require external resources

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Computer Program Efficiency Optimizing Best Practice.

Why Do?

• High impact, High value if fixed.
• Valid, Required functionality
• We can set reasonable efficiency
• Nothing more important

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/**
 *
 * @param {Object} [constraints={ video: true }] constraints - MediaStreamConstraints
 * @returns {Promise<MediaStream>}
 */
export function getDisplayMedia(constraints = defaultDisplayMediaConstraints) {
  return global.navigator.mediaDevices
    .getDisplayMedia(constraints)
    .then(stream => {
      // support for Chrome's content hint stuff which prefers detail over fluent video.

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[Unit]
Description=coTURN STUN/TURN Server
Documentation=man:coturn(1) man:turnadmin(1) man:turnserver(1)
After=network.target

[Service]
AmbientCapabilities=CAP_NET_BIND_SERVICE
User=turnserver
Group=turnserver
Type=forking

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iOS bitcode not support yet

H264 Hardware Acceleration

Enabled by default for the latest builds of WebRTC

iOS Required

• libresolv.tbd
• AVFoundation.framework
• CoreMedia.framework

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image: docker:latest

variables:
  REPOSITORY_URL: xxx.dkr.ecr.us-west-2.amazonaws.com/xxx
  REGION: us-west-2
  TASK_DEFINTION_NAME: xxx
  CLUSTER_NAME: xxx
  SERVICE_NAME: xxx

services:

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Configuring Linux usage limits with Docker and AWS ECS

• ECS TASK Definitions.

"containerDefinitions": [
    {
...
      "ulimits": [
 {

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Development Phase:

Step 1: Create Certificate .pem from Certificate .p12
Command: openssl pkcs12 -clcerts -nokeys -out apns-dev-cert.pem -in apns-dev-cert.p12

Step 2: Create Key .pem from Key .p12
Command : openssl pkcs12 -nocerts -out apns-dev-key.pem -in apns-dev-key.p12

Step 3: Optional (If you want to remove pass phrase asked in second step)
Command : openssl rsa -in apns-dev-key.pem -out apns-dev-key-noenc.pem

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# This is a basic configuration that can easily be adapted to suit a standard
# installation. For more advanced options, see opendkim.conf(5) and/or
# /usr/share/doc/opendkim/examples/opendkim.conf.sample.

# Log to syslog
Syslog			yes
# Required to use local socket with MTAs that access the socket as a non-
# privileged user (e.g. Postfix)
UMask			002

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1. Update nginx conf (/etc/nginx/nginx.conf)

  http {
    ...
    ...
    real_ip_header X-Forwarded-For; # Get Client IP From X-Forwarded_For
    set_real_ip_from 10.0.0.0/8;  # AWS ELB ip ranges
    ...
...