bjeanes

8 ms·

31.
by bjeanes 11y ago
I totally agree. Ridding yourself of nils via the Maybe monad offers incredible abstraction potential, but would feel out of place in Crystal's Rubyishness without deeper thought into bringing other monads into play too. Nonetheless, I
32.
by bjeanes 11y ago
Thanks for linking to those RFCs. The planned or in-progress work for Rust compilation speed is very exciting. I can't wait to reap the benefits!
33.
by bjeanes 11y ago
They both accomplish the same thing: no unexpected null. The exact mechanism was never the interesting part. Maybe being monadic does offer some other benefits but the killer advantage is the responsible handling of nil. Crystal doesn'
34.
by bjeanes 11y ago
I came across this a few months ago and ignored it for similar reasons: the homepage doesn't talk about the fact that nil is a type not a value (which is AWESOME, btw). It wasn't until a coworker encouraged me to dig into the docs
35.
by bjeanes 11y ago
I too would encourage people seeing the parent comment to definitely watch those videos. The Rich Hickey talk especially has shaped a lot of my thinking in the last few years.
36.
by bjeanes 12y ago
I have long held the same opinion as the parent comment and even attempted to build it myself a few times, but I hadn't seen qute, and I think I like that approach even better. Well, a hybrid; the paragraph currently being edited could
37.
by bjeanes 12y ago
The feature does or did exist, but hidden. The early versions of GitHub Enterprise (called GitHub FI) exposed this and it can be seen in action in some places (e.g.: https://github.com/ghc; look at the "mirrored from&q
38.
by bjeanes 12y ago
This reminds me of Waleed Aly's fantastic talk on Ethics & Technology in which he explored multiple ethical implications of self-driving cars. Unfortunately, I can't find a recording of his talk (which I saw at Above All Human
39.
by bjeanes 12y ago
Hrm... he deleted that tweet :/
40.
by bjeanes 12y ago
I assume you are talking about http://goodfil.ms/ ?
41.
by bjeanes 12y ago
Yes, but importantly, only with firmware 33 or higher. I have 32.0 :( AIUI, for security reasons YubiKeys are not firmware upgradeable.
42.
by bjeanes 12y ago
Additionally, if somebody removes the token, dumps a bunch of OTPs and then puts it back, as soon as you use the token once, it will invalidate all previous ones so their dump will be reasonably useless. I leave my key in my computer when
43.
by bjeanes 12y ago
> Isn't mutable variables the most obvious way to solve these problems? Yes, but the mutation can be entirely limited to the reference. The data structures do not have to be mutable. It's a trade-off, of course, because you can
44.
by bjeanes 12y ago
You don't have to mutate them. You can create a new persistent variant and just mutate the ref to point to the new one. Users of that "variable" store the ref instead of the value (well, actually, they get the choice of which
45.
by bjeanes 12y ago
> Structure-sharing of the persistent structures, for added efficiency/performance I think the structural sharing is the definition of persistent data structures, as distinct from immutable data structures in general.
46.
by bjeanes 12y ago
You can write to the file system, it's just not persistent across dyno restarts or shared across running dynos. Writing out for in-request work is fine.
47.
by bjeanes 12y ago
I'd never thought about this before in the context of Java. IIRC, Java can not have type-parameterized enums (i.e. generic enums), so a Maybe<T> isn't possible. I hope I'm wrong — it's been a while since I did much
48.
by bjeanes 12y ago
I loved reading this the other day. Thanks again for writing it. I'll be coming to this post often, I think.
49.
by bjeanes 12y ago
Salesforce's Apex language is case insensitive. It leads to a a lot of confusion, frustration, and distress when different programmers have their personal preferred style of referring to a class or var or when the lazy ones just write
50.
by bjeanes 12y ago
And just like that your wallets aren't anonymous anymore or at least are tied to each other beyond transactions between them. Seriously, though, this is kinda neat.
51.
by bjeanes 12y ago
> Then, tap the "y" key to jump to the last commit found for that region. That's not actually what happens. Pressing "y" resolves the current reference (master, some tag, whatever). It has nothing to do with what
52.
by bjeanes 12y ago
For reference, the Clojure rewrite is https://github.com/zk/clojuredocs and is hosted at http://clojuredocs.herokuapp.com/
53.
by bjeanes 12y ago
Haha I saw this happen today, actually. Painful.
54.
by bjeanes 12y ago
https://help.github.com/articles/setting-up-a-custom-domain-...
55.
by bjeanes 12y ago
Exactly what I was going to say. This seems like a good design decision, especially because the typealias hack offers a work around if you really need to.
56.
by bjeanes 12y ago
> The top 2 money recipients are 2 feminists which have never seen a line of code in their lives (one of them doesn't even have a github account!). That is both irrelevant and entirely incorrect. Both have seen and worked with code
57.
by bjeanes 12y ago
> The main problem with the argument is that our body does a great job of fixing errors - so why does that process suddenly seem to stop? Why not just keep on fixing errors. If you can fix errors for 40 years why stop there? Why does the
58.
by bjeanes 12y ago
I previously just switched my SIM back into someone's iPhone and used toggled iMessage on and back off again before switching the SIM back again.
59.
by bjeanes 12y ago
> Aside from the 'wow, intelligence', why is it that those of us with spines lack any 'computing power' in things like our arms? Are there any common sense reasons? I wonder if the fact that we can't grow them ba
60.
by bjeanes 12y ago
That does suck, but there is `reattach-to-user-namespace` in homebrew which keeps the tmux server from doing that

More ›