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Lighthouse headset calibration

For Dream Air Lighthouse or Crystal Super with its Lighthouse faceplate. This is an optical sensor-position calibration.

Replace every LHR-XXXXXXXX below with the connected device's Lighthouse serial. Examples: a Dream Air LHR-067XXXXX; a Crystal Super faceplate LHR-F41XXXXX. Keep separate files for each device. Use paths without spaces for calibration inputs and outputs!

1. Dump and preserve the original

Close SteamVR, switch off controllers (because they are lighthouse devices too, and you may select the wrong device by mistake), and connect only the headset being calibrated.

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- name: Set Europe/Moscow timezone
  timezone: name=Europe/Moscow
  become: yes

# Comment this out after the first run
- name: Upgrade all default packages
  apt:
    upgrade: yes
    update_cache: yes

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# Usage: ffmpeg $(( echo input1.mp4; echo input2.mp4 ) | python3 concat_overlapping_video_framemd5_demuxer.py concat_file.txt) -y -an output.mp4

import os
import sys
import subprocess

ffmpeg_concat_file, md5_last_frame = open(sys.argv[1], 'w'), None
for video_path in map(os.path.abspath, list(map(str.strip, sys.stdin))):
        framemd5 = subprocess.check_output(['ffmpeg', '-nostats', '-hide_banner', '-i', video_path, '-an', '-f', 'framemd5', '-c', 'copy', '-'], stderr = open(os.devnull, 'w'))
        inpoint, tb_num, tb_den = 0, 1, 1

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Array.prototype.filter.call(document.getElementsByClassName('video-abstract-preview'), function(el) { el.style.height = 'auto'; });

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Simple GIT usage for tracking changes in an important local file

Preparation (just once)

• Install homebrew: http://brew.sh

• Update homebrew. For that, in terminal, run:

brew update

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require 'json'

# batch-renaming files like 
# 254--08.00-08.30--Комиссия.mp4 
# to
# 20c6655a-4b0d-11e1-8a16-001999c6cab9/1330833600-1330835400.mp4
# 
File.read("spec/sample_files/json_results.txt").lines.map do |line| 
  JSON.parse(line)
end.sort_by { |json| json["video_start"] }.each do |json| 

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diff --git a/Library/Formula/gst-plugins-ugly.rb b/Library/Formula/gst-plugins-ugly.rb
index bad2771..c0ca39e 100644
--- a/Library/Formula/gst-plugins-ugly.rb
+++ b/Library/Formula/gst-plugins-ugly.rb
@@ -34,7 +34,7 @@ class GstPluginsUgly < Formula
   depends_on 'x264' => :optional
 
   def install
-    ENV.append "CFLAGS", "-no-cpp-precomp -funroll-loops -fstrict-aliasing"
+    ENV.append "CFLAGS", "-no-cpp-precomp -funroll-loops -fstrict-aliasing -I/usr/local/include/opencore-amrnb -I/usr/local/include/opencore-amrwb"