The Whiteboard

1:17 PM

People who don't use types reasonably piss me off.

I should never have to do anything like *((X*) var).

2 hours later…

2:57 PM

Turns out an unexpected drawback of Google Now - when you get flight confirmations for flights you didn't book but someone put the wrong email address for.... and GNow adds it everywhere. lol

user41796

3:44 PM

@enderland - as a mod, are you allowed to edit the room owners of any chat room?

I think struct padding is screwing me.

user41796

@ThomasOwens Can certainly happen, yes

The sizeof the struct is 2 bytes bigger than the sum of the components. I have an array of these structs. After I read element 0, the values start going bogus in element 1.

But in the file, the location of the data isn't padded.

user41796

@ThomasOwens Why are you doing pointer arithmetic to get to the next element in the array? You should be able to have a pointer for the current struct and then index through the array like a regular array.

user41796

Or did I misread what's going on?

3:54 PM

@GlenH7 I am.

I'm not doing pointer arithmetic.

user41796

I bet one of your variables in the struct is a short and you're dealing with byte padding.

Yeah.

@GlenH7 I'd assume so

user41796

You should be able to turn off byte padding and recompile.

Double, a handful of uint16_ts, a float, a uint32_t, and a whole bunch of floats.

3:56 PM

I can edit the room tags/etc

Yeah. I'm thinking about doing that. But I don't know what I would break if I did...

user41796

@enderland Would either your or Thomas like to experiment with the new Engineering chat room and make me a room owner there?

user41796

stupid typos. Can't type for crud today.

user41796

@ThomasOwens Just run the regression test suite to validate it.

I haven't really participated yet, so I don't feel comfortable.

@GlenH7 Yeah. I'm just afraid of the results.

user41796

3:57 PM

Don't kick me for poking fun... :-(

user41796

@ThomasOwens The chat history will take you all of 5 minutes to skim... :-)

user41796

I dunno how I feel about hanging out in two rooms at once though... :-)

There.

user41796

Cool, thanks. It feels awkward being in a chat room and not being able to fix things... :-)

user41796

@ThomasOwens Another option to consider is compiling just the module that handles those structs without byte padding. And then link that module to the others. That would minimize some of the risk from the change.

user41796

4:05 PM

But you would need to provide an intermediate struct / class that could be sent to the other modules. That intermediate structure wouldn't have the short so it would remain the same size regardless of the byte offset padding option.

aww my first workplace answer in over a month only has 2 upvotes...

user41796

@enderland You should suspend all the users who didn't up vote your answer then....

hmmmm

I would like to remain a mod :P

user41796

Pffff

@enderland The question only has 118 views.

user41796

4:12 PM

@durron597 Exactly, so he should easily have 100+ up votes already.

A: How do I solve the world's hardest sudoku?

@enderland Why didn't you upvote the question?

I'm at a point (on SO anyways) that if I'm going to bother to answer the question, then that means the question is worthy of an upvote

By the way, I know the question is super super old, but this answer is awesome:

Guessing single values in a depth-first search is sub-optimal. So, here is a reasoning chain based on a breadth-first hypothesis/disproof method (which my stepson reluctantly calls "educated guessing"). Just following the chain including contradictions requires to solve 23 variants of the sudo...

user41796

@durron597 He's on a race to challenge gnat for downvote percentages... :-)

Especially read the link he made to the full webpage on the subject

user41796

@durron597 I'm about to tackle some optimization stuff, so that looks to be an interesting read.

@durron597 I had, some folks downvoted it (I edited it pretty significantly)

4:25 PM

2 hours later…

dcorking

6:39 PM

can I put a hyperlink in a tag wiki summary, and if so how? (it doesn't show up in my suggested edit.)

user41796

@dcorking In the excerpt, no. In the regular body, yes

dcorking

aha thanks @GlenH7 - I'll go fix my suggested edit before someone reviews it.

user41796

psr

8:01 PM

@durron597 If you count the website then that's a pretty epic answer.

1 hour later…

9:22 PM

@psr If I had more rep on that site I'd give him an awesome answer bounty

Did you upvote it?

9:39 PM

@durron597 Maybe it's because I'm tired but man I'm having a hard time following that explanation...