USS Hornet

By Robert Ellison. Updated on Saturday, June 7, 2025.

USS Hornet

USS Hornet

USS Hornet

USS Hornet

USS Hornet

Photos of the USS Hornet taken with a Lytro light field camera.

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(Published to the Fediverse as: USS Hornet #photo #hornet #lytro Photos of the USS Hornet in Alameda, California. Taken with a Lytro light field camera. )

Catfood Earth for Android 1.40

By Robert Ellison. Updated on Monday, May 31, 2021.

San Francisco from Alameda

By Robert Ellison. Updated on Saturday, June 7, 2025.

San Francisco from Alameda

Photo of downtown San Francisco under a lot of clouds taken from Alameda.

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(Published to the Fediverse as: San Francisco from Alameda #photo #sanfrancisco San Francisco from Alameda, a photo with San Francisco in the distance under a lot of clouds. )

Number Line

By Robert Ellison. Updated on Saturday, June 7, 2025.

Number Line

From The Museum of Mathematics at Discovery Days (AT&T Park).

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(Published to the Fediverse as: Number Line #photo #lytro Lightfield photo of a number line from The Museum of Mathematics at Discovery Days. )

Lightfield Tree

By Robert Ellison. Updated on Saturday, June 7, 2025.

Lightfield Tree

Playing with Lytro (light field camera). A tree in Bernal Heights Park, San Francisco.

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(Published to the Fediverse as: Lightfield Tree #photo #lytro Photo of a tree in Bernal Heights Park, San Francisco, California. Shot with a Lytro light field camera. )

Book reviews for October 2013

By Robert Ellison. Updated on Friday, February 24, 2017.
Never Go Back (Jack Reacher, #18) by Lee Child

Never Go Back (Jack Reacher, #18) by Lee Child

4/5

Exactly what you'd expect from Reacher. It's a solid thriller and totally on form.

 

The Immortal Life of Henrietta Lacks by Rebecca Skloot

The Immortal Life of Henrietta Lacks by Rebecca Skloot

4/5

The fascinating, troubling and ultimately morally ambiguous story of how a ubiquitous and storied cell line (HeLa) came to be, and the impact this had on the family of Henrietta Lacks (whose cells became HeLa).

 

The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses by Eric Ries

The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses by Eric Ries

3/5

The central idea of the book - better to construct small experiments and learn faster - seems right, but for a book about validated learning there is precious little data to support the hypothesis. Do Lean Startups return more money to investors or do they just pivot between slightly different ways to share photos before entering the deadpool at the same rate as Fat Startups? I want to believe Lean is better but a stack of anecdotes about IMVU just isn't enough to convince me.

Also, I hate all business books that start out by explaining how their profound ideas are applicable to all people at all times in all industries before stretching out a paragraph of insight over hundreds of turgid pages.

Lastly always read business books a few years after the peak of their popularity so you get the benefit of hindsight and a chuckle at the companies that are held up as shining examples of the author's methodology at the time but are now dead, festering or mostly incarcerated.

Having said all that I think that the approach is generally right and I appreciate that at several points in the book Ries states that there are no easy answers and no substitute for good judgement.

 

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Book reviews for October 2013

By Robert Ellison. Updated on Friday, February 24, 2017.
Never Go Back (Jack Reacher, #18) by Lee Child

Never Go Back (Jack Reacher, #18) by Lee Child

4/5

Exactly what you'd expect from Reacher. It's a solid thriller and totally on form.

 

The Immortal Life of Henrietta Lacks by Rebecca Skloot

The Immortal Life of Henrietta Lacks by Rebecca Skloot

4/5

The fascinating, troubling and ultimately morally ambiguous story of how a ubiquitous and storied cell line (HeLa) came to be, and the impact this had on the family of Henrietta Lacks (whose cells became HeLa).

 

The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses by Eric Ries

The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses by Eric Ries

3/5

The central idea of the book - better to construct small experiments and learn faster - seems right, but for a book about validated learning there is precious little data to support the hypothesis. Do Lean Startups return more money to investors or do they just pivot between slightly different ways to share photos before entering the deadpool at the same rate as Fat Startups? I want to believe Lean is better but a stack of anecdotes about IMVU just isn't enough to convince me.

Also, I hate all business books that start out by explaining how their profound ideas are applicable to all people at all times in all industries before stretching out a paragraph of insight over hundreds of turgid pages.

Lastly always read business books a few years after the peak of their popularity so you get the benefit of hindsight and a chuckle at the companies that are held up as shining examples of the author's methodology at the time but are now dead, festering or mostly incarcerated.

Having said all that I think that the approach is generally right and I appreciate that at several points in the book Ries states that there are no easy answers and no substitute for good judgement.

 

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Fortune Cookies for Android

By Robert Ellison. Updated on Thursday, November 12, 2015.

Fortune Cookies for Android

Fortune is now available on Google Play. It's an Android version of the UNIX fortune program and will send a random fortune cookie to your notification area at 8ish every morning.

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(Published to the Fediverse as: Fortune Cookies for Android #code #fortune #software Fortune Cookies, the UNIX classic, is now available for Android. )

ZoneInfo Update (tzdata for .NET)

By Robert Ellison. Updated on Wednesday, June 2, 2021.

ZoneInfo Update (tzdata for .NET)

I've used the ZoneInfo (PublicDomain.ZoneInfo) project from CodePlex for quite a few years, especially in Catfood Earth. The project had rusted a little so I emailed the author (Mark Rodrigues) and he was kind enough to add me as a developer. I've just updated ZoneInfo with some of the local changes I'd made and a variety of patches from the CodePlex community. It now works with the latest IANA tzdata file, at least for the test cases I can run. Let me know if I missed something (and thanks Mark for letting me contribute back to this very helpful project).

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(Published to the Fediverse as: ZoneInfo Update (tzdata for .NET) #code #software #earth #zoneinfo #codeplex ZoneInfo - updated library to access the IANA time zone database (tzdata) from .NET projects. )

Moon, Sutro Tower (from Bernal Heights)

By Robert Ellison. Updated on Saturday, June 7, 2025.

Moon, Sutro Tower (from Bernal Heights)

Photo of a setting full moon early in the morning next to Sutro Tower in San Francisco.

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(Published to the Fediverse as: Moon, Sutro Tower (from Bernal Heights) #photo #bernal A photograph of the moon and Sutro Tower in San Francisco, California. )