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Bik_ |
hello |
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Topic for #virtualJUG is now Welcome to the Virtual JUG - http://virtualJUG.com. IRC logs can be found here -> http://irclog.greptilian.com/virtualJUG/today |
| 16:36 |
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| 16:50 |
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wololock |
good afternoon vjugers :) |
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sjmaple |
hello all! |
| 16:56 |
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| 17:00 |
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| 17:00 |
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theotown |
Hey folks, we're getting ready to start! |
| 17:00 |
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theotown |
Just testing the WiFi power |
| 17:00 |
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ktor |
hiu |
| 17:01 |
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DSpair |
It's Simon's fault... He's always screwing around... :P |
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CarlJokl |
What had Simon done now? |
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theotown |
coming online now... |
| 17:03 |
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theotown |
And we're live! :-) |
| 17:04 |
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HarmeetSingh |
Hey Simon, Where you are ? |
| 17:04 |
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CarlJokl |
Standing by... |
| 17:04 |
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| 17:05 |
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sjmaple |
I'm in Basingstoke |
| 17:05 |
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sjmaple |
UK |
| 17:06 |
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HarmeetSingh |
good |
| 17:06 |
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DTTeam |
Can't hear anything ? |
| 17:07 |
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Mohs |
what part does scala play in big data? |
| 17:07 |
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| 17:08 |
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sjmaple |
DTTeam: try a different browser, or restart browser |
| 17:08 |
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sjmaple |
sometimes they need a restart with hangouts |
| 17:08 |
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| 17:08 |
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sjmaple |
Mohs: great question, will ask that at the end |
| 17:08 |
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HarmeetSingh |
open http://virtualjug.com/ |
| 17:09 |
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sjmaple |
oh, yeh, if you're not watching the video, you need to :) |
| 17:09 |
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| 17:10 |
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CarlJokl |
With 2300+ members I wonder if the vJUG could overtake the LJUG |
| 17:10 |
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| 17:10 |
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CarlJokl |
...but Scala... |
| 17:10 |
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| 17:11 |
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sjmaple |
The London JUG? |
| 17:11 |
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DSpair |
One problem I have found with Scala is the proliferation of disjointed DSLs which create a walled garden within teams... How does one prevent those sorts of divergences? |
| 17:11 |
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CarlJokl |
Now I am thinking of Kotlin and the REPL discussion |
| 17:11 |
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sjmaple |
Wasn't that Ceylon? |
| 17:11 |
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CarlJokl |
Maybe it was Ceylon |
| 17:11 |
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DSpair |
Ceylon doesn't have a REPL.. |
| 17:11 |
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CarlJokl |
Ah it was Ceylon then |
| 17:12 |
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sjmaple |
yeh, Gavin said there's no need :) |
| 17:12 |
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HarmeetSingh |
they all are JVM based languages |
| 17:12 |
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DSpair |
sjmaple:I have to agree with Gavin... |
| 17:12 |
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CarlJokl |
Just don't tell Dick |
| 17:12 |
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HarmeetSingh |
so, why java developer go to other languages? |
| 17:13 |
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Russel |
java.uti.Date is banned isn;t it? ;-) |
| 17:14 |
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Russel |
JDK7 should be banned as well ;-) |
| 17:14 |
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HarmeetSingh |
no, that's not true |
| 17:14 |
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| 17:14 |
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Russel |
Groovy has GroovyConsole. |
| 17:15 |
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DSpair |
FYI, I implemented the Sieve of Eratosthenes in Ceylon with the help of Gavin and Tako from the Ceylon user's list. |
| 17:15 |
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DSpair |
https://gist.github.com/InfoSec812/b7f65111ef1503fe132a |
| 17:16 |
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Russel |
IPython notebooks are way better than REPLs |
| 17:16 |
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| 17:16 |
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sjmaple |
Mr Winder, how are you :) |
| 17:16 |
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| 17:16 |
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johnament |
I didn't realize the IRC channel changed from ##virtualJUG :-( |
| 17:16 |
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Russel |
I am live instead of recorded :-) |
| 17:16 |
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| 17:16 |
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sjmaple |
:D |
| 17:17 |
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sjmaple |
johnament: yeh, it did that ages ago - like 6 mths or more :) |
| 17:17 |
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Russel |
Java programmers should use final all the time. |
| 17:17 |
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johnament |
sjmaple: i never make it on to IRC |
| 17:17 |
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| 17:17 |
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sjmaple |
do you watch on YT or virtualjug.com? |
| 17:17 |
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johnament |
youtube, but i usually project |
| 17:17 |
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DSpair |
Welcome John! |
| 17:18 |
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johnament |
DSpair: hi! |
| 17:18 |
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johnament |
do we know each other from somewhere else? name's not familiar :-( |
| 17:18 |
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DSpair |
Are we going to see a vJUG session on DeltaSpike soon? |
| 17:18 |
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DSpair |
johnament:From the DeltaSpike mailing list.. |
| 17:18 |
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sjmaple |
ahh ok - the embedded virtualjug.com doesn't give you a choice on IRC channel |
| 17:19 |
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johnament |
DSpair: oh ok great! :-0 |
| 17:19 |
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johnament |
Depends on if sjmaple thinks there would be interest on a CDI/DS type talk... |
| 17:19 |
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HarmeetSingh |
is scala use Java collections apis ? |
| 17:19 |
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johnament |
HarmeetSingh: I believe they have their own wrappers to do conversion |
| 17:20 |
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johnament |
HarmeetSingh: http://docs.scala-lang.org/overviews/core/architecture-of-scala-collections.html |
| 17:20 |
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sjmaple |
send me an abstract johnament! |
| 17:20 |
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sjmaple |
simon zeroturnaround dot com |
| 17:20 |
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DSpair |
I would definitely be interested in a CDI/DS talk.. |
| 17:20 |
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HarmeetSingh |
scala have primitive collections support/ |
| 17:20 |
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HarmeetSingh |
? |
| 17:21 |
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theotown |
Does anyone here believe that knowing more about Scala will help them get a better job? (a bit off topic, but hey) |
| 17:21 |
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CarlJokl |
I am not sure if some of that is hidden behind the scenes |
| 17:21 |
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theotown |
i.e. as a Java dev |
| 17:21 |
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johnament |
I wanna say that scala doesn't differentiate int vs Integer the way Java does |
| 17:21 |
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CarlJokl |
so working with stuff like val byteArray: Array[Byte] |
| 17:22 |
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DSpair |
theotown:All knowledge helps with getting new/better jobs.. |
| 17:22 |
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johnament |
so no primitive wrappers |
| 17:22 |
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DSpair |
theotown:Even if you just learn that a tool is not a tool which should be used.. |
| 17:22 |
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CarlJokl |
I think Scala takes care of whether it uses primitives or wrappers behind the scenes but Dick will have a better idea of that |
| 17:23 |
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johnament |
dinner? it's lunch time here.. |
| 17:23 |
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theotown |
DSpair: agreed. Is only familiarity enough, or is actual coding experience expected nowadays? |
| 17:23 |
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| 17:24 |
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CarlJokl |
I have been programming Scala over a year but still not a Scala Ninja yet |
| 17:24 |
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johnament |
theotown: at least in my area, the only JVM language other than java that pops up is groovy |
| 17:24 |
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DSpair |
theotown:That would depend on the tool and the target environment... |
| 17:24 |
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HarmeetSingh |
good question, simon |
| 17:28 |
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| 17:31 |
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CarlJokl |
One of the nice benefits of Scala variables vs function definitions means that even if the member becomes a function later instead of a variable code doesn't break |
| 17:31 |
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| 17:33 |
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| 17:35 |
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Russel |
I think we are seeing proof that REPLs are a problem! One line at a time really isnt as good as using some form of editor. |
| 17:35 |
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theotown |
@CarlJokl - would a 1-year Java dev feel like a ninja? ;-) |
| 17:35 |
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| 17:36 |
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sjmaple |
what it might be nice to do is develop in an IDE and then select a block of code, right click, run in REPL :) |
| 17:37 |
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CarlJokl |
@theotown Probably Not. There is an awful lot of dark magic that goes on behind the scenes in Scala that I don't yet understand. |
| 17:37 |
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Russel |
IDE are usually just too heavyweight. Lightweight editor with an inferior mode for executing in a running engine. Oh you have to love Emacs. |
| 17:38 |
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CarlJokl |
@theotown One reason for me getting into Scala is not technical. Java developers are fairly commodity these days. Scala developers are still more rare and as such can be higher value. |
| 17:39 |
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| 17:41 |
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joshuaw1 |
how do you remove things from repl like removing an Import that you no longer want |
| 17:43 |
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sjmaple |
I think Dick will just show you how to do that :) |
| 17:43 |
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sjmaple |
*turns it off and on again* |
| 17:45 |
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| 17:54 |
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| 18:00 |
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sjmaple |
questions please!!! |
| 18:01 |
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| 18:01 |
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CarlJokl |
How does this play with Exceptions? |
| 18:01 |
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| 18:02 |
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CarlJokl |
Will the other demo's / materials be available to look at later? |
| 18:02 |
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iipaul |
an advanced session would be great as a java developer transitioning to scala |
| 18:02 |
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CarlJokl |
*waves* |
| 18:02 |
|
DSpair |
One problem I have found with Scala is the proliferation of disjointed DSLs which create a walled garden within teams... How does one prevent those sorts of divergences? |
| 18:03 |
|
Russel |
No checked exceptions, yay, just like Groovy :-) |
| 18:03 |
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milovtim |
What about Closable in try/catch? |
| 18:04 |
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Russel |
Sounds a bit like Ceylon union types. |
| 18:06 |
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Russel |
Isn't this called "Execute Around"? |
| 18:07 |
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CarlJokl |
I need to sneak off to Skills Matter. I am still listening but will closing the IRC which is on my desktop. |
| 18:08 |
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Russel |
C++, Ruby, Groovy term |
| 18:08 |
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sjmaple |
ahh ok |
| 18:10 |
|
Russel |
As has Ptthon since that is the language of data science :-) |
| 18:12 |
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| 18:15 |
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| 18:15 |
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| 18:17 |
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sjmaple |
replay can be found here -> http://virtualjug.com/scala-for-java-developers/ |
| 18:18 |
|
CarlJokl |
It can be tricky in an office where no one is a Scala Ninja. |
| 18:18 |
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sjmaple |
yeh, it helps learning with people and having people to ask |
| 18:19 |
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Russel |
Lifelong learning is essential. |
| 18:21 |
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CarlJokl |
I want to go on Dock Walls course when I am in a possition to. It would help with the advanced topics |
| 18:22 |
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sjmaple |
Here's the group Dick mentioned https://groups.google.com/forum/#!forum/scala-user |
| 18:23 |
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Russel |
Scala user is way better than it used to be. |
| 18:24 |
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Russel |
Part 2 would be great |
| 18:25 |
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CarlJokl |
I would like that |
| 18:25 |
|
Russel |
Happy New Year. :-) |
| 18:26 |
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| 18:27 |
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| 18:27 |
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Grundlefleck |
Happy holidays folks, thanks Dick, Oliver, Simon |
| 18:27 |
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sjmaple |
thanks everyone! see you in 2015, if not before! :D |
| 18:27 |
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