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gadgets

We Love Our Mobile Devices

October 13, 2011 7:21:22.146

We love them so much that they now outnumber us:

That's only going to rise - lots of people will end up with a phone, a tablet, and maybe a separate e-reader. This has implications for anyone who thinks we can "easily" reduce power usage as well...

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posted by James Robertson

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js4u

JS 4U 99: The offset() Function in JQuery

October 13, 2011 10:10:05.664

Javascript 4 U

Today's Javascript 4 You. Today we look at the offset() fiunction in JQuery. If you have trouble viewing it here in the browser, you can also navigate directly to YouTube.

Join the Facebook Group to discuss the tutorials. You can view the archives here.

To watch now, click on the image below:

offset()

If you have trouble viewing that directly, you can click here to download the video directly. If you need the video in a Windows Media format, then download that here.

You can also watch it on YouTube:

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posted by James Robertson

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smalltalk

STIC Conference 2012

October 13, 2011 19:12:42.970

The STIC conference is shaping up for next March:

STIC is a forum where Smalltalk professionals, researchers, and enthusiasts can meet and share ideas and experiences. We are currently accepting proposals for talks involving Smalltalk technology and other areas of innovation in the software industry. We're looking forward to an excellent conference, and need your participation to maintain the high technical level of the conference!

The conference will take place in Biloxi, Mississippi, March 19 13 21, 2012.

Presentations will have 45 minutes time slots including discussion. They may be in the form of

  • Technical Presentations
  • Experience Reports
  • Technology Demonstrations
  • Panel Discussions
  • Workshops

Looks like you can submit proposals to STS_Speakers@stic.st

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posted by James Robertson

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smalltalk

Fuel 1.7 Released

October 14, 2011 10:28:02.031

From the mailing list announcement:

We have released the new version 1.7 of Fuel, a binary serialization framework for Pharo that provides extremely fast deserialization. More information on our home page. Again, I thank ESUG for sponsoring me through the SummerTalk program.

You can download this version in Pharo 1.2.1 or 1.3 with:


Gofer new
        squeaksource: 'Fuel';
        package: 'ConfigurationOfFuel';
        load.
((Smalltalk at: #ConfigurationOfFuel) project version: '1.7') load.

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posted by James Robertson

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st4u

ST 4U 145: Cross Platform with Pharo

October 14, 2011 15:40:27.446

Today's Smalltalk 4 You looks at the cross platform nature of Pharo (the same things apply to Squeak and VisualWorks - and VA Smalltalk supports source portability). If you have trouble viewing it here in the browser, you can also navigate directly to YouTube. To watch now, click on the image below:

Cross Platform

If you have trouble viewing that directly, you can click here to download the video directly. If you need the video in a Windows Media format, then download that here.

You can also watch it on YouTube:

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posted by James Robertson

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smalltalk

JQuery Mobile for Seaside

October 14, 2011 22:10:37.000

Spotted in the Seaside mailing list, by Nick Ager:

I've just published an initial integration of JQuery Mobile [1] with Seaside. You can try it out at: http://jquerymobile.seasidehosting.st

It's nearly complete - the outstanding work is to integrate JQuery scripting support - though it's certainly usable in it's current form. Feedback is welcome.

posted by James Robertson

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humor

User Expectations

October 15, 2011 13:41:29.797

As the current generation grows up, it should be kind of amazing to watch the expectations they'll have about user experience:

posted by James Robertson

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podcast

IM 50: Organizing ESUG 2011

October 16, 2011 2:45:55.215

Welcome to episode 50 of Independent Misinterpretations - a Smalltalk and dynamic language oriented podcast with James Robertson, Michael Lucas-Smith, and David Buck.

This week James talks to Niall Ross, a Cincom Smalltalk engineer who was the local representative for this year's (2011) ESUG conference in Edinburgh, Scotland. Niall got involved in just about every aspect of the conference, and that's what the conversation was about.

You can subscribe to the podcast in iTunes (or any other podcatching software) using this feed directly or in iTunes with this one.

To listen now, you can either download the mp3 edition, or the AAC edition. The AAC edition comes with chapter markers. You can subscribe to either edition of the podcast directly in iTunes; just search for Smalltalk and look in the Podcast results. You can subscribe to the mp3 edition directly using this feed, or the AAC edition using this feed using any podcatching software. You can also download the podcast in ogg format.

If you like the music we use, please visit Josh Woodward's site. We use the song Troublemaker for our intro/outro music. I'm sure he'd appreciate your support!

If you have feedback, send it to jarober@gmail.com - or visit us on Facebook - you can subscribe in iTunes using this iTunes enabled feed.. If you enjoy the podcast, pass the word - we would love to have more people hear about Smalltalk!

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posted by James Robertson

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podcastAAC

IM 50: Organizing ESUG 2011 (AAC)

October 16, 2011 2:46:41.245

Welcome to episode 50 of Independent Misinterpretations - a Smalltalk and dynamic language oriented podcast with James Robertson, Michael Lucas-Smith, and David Buck.

This week James talks to Niall Ross, a Cincom Smalltalk engineer who was the local representative for this year's (2011) ESUG conference in Edinburgh, Scotland. Niall got involved in just about every aspect of the conference, and that's what the conversation was about.

You can subscribe to the podcast in iTunes (or any other podcatching software) using this feed directly or in iTunes with this one.

To listen now, you can either download the mp3 edition, or the AAC edition. The AAC edition comes with chapter markers. You can subscribe to either edition of the podcast directly in iTunes; just search for Smalltalk and look in the Podcast results. You can subscribe to the mp3 edition directly using this feed, or the AAC edition using this feed using any podcatching software. You can also download the podcast in ogg format.

If you like the music we use, please visit Josh Woodward's site. We use the song Troublemaker for our intro/outro music. I'm sure he'd appreciate your support!

If you have feedback, send it to jarober@gmail.com - or visit us on Facebook - you can subscribe in iTunes using this iTunes enabled feed.. If you enjoy the podcast, pass the word - we would love to have more people hear about Smalltalk!

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posted by James Robertson

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st4u

ST 4U 146: Deleting from a Table using VA Smalltalk

October 17, 2011 8:21:56.897

Today's Smalltalk 4 You looks at deleting rows from a database using VA Smalltalk. We'll look at the "object" level interface to that today, and get to general use of SQL in a future screencast. If you have trouble viewing it here in the browser, you can also navigate directly to YouTube. To watch now, click on the image below:

Delete.

If you have trouble viewing that directly, you can click here to download the video directly. If you need the video in a Windows Media format, then download that here.

You can also watch it on YouTube:


Today we'll look at deleting data from a database using VA Smalltalk - to see how to connect, please go back to this tutorial, as we are building on it here. You can do this sort of thing directly via SQL, and we'll be getting to that in another screencast. Today we'll be looking at the "object" interface for this.

Once you have a connection to your database set up (with a user who has permissions to make changes), you can delete data pretty easily. First, query the data out of the database:


"delete a row"
table := connection openTableNamed: 'PEOPLE'.
querySpec := (AbtQuerySpec new)
	statement: 'SELECT * from PEOPLE where PEOPLE.ZIPCODE = 12345';
	hostVarsShape: (nil).
rowToDelete := (connection resultTableFromQuerySpec: querySpec) first.
table deleteRow: rowToDelete.

Next, commit the work:

"commit it" connection commitUnitOfWork

Now, before we executed the delet, here's what we had from the query:

queried data

And here's what we had after the commit:

queried data

That pretty much wraps it up for today - we'll look at some more examples next time.

Need more help? There's a screencast for other topics like this which you may want to watch. Questions? Try the "Chat with James" Google gadget over in the sidebar.

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posted by James Robertson

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travel

Sometimes the Journey Stinks

October 18, 2011 3:59:23.111

When you travel as much as I do, you're bound to hit bad weather every so often - and tonight I hit the jackpot. A line of storms diverted us to Houston for fuel, and then a second line kept us circling DFW for a bit. Then I had to wait in a long line at Avis - I hadn't updated my card with them, so even though I was on the "Preferred" board, I had to go talk to them.

One of those days....

posted by James Robertson

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js4u

JS 4U 100: The offsetParent() Function in JQuery

October 18, 2011 9:22:37.829

Javascript 4 U

Today's Javascript 4 You. Today we look at the offsetParent() function in JQuery. If you have trouble viewing it here in the browser, you can also navigate directly to YouTube.

Join the Facebook Group to discuss the tutorials. You can view the archives here.

To watch now, click on the image below:

offsetParent

If you have trouble viewing that directly, you can click here to download the video directly. If you need the video in a Windows Media format, then download that here.

You can also watch it on YouTube:

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posted by James Robertson

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smalltalk

Cog VM Updates

October 18, 2011 15:17:41.000

Eliot is still making progress on Cog; he's pushed out another update.

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posted by James Robertson

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smalltalk

Cog on Android

October 18, 2011 15:19:01.000

Speaking of Cog, there's been progress on the Android front as well.

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posted by James Robertson

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st4u

ST 4U 147: Using SQL Directly with VA Smalltalk

October 19, 2011 8:54:10.736

Today's Smalltalk 4 You looks at direct SQL access from VA Smalltalk. It's pretty simple, so long as you remember that the API differs when you use select (as opposed to any other SQL operator). If you have trouble viewing it here in the browser, you can also navigate directly to YouTube. To watch now, click on the image below:

SQL Access.

If you have trouble viewing that directly, you can click here to download the video directly. If you need the video in a Windows Media format, then download that here.

You can also watch it on YouTube:


Today we'll look at accessing a relational database using direct SQL statements in VA Smalltalk - to see how to connect, please go back to this tutorial, as we are building on it here. You'll want to take a look at class AbtQuerySpec if you intend to work at this level with your database accessing. The main thing to know is this: if you are querying (using select), then you use #resultTableFromQuerySpec: If you are using any other kind of SQL statement, use #executeQuerySpec: instead. The way you utilize this is pretty simple. To query, use the following kind of code:


"using AbtQuerySpec"
resultCollection := OrderedCollection new.
querySpec := AbtQuerySpec new.
querySpec statement: 'select * from people'.
result := connection resultTableFromQuerySpec: querySpec.
result do: [:eachRow | resultCollection add: (eachRow)].
^resultCollection.

It will look the same with a where clause:


"with a where clause"
resultCollection := OrderedCollection new.
querySpec := AbtQuerySpec new.
querySpec statement: 'select * from people where zipcode = 12345'.
result := connection resultTableFromQuerySpec: querySpec.
result do: [:eachRow | resultCollection add: (eachRow)].
^resultCollection first asDictionary

To use any other SQL statement:


"insert with a query spec"
querySpec := AbtQuerySpec new.
querySpec statement: 'insert into people values (''Fred Flintstone'', ''Rubble Way'', ''Old Town'', ''PH'', 23456, ''456-7890-1234'')'.
connection executeQuerySpec: querySpec.

"commit it"
connection commitUnitOfWork

"delete with a query spec"
querySpec := AbtQuerySpec new.
querySpec statement: 'delete from people where zipcode = 23456'.
connection executeQuerySpec: querySpec.

"commit it"
connection commitUnitOfWork

That pretty much wraps it up for today - we'll look at some more examples next time.

Need more help? There's a screencast for other topics like this which you may want to watch. Questions? Try the "Chat with James" Google gadget over in the sidebar.

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posted by James Robertson

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advertising

DLC For Deus Ex?

October 19, 2011 22:36:28.619

I'm a bit skeptical - the game has a defined beginning, middle and end - so I'm skeptical about how well DLC will fit into the narrative. Still, I liked the game, and the DLC is supposed to slot in during a failry obvious interstitial in the game. I downloaded the DLC while I was visiting my sister; we'll see how it goes :)

posted by James Robertson

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js4u

JS 4U 101: The position() Function in JQuery

October 20, 2011 8:59:55.285

Javascript 4 U

Today's Javascript 4 You. Today we look at the position() function in JQuery. If you have trouble viewing it here in the browser, you can also navigate directly to YouTube.

Join the Facebook Group to discuss the tutorials. You can view the archives here.

To watch now, click on the image below:

position()

If you have trouble viewing that directly, you can click here to download the video directly. If you need the video in a Windows Media format, then download that here.

You can also watch it on YouTube:

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posted by James Robertson

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smalltalk

Newer Newspeak

October 20, 2011 21:20:05.560

Dart may be the new shiny, but it looks like Newspeak is still getting some love.

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posted by James Robertson

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