Hacker News: cvshepherd

World Day Against Cyber Censorship

cvshepherd — Tue, 12 Mar 2013 04:05:54 +0000

Comments URL: https://news.ycombinator.com/item?id=5360080

Points: 3

# Comments: 0

Google helps finance Berlin based startups (German)

cvshepherd — Tue, 13 Nov 2012 10:40:57 +0000

Article URL: http://www.welt.de/wirtschaft/webwelt/article110980919/Eine-Million-Google-finanziert-Berliner-Start-ups.html

Comments URL: https://news.ycombinator.com/item?id=4777327

Points: 3

# Comments: 0

New comment by cvshepherd in "Supersoldier ants created in the lab by reactivating ancestral genes"

cvshepherd — Sun, 08 Jan 2012 20:12:44 +0000

I don't see what I've supposedly missed. And my remark about the cat was just an example of things not necessarily being what they look like.

New comment by cvshepherd in "Supersoldier ants created in the lab by reactivating ancestral genes"

cvshepherd — Sun, 08 Jan 2012 19:30:58 +0000

See my comment on the other summary.

New comment by cvshepherd in "Supersoldier ants created in the lab by reactivating ancestral genes"

cvshepherd — Sun, 08 Jan 2012 18:31:07 +0000

"The treated larvae grew to become large headed and jawed ants resembling supersoldiers."

If you gave a normal cat growth hormones, it might resemble a tiger. That doesn't mean it is one. That was the basis of my summary. I don't want to ridicule the research, and agree that this could have beneficial applications.

New comment by cvshepherd in "Supersoldier ants created in the lab by reactivating ancestral genes"

cvshepherd — Sun, 08 Jan 2012 17:04:25 +0000

Summary: Treating ant larvae with growth hormones, produces big ants.

New comment by cvshepherd in "Rails master is now 4.0.0.beta; Ruby 1.8.7 support dropped"

cvshepherd — Fri, 23 Dec 2011 10:00:14 +0000

> Caching is suggested far too often and too frequently in the Rails world. The solution to "the default tools for template abstraction are too slow to use" is not "use a difficult-to-get-correct system with concerns that cut across the entire project."

I'm not selling caching as a silver bullet (and I'm not saying it's trivial to implement, either). It's just something a lot of people either don't use at all, or just get wrong. And surely, if something can be cached, it should be.

> As someone else mentioned, Rails is much slower than other frameworks. It does an order of magnitude less than 5000 req/s

With Metal endpoints, proper configuration and lot's of resources, this is very possible.

New comment by cvshepherd in "Rails master is now 4.0.0.beta; Ruby 1.8.7 support dropped"

cvshepherd — Fri, 23 Dec 2011 09:54:49 +0000

When you use Metal endpoints, as i mentioned in my comment, 6000 requests per second is actually very possible. Yes, you need a lot of resources, but I didn't suggest otherwise. And yes, on this hardware other frameworks will manage even more requests.

EDIT: My low budget netbook just gave me 327 req/s with an out of the box Rails config, and running the benchmarking tool on the same machine.

New comment by cvshepherd in "Rails master is now 4.0.0.beta; Ruby 1.8.7 support dropped"

cvshepherd — Thu, 22 Dec 2011 15:50:14 +0000

> For just one particular example, I have found rendering partials in Rails are such a point of poor performance that I have often found myself avoiding it.

A good caching plan obviously helps with these kinds of issues.

> There's this red herring (and a pet peeve) that making the framework 'less bloated' by dropping components or making them optional equals performance.

In the case of Controllers, inheriting from ActionController::Metal and not including unnecessary modules, speeds things up a lot.

In general Rails may be slow in comparison to other frameworks. But that doesn't mean it's too slow. I don't really care if my app only manages 5000 requests per second, versus framework x's 6000 or more on the same hardware.

New comment by cvshepherd in "The Problem with Implicit Scoping in CoffeeScript"

cvshepherd — Thu, 22 Dec 2011 14:25:40 +0000

> The simple solution is to either add a nonlocal keyword like Python has or to introduce a := parameter that works like = but explicitly overrides a higher level variable.

I disagree. The simple solution to this is to write tests.

New comment by cvshepherd in "Moving on from Rails"

cvshepherd — Wed, 30 Nov 2011 12:20:32 +0000

"From my experience, generating a good UI (V) takes orders of magnitude more than implementing M and C."

yeah, because picking the right font has always been way more of a task than domain modeling.. (yes, i know that ui / ux isn't a breeze, but this depiction is just insane.)