Oct meetup at Zalora

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zan

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Oct 7, 2013, 11:02:39 PM10/7/13
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Zalora has kindly offered to host the Oct meetup. There will be pizza for 20.

Thursday Oct 17th, 8pm

Address is 180 Clemenceau, Haw Par Centre, 6th floor. Come in either side, take the lift up, entrance is opposite the lift (pretty obvious). If nobody is around look for the Tokyo conference room, it might be standing room only if there's more than 15 people! Chris has kindly volunteered to give a talk on a subject as yet undetermined. Other speakers are welcomed!

Lu Zhuo Ming

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Oct 8, 2013, 12:14:09 AM10/8/13
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Thanks See you all there. Is Chris giving a talk about lens?

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Yang Ye

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Oct 8, 2013, 12:19:31 PM10/8/13
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I recently started writing Haskell as a full-time. I could do a short talk on my Haskell experience on practical application building, I.e. the mutable stuffs in Haskell, IORef, MVar, and State monad, the organization, etc. The imperative programmers could raise their concerns, I and other FP coders could contribute solutions. Beginner friendly!
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Regards,
Yang Ye

Hao Liu

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Oct 8, 2013, 7:23:07 PM10/8/13
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It should be a great to hear industrial Haskell topic.
By the way, besides Standard Charter, any other companies use Haskell here in SG?

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zan

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Oct 8, 2013, 10:11:28 PM10/8/13
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It'd be good to put up a list of companies based in Singapore that uses FP in production. It certainly helps when people are pushing for adoption when you can tell your boss "Hey, <x> company is also using <FP> language."


On Wednesday, October 9, 2013 7:23:07 AM UTC+8, Leo wrote:
It should be a great to hear industrial Haskell topic.
By the way, besides Standard Charter, any other companies use Haskell here in SG?

Sent from my iPhone

On 9 Oct, 2013, at 12:19 am, Yang Ye <leaf...@gmail.com> wrote:

I recently started writing Haskell as a full-time. I could do a short talk on my Haskell experience on practical application building, I.e. the mutable stuffs in Haskell, IORef, MVar, and State monad, the organization, etc. The imperative programmers could raise their concerns, I and other FP coders could contribute solutions. Beginner friendly!

On Tuesday, October 8, 2013, Lu Zhuo Ming wrote:

Thanks See you all there. Is Chris giving a talk about lens?

On Oct 8, 2013 11:02 AM, "zan" <lian...@gmail.com> wrote:
Zalora has kindly offered to host the Oct meetup. There will be pizza for 20.

Thursday Oct 17th, 8pm

Address is 180 Clemenceau, Haw Par Centre, 6th floor. Come in either side, take the lift up, entrance is opposite the lift (pretty obvious). If nobody is around look for the Tokyo conference room, it might be standing room only if there's more than 15 people! Chris has kindly volunteered to give a talk on a subject as yet undetermined. Other speakers are welcomed!

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Yang Ye

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Raymond Tay

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Oct 8, 2013, 10:21:44 PM10/8/13
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I definitely like to help the community be more aware of the kinds of FPLs in use today and so you guys can 
alert people you know that HP Labs Singapore is using Scala in building a cutting edge Big Data Analytics Platform
here and we are looking to hire talented engineers to add to our own right now as we continue the build out.

I also did a introductory talk on Functional Programming using Scala at the recent GeekCamp.SG talks and you 

If you know anyone whose interested, i definitely like to speak with them and my email is raymond...@gmail.com 


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Low-Wee Heng

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Oct 8, 2013, 11:31:41 PM10/8/13
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Awesome. Will be attending.

Low-Wee Heng

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Oct 9, 2013, 12:00:38 PM10/9/13
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I think I'm quite a beginner to Haskell. Some time ago Zalora posted the task to scrape their website for products information as a job application. I have an interest in Haskell & FP so I decided to give it a try (even after knowing they found a guy a few days later).

I'm taking my time with it, it is not complete. The idea is rather simple and naive (and painfully slow), but at least it crawls, and it works. I'm just glad I built something concrete in Haskell.
I have it here, https://github.com/lwheng/zalora_scraper

If time permits and if people are interested in hearing a beginner share his experience, I'm willing to get criticised on my implementation.


On Tuesday, 8 October 2013 11:02:39 UTC+8, zan wrote:

Benjamin Tan

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Oct 9, 2013, 8:48:02 PM10/9/13
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I'll be there too!

Lu Zhuo Ming

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Oct 11, 2013, 3:51:08 AM10/11/13
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@ Low-Wee,
Thanks for the sharing.
It is really exciting to see Haskell in live production again! =) 

Just one question: Is there a reason of not using ByteString or Text instead of String? 
I guess your current implementation might not be very memory efficient.

Regards,
Kenny


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Yang Ye

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Oct 11, 2013, 12:50:56 PM10/11/13
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It's a common oversight of not using the "right library". And there are quite a number of "hacks" to optimise a Haskell code, i.e. Bang Pattern, use Int instead of Integer. We all learn along the way, from pains with joy.

Regards,
Yang Ye

Low-Wee Heng

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Oct 11, 2013, 11:56:45 PM10/11/13
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@YangYe and Kenny

Thanks for the advices! Yes I have heard of ByteString and how it is more efficient.

My intention was to get it to work first before I try optimizing it. So yes, I will definitely switch to using the better data types soon

Right now I'm still reading up on how I can visit links concurrently.

Hao Liu

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Oct 12, 2013, 3:32:04 AM10/12/13
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Parallel and Concurrent Programming in Haskell provide good samples for this.

Sent from my iPhone

Lu Zhuo Ming

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Oct 12, 2013, 4:25:08 AM10/12/13
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If someone wants to hear a short talk on make your Haskell program run faster (through a new-bie style like mine, without using C pointer stuff.   =) ).
I have always one slide deck lining up some where.

Regards,
Kenny

Yang Ye

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Oct 12, 2013, 4:35:21 AM10/12/13
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+1. I wonder we could do a crossfire.

Regards,
Yang Ye

Andrew Stoeckley

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Oct 14, 2013, 4:55:26 AM10/14/13
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I'm planning to attend as well, sounds interesting. I'm very new to functional programming in general and am very curious about Haskell and Lisp.

Lu Zhuo Ming

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Oct 16, 2013, 9:33:59 AM10/16/13
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Sorry guys, I think I have to miss the meetup tomorrow evening cos I have not fully recovered from the flu yet. It's better that I stay away from you folks. =)

I am sure Zan and Yang Ye will be there to host the 'party'.

Enjoy!

Regards,
Kenny


On Mon, Oct 14, 2013 at 4:55 PM, Andrew Stoeckley <andr...@gmail.com> wrote:
I'm planning to attend as well, sounds interesting. I'm very new to functional programming in general and am very curious about Haskell and Lisp.

Nazeer

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Oct 16, 2013, 9:34:26 AM10/16/13
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I am looking forward to attend as Haskell talk.


On Mon, Oct 14, 2013 at 4:55 PM, Andrew Stoeckley <andr...@gmail.com> wrote:
I'm planning to attend as well, sounds interesting. I'm very new to functional programming in general and am very curious about Haskell and Lisp.

Yang Ye

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Oct 16, 2013, 9:46:56 AM10/16/13
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Hi, Kenny

Take care. Hope you will recover soon!

Regards,
Yang Ye
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Regards,
Yang Ye

Nazeer

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Oct 17, 2013, 5:14:04 AM10/17/13
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May I know the today's topic?

Yang Ye

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Oct 17, 2013, 12:26:47 PM10/17/13
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Hi,

I posted my code and slides at 

Benchmark are updated.

foldl': -O: 738.3003 us, -O3: 499.2094 us
State Monad: -O 24.28070 ns; -O3: 26.12395 ns

us = microsecond, ns = nanosecond, ms = millisecond
1000 ns = 1 us, 1000 us = 1 ms


Regards,
Yang Ye


On Wed, Oct 16, 2013 at 9:46 PM, Yang Ye <leaf...@gmail.com> wrote:

Lu Zhuo Ming

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Oct 17, 2013, 8:00:36 PM10/17/13
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Well done Yang Ye! Thanks for sharing.
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