twitter/bijection

Reversible conversions between types

Ghost

@ghost~54c6a0bddb8155e6700f1b4a

oooh, that sounds challenging from a “Now where is that key again….” prospective

P. Oscar Boykin

@johnynek

I can touch type after 2 weeks (often glancing at the on screen cheat)

Ghost

@ghost~54c6a0bddb8155e6700f1b4a

ah you’ve an onscreen cheat!

P. Oscar Boykin

@johnynek

It is just a lot of fighting habit

Ghost

@ghost~54c6a0bddb8155e6700f1b4a

any idea of your WPM in qwerty vs vs colemak vs dovorak ?

P. Oscar Boykin

@johnynek

it is a nicer keyboard than Dvorak

probably all are shit now....

:) I expect another month to get up to speed

Ghost

@ghost~54c6a0bddb8155e6700f1b4a

Haha, well i suppose with fancy types and everything else you don’t need to type fast that often. Just better not write up any reports or similar

P. Oscar Boykin

@johnynek

But I loke that more of the keys and shortcuts are in common with QWERTY

Ghost

@ghost~54c6a0bddb8155e6700f1b4a

Yeah that aspect does look pretty nifty… too early to notice any real benefits over QWERTY i presume?

P. Oscar Boykin

@johnynek

ha. Yeah, actually coding does suck, because you want to use all your cognition for code, not distractions of typing.

But subjectively it feels more comfortable already

Ghost

@ghost~54c6a0bddb8155e6700f1b4a

ahhh interesting, hadn’t thought too much about the cognitive impact of it. I could see that breaking your train of thought and being frustrating

How’ve you been getting on with passwords, like logging in?

P. Oscar Boykin

@johnynek

Amazingly that's okay. I do use last pass and one password though

(stripe pass in 1password)

Ghost

@ghost~54c6a0bddb8155e6700f1b4a

Will have to give it a go on a slow day, i tried 10 seconds of it there, took that long to get 1 word out….!

Ghost

@ghost~54c6a0bddb8155e6700f1b4a

@johnynek with those PR’s, anything else we want to do before rls? Seems like not a binary compatible change for bijection. But not one that should also cause people issues really — inheritance changing of a class seems like a rare problem

but possible

P. Oscar Boykin

@johnynek

that's all I thikn is worth it to do, @ianoc . The size limit on class names might also break compat.

Shane Delmore

@ShaneDelmore

I am tech spiking on Finatra 2.0 today with Quill as the data access library for fun. Going alright so far but one bit feels boilerplatey and I was hoping someone here could help...

P. Oscar Boykin

@johnynek

what’s up?

Shane Delmore

@ShaneDelmore

Finatra wants Twitter Futures, Quill supplies Scala Futures. I am using Bijection to convert between them.

P. Oscar Boykin

@johnynek

Shane Delmore

@ShaneDelmore

But I have to manually supply the types on the conversion. Is there a way to define a ScalaFuture => TwitterFuture that does not require me to manually supply the type of TwitterFuture?

I am currently doing this: twitter2ScalaFuture[List[Foo]].invert(temp)

P. Oscar Boykin

@johnynek

are you using the .as[ ] enrichment?

Shane Delmore

@ShaneDelmore

No I am not. Sounds like I should be.

P. Oscar Boykin

@johnynek

let me get a link

https://github.com/twitter/bijection/blob/develop/bijection-core/src/main/scala/com/twitter/bijection/Conversion.scala#L79

import Conversion.asMethod

then you can do:

scalaFut.as[TwitterFuture[List[Foo]]]

in the worst case

but, since there is type inference

you might be able to do:

scalaFut.as

and in some cases the type can be inferred

Shane Delmore

@ShaneDelmore

That looks cleaner. Experimenting now but it seems the type inference may not work for my case.

P. Oscar Boykin

@johnynek

only thing else I can say it type = ...

Sorry

Shane Delmore

@ShaneDelmore

Where do you import TwitterFuture from?

for the scalaFut.as[TwitterFuture[List[Foo]]]

P. Oscar Boykin

@johnynek

com.twitter.util.{Future => TwitterFuture}

Shane Delmore

@ShaneDelmore

Ahhh…neat.

Raviv Pavel

@raviv

Hi, Looking for an example of converting a scala future to twitter future.
The following fails, looking for ExecutionContext

     val sf:ScalaFuture[Option[String]] = ...
     val tf:TwitterFuture[Option[String]]= twitter2ScalaFuture[Option[String]].invert(sf)

Thanks :)

P. Oscar Boykin

@johnynek

@raviv sorry, just saw this. You need to import an Execution context with scala futures: http://blog.jessitron.com/2014/02/scala-global-executioncontext-makes.html

Benjamin

@bdparrish

Can anyone provide the code for a java implementation of SpecificAvroCodecs such that I can use a toBinary with a SpecificRecordBase object?

Injection<GenericRecord, byte[]> genericRecordInjection = GenericAvroCodecs.toBinary(schema);
byte[] bytes = genericRecordInjection.apply(type);

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