COVID-19-related lockdowns, have, to say the least, put a damper on spirits. I’m going to (try to) post more frequently, not necessarily technical topics that no one will read, probably random photos, or media I’m stealing from Reddit – with a credit whenever possible.
Here’s the 1st one, a shot of the sky at Marina Barrage, a popular kite-flying venue, and if you’ll squint a bit, you can even see the moon:
Previously, I needed to extract multiple ranges from a big PDF.
Now I want to use pdftk to combine two PDFs into a single file in order to support a claim, and this worked for me:
pdftk A=foo.pdf B=bar.pdf cat A1 B3 output baz.pdf
YouTube video: https://www.youtube.com/watch?v=5AwdkGKmZ0I.
M1 is an SoC - system on a chip with a unified memory architecture:
8-core CPU: 4 performance/efficiency cores each:
This performance gulf seems to be the case for graphics as well, with an (up to) 8-core GPU.
Also, there’s a 16-core Neural Engine.
On security:
Universal App: x86_64 and arm64 binaries in a single .app/, falling back to use Rosetta 2 if there is no compatible binary.
Following How to create a bootable USB drive for macOS X El Capitan:
$ sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/UBUNTU\ 20_0 --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app Password: Ready to start. To continue we need to erase the disk at /Volumes/UBUNTU 20_0. If you wish to continue type (Y) then press return: y Erasing Disk: 0%... 10%... 20%... 30%...100%... Copying installer files to disk... Copy complete. Making disk bootable.
YouTube video: https://www.youtube.com/watch?v=KR0g-1hnQPA.
HomePod Mini Amazing sound, but I can’t describe it with any technical depth. S5 processor, the same one used in Watch Series 5 and SE, for “computation audio”; e.g., optimize loudness, adjust dynamic range, and control the movement of its own internals. Multiple units can be placed throughout the house for synchronized output, or paired up when placed in the same room. Includes the U1 processor, so it’ll know to handoff to your iPhone when it’s close; e.
YouTube video: https://www.youtube.com/watch?v=b13xnFp_LJs.
[01:48] New iPad Air: all-screen design and 5 colours. Unlock using the top button, Touch ID! USB-C connector, will work with the Magic Keyboard accessory, starts from USD 599. No mention of ProMotion (120Hz refresh), unfortunately.
[01:39] New iPad (8th generation): starting from USD 329.
[01:38] One, a new meta-service: iCloud, Music, TV+, Arcade, News+, Fitness+. Starts at USD 14.95/month.
[01:32] Fitness+, a new fitness service (USD 9.