Podcast Break
No podcast this weekend - short break for the new year's weekend.
ST 4U 325: Constructed Messages
Today's Smalltalk 4 You looks at constructed messages - sometimes useful in Smalltalk, but not without their risks. 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:
.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:
One of the things you run across in Smalltalk early on - and typically think is very cool at the time - is the ability to construct and perform a message send. You can ask an object to execute a message via the symbol for the name:
someObject perform: #nameOfMethodHere
That kind of thing is common, and used quite frequently - for instance, eecuting a message after an item has been selected from a list of options. If the actual symbol is used, it's even traceable by the tools in the system. What's also possible - but much harder to trace - is something like this:
execute | msg sendMsg | msg := lastState ifTrue: ['add', tail] ifFalse: ['remove', tail]. sendMsg := msg asSymbol. lastState := lastState not. self perform: sendMsg
Here, a message is constructed by string concatenation, with the string then being made into a symbol and performed. The problem? It's impossible to find these references with the tools - you have to know where they are. Worse yet, we've seen such usage combined with the last screencast - wrap this in an MNU handler, and you'll never know what it isn't working.
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.
Tags: smalltalk, message construction
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Call For Participation in the Smalltalk DevRoom at FosDem 2013
Saw this from Marcus Denker:
A devroom for the Pharo, Squeak, Amber, GST, Etoilé, Seaside, Moose Smalltalk projects & Newspeak as derived language. Smalltalk environments offer a very high development productivity, unmatched by their successors. Come do some pair programming with us and experience yourself the advantages of a real OO environment
You can get more info on the conference here
JS 4U 232: Layering Application Data on a Map
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Today's Javascript 4 You looks at integrating third party tools (Panaramio in this case) into Googl emaps through the Javascrupt API. 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:
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:
Tags: javascript, maps
Enclosures:
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Regular Screencasts Return Tomorrow
I'm taking a short break from screencasting - basically, the 3 days around Christmas. Things will be back to normal tomorrow on that front.
Is it Cutting Edge, or Irritating?
The Times is crowing about "Snowfall" - a story it took them 6 months (and many people) to put together. Here's the problem - it's mostly irritating. Why?
As I scroll through, trying to read the text, video and photos suddenly appear out of nowhere. Not embedded normally, there's some clever, but mostly irritating, Javascript/HTML 5 involved. The clever embedding takes me right out of the story, and forces me to pay attention to.... trivia.
This isn't a large newsroom showing me potential; it's a large newsroom that's forgotten how to put together a story in a way that engages readers. Oh, and it cost tons of money, too. So not winning....
IM 108: Bootstrapping Smalltalk (AAC)
Welcome to episode 108 of Independent Misinterpretations - a Smalltalk and dynamic language oriented podcast with James Robertson and David Buck.
This week we have a recording from the Smalltalks 2012 conference in Argentina - Guillermo Polito talking about bootstrapping Smalltalk. If you would rather watch the video, head on over to the YouTube channel.
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!
Tags: smalltalks, smalltalk, bootstrapping
Enclosures:
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IM 108: Bootstrapping Smalltalk
Welcome to episode 108 of Independent Misinterpretations - a Smalltalk and dynamic language oriented podcast with James Robertson and David Buck.
This week we have a recording from the Smalltalks 2012 conference in Argentina - Guillermo Polito talking about bootstrapping Smalltalk. If you would rather watch the video, head on over to the YouTube channel.
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!
Tags: smalltalk, bootstrapping, smalltalks
Enclosures:
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Squeak 4.4 RC-3 Ready
Squeak is in the process of releasing its latest version Squeak4.4. Frank Shearar, the release manager, has just released the latest release candidate for public vetting by the community. Download it. Take a look. Post feedback on the Squeak-dev mailing list.
Tags: squeak
Thu'umcast 35: Are You on Expert? (AAC)
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Welcome to episode 35 of "Thu'umcast" - a podcast where Michael Lucas-Smith, Scott Dirk, Austin Haley, Makahlua and I document our trials and tribulations in Elder Scrolls V: Skyrim Today, James and Michael talk about playing the game on Expert Difficulty - and Michael explains why you probably should avoid Master. The podcast ends a bit abruptly while we were off on a rant about the gaming industry in general - this was recorded while I was on the road, and the hotel wifi just cut out on us. If you liked our work on That Podcast, you'll probably like this. We intend to stay with the same idea - a gameplay podcast. If you don't want spoilers, don't listen - we are going to be talking about how we play the game, and what we ran across as we played. |
You can subscribe in iTunes (or any podcatcher) using this feed, or this one for the AAC edition. We'll add the iTunes specific links as soon as they are available. In the meantime, join the Facebook Group and follow us on Twitter. If you play on Steam, join the Steam Group. Like the music? Pay Sbeast a visit, we thank him for letting us use it!
Links to all episodes and other information can be found on the Thu'umcast page.
If you want to download the podcast directly, we've provided it in three formats:
Got feedback? Tweet us!. Enjoy the podcast, and we'll see you in Skyrim!
Tags: skyrim, elder scrolls, thuumcast, expert
Enclosures:
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Thu'umcast 35: Are You on Expert?
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Welcome to episode 35 of "Thu'umcast" - a podcast where Michael Lucas-Smith, Scott Dirk, Austin Haley, Makahlua and I document our trials and tribulations in Elder Scrolls V: Skyrim Today, James and Michael talk about playing the game on Expert Difficulty - and Michael explains why you probably should avoid Master. The podcast ends a bit abruptly while we were off on a rant about the gaming industry in general - this was recorded while I was on the road, and the hotel wifi just cut out on us. If you liked our work on That Podcast, you'll probably like this. We intend to stay with the same idea - a gameplay podcast. If you don't want spoilers, don't listen - we are going to be talking about how we play the game, and what we ran across as we played. |
You can subscribe in iTunes (or any podcatcher) using this feed, or this one for the AAC edition. We'll add the iTunes specific links as soon as they are available. In the meantime, join the Facebook Group and follow us on Twitter. If you play on Steam, join the Steam Group. Like the music? Pay Sbeast a visit, we thank him for letting us use it!
Links to all episodes and other information can be found on the Thu'umcast page.
If you want to download the podcast directly, we've provided it in three formats:
Got feedback? Tweet us!. Enjoy the podcast, and we'll see you in Skyrim!
Tags: skyrim, elder scrolls, thuumcast, expert
Enclosures:
[thuum35.mp3 ( Size: 14299684 )]
