Upgrading svn on Mac OS X

This is a quick way to upgrade svn (subversion) on Mac OS X.

In this particular case it was Mac OS X 10.11 (El Capitan) and svn was upgraded from v1.7 to v1.9.

Apple Photos displays incorrect thumbnails for some photos

Apple Photos on Mac OS 10.11 (El. Capitan). Some photos have mixed up thumbnails. Basically this means that preview thumbnail is one photo, but when a user double clicks on the thumbnail, a completely different photo is displayed...

Apple Photos on Mac OS - iCloud download stuck on "Updating"

Issue

Macbook Air (MacOS 10.11 - El Capitan) with empty Photos library cannot download photos from iCloud (previously uploaded by another Macbook). iCloud Photo Library status in Photos > Preferences > iCloud stuck on "Updating" for over 24 hours.

Restarting computer, pausing iCloud upload, re-creating or repairing Photos database doesn't make any difference.

Crackling and popping audio noise in iMove videos

Quite recently, while on holiday I have been taking some videos with Sony A6000 mirrorless photo camera. To help with wind noise I also brought Sony ECM-XYST1M external microphone. I normally edit video with Sony Movie Studio, but since I had a Macbook with me, this time I decided to edit my videos using iMovie. It was my first time using iMovie, but I found it quite intuitive and easy to work with.

While editing I noticed that during some transitions I get quite loud popping noise, but I expected these to go away in the encoded video. Unfortunately, encoded video not only didn't remove these pops in transitions, but also added much more popping and crackling audio artifacts throughout the whole video. I noticed that majority of affected videos were recorded vith ECM-XYST1M microphone, and some clips were affected much more than others. None of these audio artifacts were present in source videos.

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