September 2011 - Pharo-users

Re: [Pharo-users] Is Smalltalk superior to any other technologly for the development of web and business application?

by Marcus Denker

On Sep 23, 2011, at 10:11 PM, Miguel Moquillon wrote: > Just a link to an interesting post: > http://futuremint.com/smalltalk-and-seaside-versus-ruby-and-rails-i > > Enjoy reading ;-) > The only problem is that the post is already old and he is now back using Ruby... http://futuremint.com/once-again-enjoying-ruby (and even that post is old) Marcus -- Marcus Denker -- http://marcusdenker.de

Sept. 23, 2011

Re: [Pharo-users] Is Smalltalk superior to any other technologly for the development of web and business application?

by StÃ©phane Ducasse

Thanks miguel We need more of them :) And "Hi dave I can tell you that your words are really great to hear. It is a challenge for us to continue to enhance Pharo while at the same time making sure that people like you can make a living using it. We are really concerned by this tension: getting a better system, moving forward and at the same time making sure that it is 100% productive. Now we are working hard also to get better tools and a lot of enhancements. Our of our goals around pharo is really to create an ecosystem where people can build good software. So thanks because you give us energy to continue. Stef" Stef On Sep 23, 2011, at 10:10 PM, Miguel Moquillon wrote: > Just a link to an interesting post: > http://futuremint.com/smalltalk-and-seaside-versus-ruby-and-rails-i > > Enjoy reading ;-) >

Sept. 23, 2011

Is Smalltalk superior to any other technologly for the development of web and business application?

by Miguel Moquillon

Just a link to an interesting post: http://futuremint.com/smalltalk-and-seaside-versus-ruby-and-rails-i Enjoy reading ;-)

Sept. 23, 2011

Re: [Pharo-users] NUmber rounding

by David T. Lewis

On Fri, Sep 23, 2011 at 07:18:50AM -0700, Jeff Gray wrote: > Thanks Sven. > Works a treat. > Without the asFloat the printOn: displays 306.66s2 (that is, it appends the > scale). > The asFloat message then sorts that out and I get just what I need. Just a caution in case you are not aware - don't use floating point for financial calculations. A quick google search will give you the details, but it is essentially *never* ok to do financial calculations in floating point math. ScaledDecimal should be fine though. Dave

Sept. 23, 2011

UITheme howto get patchworkUIThemeColorFor: the background of a PluggableTextMorph?

by Helene Bilbo

Hi, iâm working on a UITheme and canât figure out, how to change the background of a PluggableTextMorph (UITheme>>textEditorNormalFillStyleFor:) and some other elements according to the patchworkUIThemeColor of the window they are part of. Is there any theme that does this or anybody has a hint? The effect would be, that all background would be colored, like on very old morphic themes: http://www.sra.co.jp/public/doc/GSletter/vol.35/squeak/squeak-5A.jpg but of course much nicer, perhaps looking like this: http://instinctivecode.com/images/portfolio/stickynotes.png best regards, helene. -- View this message in context: http://forum.world.st/UITheme-howto-get-patchworkUIThemeColorFor-the-backgr… Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

Sept. 23, 2011

Re: [Pharo-users] NUmber rounding

by Jeff Gray

Thanks Sven. Works a treat. Without the asFloat the printOn: displays 306.66s2 (that is, it appends the scale). The asFloat message then sorts that out and I get just what I need. -- View this message in context: http://forum.world.st/NUmber-rounding-tp3835875p3836985.html Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

Sept. 23, 2011

Re: [Pharo-users] NUmber rounding

by Sven Van Caekenberghe

Jeff, On 23 Sep 2011, at 08:17, Jeff Gray wrote: > I am reading a list of numbers from a csv file. The file represents financial > transactions so all the numbers are currency and they have zero, one or 2 > decimal places > Eg 1000 240.46 100.5 > > I use Number readFrom: to get from text to number. > > When I add all the amounts the answer comes out like: 306.65999999999985 > > I want to see 306.66 > > I had alook at Stef's chapter talking aboy 2s compliment and I'm guessing > that this is something like that but I read most of it as: meow meow meow > moew. Too hard :-) Can someone just tell me which class/method I need? > Thanks. > I know this might come across as lazy but my background is as an application > developer and I'm just not that interested in the low level system guts. And > I'm slightly lazy..... You could try reading them as ScaledDecimals and compute with those, these are supposed to be exact as far as I understand it. (('100 240.46 100.51' findTokens: ' ') collect: [ :each | ScaledDecimal readFrom: each ]) inject: 0 into: [ :next :sum | next + sum ] If and when necessary, you can convert to a float using #asFloat. HTH, Sven

Sept. 23, 2011

NUmber rounding

by Jeff Gray

I am reading a list of numbers from a csv file. The file represents financial transactions so all the numbers are currency and they have zero, one or 2 decimal places Eg 1000 240.46 100.5 I use Number readFrom: to get from text to number. When I add all the amounts the answer comes out like: 306.65999999999985 I want to see 306.66 I had alook at Stef's chapter talking aboy 2s compliment and I'm guessing that this is something like that but I read most of it as: meow meow meow moew. Too hard :-) Can someone just tell me which class/method I need? Thanks. I know this might come across as lazy but my background is as an application developer and I'm just not that interested in the low level system guts. And I'm slightly lazy..... -- View this message in context: http://forum.world.st/NUmber-rounding-tp3835875p3835875.html Sent from the Pharo Smalltalk Users mailing list archive at Nabble.com.

Sept. 23, 2011

Re: [Pharo-users] TestRunner anomaly

by Larry White

I think I've tracked it down to contention for a mutex. That would explain why they're always failing in pairs. Do the tests run in parallel in TestRunner? On Thu, Sep 22, 2011 at 11:48 AM, StÃ©phane Ducasse < stephane.ducasse(a)inria.fr> wrote: > do you have dependencies between your tests? > Do you use tearDown to clean your resources? > Stef > > On Sep 22, 2011, at 5:35 PM, Larry White wrote: > > > When I run my tests in TestRunner by clicking Run Selected, they all > pass. When I run them by clicking Run Coverage, a couple fail. > > > > Does anyone know why that might be? > > > > thanks. > > >

Sept. 22, 2011

Re: [Pharo-users] TestRunner anomaly

by Lukas Renggli

"Run Coverage" is broken on Cog. Lukas On 22 September 2011 17:48, StÃ©phane Ducasse <stephane.ducasse(a)inria.fr> wrote: > do you have dependencies between your tests? > Do you use tearDown to clean your resources? > Stef > > On Sep 22, 2011, at 5:35 PM, Larry White wrote: > >> When I run my tests in TestRunner by clicking Run Selected, they all pass. Â When I run them by clicking Run Coverage, a couple fail. >> >> Does anyone know why that might be? >> >> thanks. > > > -- Lukas Renggli www.lukas-renggli.ch

Sept. 22, 2011