** UnhandledExceptionEventHandler :: OFFICIAL LC / CHATTER THREAD ** - Page 245 - Computer Technical Help

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10-15-2012 , 09:28 AM

#6101

daveT

S.A.G.E. Master

Join Date: Jun 2005 Posts: 23,955

Wow. I guess I'm not going to Heroku for anything. There's a known bug that's been dancing around for a while and, of course, I get kicked with it. After much searching, resetting the ssh key, dumping the entire repo, etc, I attempt to send them an email, which instead the site says to see the help section.

Seriously? As they show off their $6,000+ products, they have major bugs and zero customer support?

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10-15-2012 , 09:32 AM

#6102

Gullanian

Carpal \'Tunnel

Join Date: Dec 2006 Posts: 14,014

Santander store credit card numbers in cookies sometimes:
http://seclists.org/fulldisclosure/2012/Oct/101

Banks make me sick, just unbelievable. No words can give justice to the incompetence they've shown here.

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10-15-2012 , 12:31 PM

#6103

gaming_mouse

Carpal \'Tunnel

Join Date: Oct 2004 Posts: 13,786

Quote:

Originally Posted by daveT

they are also prohibitively expensive imo

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10-15-2012 , 12:36 PM

#6104

gaming_mouse

Carpal \'Tunnel

Join Date: Oct 2004 Posts: 13,786

stupid server question:

so for typical ruby or php apps, you have your application server (like unicorn or passenger for ruby) and then you mix and match that with your web server (like nginx or apache). ok i get that part.

now separately lots of people use node as their web server. but from what i've seen, usually people using node write their application in javascript as well. how come you never hear about a ruby app served with passenge and using a node web server? am i misunderstanding something basic about the technology, or is that possible?

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10-15-2012 , 12:47 PM

#6105

jjshabado

Carpal Tunnel

Join Date: Jul 2006 Posts: 22,732

Quote:

Originally Posted by gaming_mouse

they are also prohibitively expensive imo

Disagree. But I don't want to have the argument.

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10-15-2012 , 12:53 PM

#6106

gaming_mouse

Carpal \'Tunnel

Join Date: Oct 2004 Posts: 13,786

Quote:

Originally Posted by jjshabado

Disagree. But I don't want to have the argument.

well maybe i'm misunderstanding, but i actually emailed their customer service a while back about this, and the markup was like double or triple of what you'd pay for the same memory/power/etc if you were running your own vps. as a hater of sysadmin tasks, i am all for paying for convenience, but that is just too much. that's enough to motivate me to do it myself.

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10-15-2012 , 01:02 PM

#6107

jjshabado

Carpal Tunnel

Join Date: Jul 2006 Posts: 22,732

It's super dependent on what you're doing. If you're running a mission-critical app for your business I don't accept that it's double or triple the cost of doing it yourself (I'd suggest its significantly cheaper when you take into account all the things you need to do yourself). If you're hosting a private play-app then it probably is massively overpriced.

And of course there's all sorts of middle ground...

Edit: This is why I don't want to have the argument. There are so many use cases (and variability in how you value your own time) that it doesn't really make sense to say that its prohibitively expensive or a really good deal.

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10-15-2012 , 01:09 PM

#6108

gaming_mouse

Carpal \'Tunnel

Join Date: Oct 2004 Posts: 13,786

Quote:

Originally Posted by jjshabado

yeah i'm sure it's great for some stuff, i know they are really solid company with great talent.

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10-15-2012 , 01:24 PM

#6109

MrWooster

veteran

Join Date: Mar 2007 Posts: 2,984

Anyone use AppFog? Been trying to reduce the cost of using AWS for my personal web space. Its only $20 a month... but it adds up over time. Was never a fan of the PAAS services when they first came out but it looks like they have come a long way over the past year.

The biggest hurdle for me was that I need to use mongodb... all the PAAS services I found become super expensive if you a) want to host more than 1 app b) want a db and c) use your own domain (fwiw, heroku would have ended up costing me over $100 a month).

I just came across AppFog (i have used nodester in the past and it looks like they have been taken over by AppFog) and their 'free' offering is pretty sick on paper.

* Unlimited apps, which can use up to 2GB of RAM (which is pretty huge for NodeJS apps)
* Custom domains (although I have not set this up yet)
* Up to 10 free 'services', mongodb included. I guess there is a limit on the size of the DB, but not planning to use more than 100MB anyway

The only slight dissapointment is that SSL is not free.

Anyone else been using AppFog? Would be interested to hear if there are any downsides to their service?

Edit: Another big advantage with AppFog is you can choose where your app is hosted

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10-15-2012 , 01:38 PM

#6110

jjshabado

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Join Date: Jul 2006 Posts: 22,732

Never tried AppFog - but if you care mostly about Mongo you can also try MongoLab. We're using their paid service but its been really good so far.

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10-15-2012 , 01:44 PM

#6111

kerowo

lolcat

Join Date: Nov 2005 Posts: 37,183

And it has web scale

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10-15-2012 , 01:53 PM

#6112

gaming_mouse

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Join Date: Oct 2004 Posts: 13,786

Quote:

Originally Posted by MrWooster

How do they afford to give away so much RAM? A dedicated server with that much RAM would cost hundreds per month. Also, they say they don't offer persistent file storage. Does that mean you have to host your database elsewhere?

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10-15-2012 , 02:58 PM

#6113

MrWooster

veteran

Join Date: Mar 2007 Posts: 2,984

Quote:

Originally Posted by gaming_mouse

I think this means files written by your app... I presume database written files are persistent.

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10-15-2012 , 03:01 PM

#6114

MrWooster

veteran

Join Date: Mar 2007 Posts: 2,984

Quote:

Originally Posted by jjshabado

Never tried AppFog - but if you care mostly about Mongo you can also try MongoLab. We're using their paid service but its been really good so far.

Thanks for the tip, will give them a go.

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10-15-2012 , 03:22 PM

#6115

sylar

Ivan Drago's homeslice

Join Date: Dec 2006 Posts: 20,307

been awhile since i did a technical phone screen as the interviewee.

q1: write a function that produces a multiplication table from 1 to 12.
q2: write a function that consumes the table you just produced and prints in out.

notsureifsrs.gif

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10-15-2012 , 03:27 PM

#6116

jjshabado

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I usually start with a really easy programming question too. For the 10 minutes it takes to do you eliminate a decent percentage of people.

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10-15-2012 , 03:31 PM

#6117

clowntable

Carpal \'Tunnel

Join Date: Jun 2006 Posts: 45,557

FizzBuzz seems hard compared to that lol

What's a multiplication table...I mean what's the upper boundary? I assume it's from 1x to 10x?
Oh noes...both in one

Code:

table = {}
very_high_boundary = 13
for number in range(1,very_high_boundary):
  table[number] = [number*x for x in range(1,very_high_boundary)]
print(table)

Guess you can always take those as a parameter

Code:

def multiplication_table(from_one_to_x, max_multiplier):
  table = {}
  for number in range(1,from_one_to_x+1):
    table[number] = [number*x for x in range(1,max_multiplier+1)]
  print(table)

The tough part is probably writing the low level code that sends this over a phone line ;P

Last edited by clowntable; 10-15-2012 at 03:50 PM.

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10-15-2012 , 03:40 PM

#6118

jjshabado

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Join Date: Jul 2006 Posts: 22,732

It's from 1-12. See, it just weeded you out for not being able to read.

Last edited by jjshabado; 10-15-2012 at 03:40 PM. Reason: I'm purposefully being insulting and condescending.

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10-15-2012 , 03:48 PM

#6119

clowntable

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Join Date: Jun 2006 Posts: 45,557

Oh I guess it's an NxN matrix. Meh I haven't worked with bounded multiplication in a while :P

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10-15-2012 , 04:17 PM

#6120

sylar

Ivan Drago's homeslice

Join Date: Dec 2006 Posts: 20,307

Quote:

Originally Posted by jjshabado

I usually start with a really easy programming question too. For the 10 minutes it takes to do you eliminate a decent percentage of people.

those were not the easy questions to start out with. those were ALL the programming questions.

i guess there's a chance i bombed it.

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10-15-2012 , 04:18 PM

#6121

jjshabado

Carpal Tunnel

Join Date: Jul 2006 Posts: 22,732

Are they at least going to do a second interview? I do one harder programming question (which still isn't that hard) on the phone but other than that I'd rather do the real programming questions in person if possible. Plus I ask a few other technical non-programming questions on the phone.

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10-15-2012 , 04:21 PM

#6122

gaming_mouse

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Join Date: Oct 2004 Posts: 13,786

Quote:

Originally Posted by sylar

how do you write something on the phone?

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10-15-2012 , 04:22 PM

#6123

sylar

Ivan Drago's homeslice

Join Date: Dec 2006 Posts: 20,307

Quote:

Originally Posted by gaming_mouse

how do you write something on the phone?

they watch me type on collabedit/ide1 or something similar.

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10-15-2012 , 04:33 PM

#6124

jjshabado

Carpal Tunnel

Join Date: Jul 2006 Posts: 22,732

I've had some really good experience with collabedit.

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10-15-2012 , 08:26 PM

#6125

sdturner02

old hand

Join Date: Jul 2010 Posts: 1,230

A couple of questions about HTML5 video:

For the sake of simplicity and CPU cycles, I'd like to avoid encoding (transcoding?) uploaded videos into multiple formats (e.g. OGG, mp4, WebM) if possible.

Taking the one format approach, is there a format that is more advantageous than the others?

H.264/mp4 is patent encumbered, which is a concern. I really want to avoid paying licensing fees or getting hit with an infringement claim.

Also, using a JS plugin for HTML5 video to support different browsers seems to be the way to go. I think I've narrowed it down to MediaElement.js and VideoJS.

Anyone have any experience with those? Is one better than the other?