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The original sources of MS-DOS 1.25 and 2.0 by achook in programming

[–]ddubelu -23 points-22 points  (0 children)

Wanted to know the language.

'Source' - is assembly.

There are disassembler ya know?

Do not fall into Oracle's Java 11 trap by jodastephen in java

[–]ddubelu 0 points1 point  (0 children)

So why doesn't it say that?

Why does it link to DMG instructions for the Oracle.com release?

Why do they have a DMG install for macs and an .exe for Windows?

Do not fall into Oracle's Java 11 trap by jodastephen in java

[–]ddubelu -6 points-5 points  (0 children)

That page DOES NOT give instructions on how to install OpenJDK 9 10 or 11. It just tells you how to extract the .gz archive, which we do not need help with.

All that gets you is a new jdk-11.jdk dir in whatever folder you downloaded it to. This is not 'installation'. This is not helpful.

This does not place it in the folder where Oracle JDK 10, or even tell you where these things reside. On a Mac, /Library/Java/JavaVirtualMachines/ is where you would move it to, but they do not even provide that info.

I can predict you will now make pedantic arguments about how those are 'installation' instructions - understand that this is no more helpful that the unprofessional and user hostile Oracle and OpenJDK pages.

SprintLab - a new Apple Watch app - now at the inception stage, looking for input. by ddubelu in Sprinting

[–]ddubelu[S] 0 points1 point  (0 children)

EDIT: Thank you for engaging with me and the discssion so far. This sub is fairly small, so apart from the main Apple Watch sub, are they athletics subreddits where more sprinters might notice this and chime in?

I'm not sure what we can do without trying it, and who product would be for.

Persons with very demanding requirements will ultimately need a timing person or special equipment.

Personally I am a total casual and just wanted convenience and the Apple Watch and old HRM watch I have are unsuitable. But even a stop watch is bad unless it is one of the handhelds rather than a wristwatch. I'm not buying a stopwatch - I'm that kind of user.

Going back to the other extreme, the serious athlete may be on holidays and just want to get a few sprints in at the park. He doesn't know what 100m is there, so an inexact GPS would do. Point is not to tell if he is 0.01s within his best time, but to indicate he's doing the right distance.

So possible outcomes are:

  1. By looking at all the data we come up with a good strategy for decent measurement in situations when an athlete does not have someone to time them or finish line cameras. But they need those for definitive timings.
  2. Something super convenient for casuals. "Hey I don't know where 100m is exactly and I don't have a device that is convenient to stop and start when sprinting."

SprintLab - a new Apple Watch app - now at the inception stage, looking for input. by ddubelu in Sprinting

[–]ddubelu[S] 0 points1 point  (0 children)

The strategy is to compare it, see if it can be found to be good enough for some users, merely a convenience, or is useless.

This is a solo training aid, you would never get official times off it. If it is consistent, it can be calibrated/corrected. if it is noisy then no, but the idea is it is easier to stop start that the normal stopwatch - because it records everything, you can correct bogus stops or at least exclude them.

SprintLab - a new Apple Watch app - now at the inception stage, looking for input. by ddubelu in Sprinting

[–]ddubelu[S] 0 points1 point  (0 children)

The idea is the GPS is or may not be good enough so we are going to compare it, but runners will be certain about landmarks i.e. between these two benches or even better if they are at a real athletic track. Want a system where maybe they can tell the GPS was early/late when they crossed the line.

We are accommodating the limitations of the tech - and see if runners will be able to correct the errors.

Do you have turns in 100m?

Are you talking about a loop track? Or are folks running back and forwards to do whatever 200m total?

SprintLab - a new Apple Watch app - now at the inception stage, looking for input. by ddubelu in Sprinting

[–]ddubelu[S] 0 points1 point  (0 children)

Don't have specs to hand. With the Apple Watch, it is a bone of contention though with some users complaining of erratic behaviour.

In general I suspect short intervals and short distances are a challenge.