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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 |
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srncristea |
at which hour will start the session ? |
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devpadawan_ |
5PM UK Time. |
| 15:50 |
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kolo |
hola when the session is starting |
| 15:50 |
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kolo |
ok thanks |
| 15:50 |
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kolo |
from morocco |
| 15:51 |
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kolo |
with love |
| 15:54 |
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kolo |
i have one question because i saw in youtube that you guys use hangouts so assumed that you have a google plus how can i participate inthe question session because i can't find you in google plus |
| 15:54 |
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kolo |
on more thing is there a way to receive some automatique notification for your events |
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doomMan |
bye vlotar |
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doomMan |
bye kolo |
| 16:11 |
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doomMan |
bye morocco |
| 16:11 |
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doomMan |
jjjjjjjjjjjjjjjjjj |
| 16:11 |
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doomMan |
hi arek |
| 16:11 |
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doomMan |
how are you |
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doomMan |
hi max1 |
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Max1 |
hey |
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doomMan |
i hope you feel great |
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doomMan |
bye |
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Max1 |
heh, ok |
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sjmaple |
hello hello, we'll be starting in 30 mins |
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| 16:52 |
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bkman |
hello from boston |
| 16:52 |
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cindyT |
hello from Kansas |
| 16:52 |
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bkman |
nice sunny day of 60F |
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marcosdev |
hello from spain |
| 16:52 |
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devpadawan_ |
Hello from Brazil :-) . |
| 16:52 |
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santeron |
hey everyone, greeting from a Greek in Edinburgh :) |
| 16:53 |
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gattu26586 |
hello from atlanta |
| 16:53 |
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Oz_Molaim |
Hello from Israel |
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Max1 |
amsterdam |
| 16:53 |
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devpadawan_ |
Nice. So many countries. |
| 16:54 |
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santeron |
I was so disappointed that there isn't a JUG in Edinburgh |
| 16:55 |
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marcosdev |
in Mallorca is more difficult |
| 16:55 |
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cindyT |
start one |
| 16:55 |
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marcosdev |
hehehe |
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santeron |
cindy I'll have a think :) |
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cindyT |
I help host a Spring User Group... it is fun |
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santeron |
I'm not really into leading these kind of groups, but maybe it's worth kick starting it |
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shelajev |
hey ppl! |
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sjmaple |
hello from England :D |
| 16:59 |
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sjmaple |
we'll be going live just shortly! |
| 16:59 |
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smarks |
Hello from California! |
| 16:59 |
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bobgutierrez |
Hi Simon, |
| 16:59 |
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bobgutierrez |
Hello from Mexico |
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sjmaple |
hey Stuart! hey bobgutierrez |
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smarks |
Long time no see, Simon! |
| 17:00 |
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smarks |
:-) |
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sjmaple |
:D |
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bobgutierrez |
:) |
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renato-freire |
hello from Brazil :) |
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sjmaple |
we shouldn't leave it so long next time! |
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Mikhail |
Hello from London |
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TheShade |
It is time |
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superMeow |
hello from shorditch |
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sdalloway |
hello from North Caroliina, US |
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sisko59 |
hello from France |
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Carl_Jokl |
Hello from High Street Kensington, London |
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KiranHegde |
Hello from Boston, US |
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TheShade |
Hello from a nice bubbly bath in Puschino, Russia |
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gregorianin |
Hello from Łódź, Poland ;) |
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shelajev |
we're live: http://virtualjug.com/#live |
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Carl_Jokl |
GIF not JIF |
| 17:02 |
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Guest85578 |
gif, G git |
| 17:02 |
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shelajev |
refresh the page pls if it doesn't work |
| 17:02 |
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santeron |
GIF <3 |
| 17:03 |
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Carl_Jokl |
What is the Java Council? |
| 17:03 |
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toadzky |
VJUG podcast |
| 17:03 |
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shelajev |
it's a podcast |
| 17:03 |
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Carl_Jokl |
Ah |
| 17:03 |
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shelajev |
http://virtualjug.com/podcast I believe |
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toadzky |
kind of like the java posse that shutdown a while ago |
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superMeow |
star wars dress costume party |
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Carl_Jokl |
Friday is the conference call for everyone standing in the JCP executive committee |
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* TheShade |
expects smarks to troll heavily |
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smarks |
TheShade: nah, I'm just here to help. |
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TheShade |
Sure, "help" ;) |
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TheShade |
I know you would be noting the things to deprecate as Trisha codes them in |
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smarks |
No, I'm just trying to calm down Java 8. :-) |
| 17:07 |
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Carl_Jokl |
#angermanagement |
| 17:08 |
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madhub |
looks like there is a echo from Trisha's end.. |
| 17:08 |
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whereswally |
it's gone now |
| 17:08 |
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wwallaceii |
Trisha's mic game is fierce! I feel like she is about to drop some rhymes with that mic |
| 17:09 |
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sjmaple |
phew :) It was probably worse when Oleg and I weren't muted |
| 17:09 |
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allegro-jazz |
you also sent an email with that subject :) |
| 17:09 |
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TheShade |
Real world = Anger. Checks up so far! |
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shelajev |
really, TheShade, the bath? |
| 17:09 |
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TheShade |
shelajev, yeah, I don't see why not? |
| 17:10 |
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shelajev |
that's amazing! |
| 17:10 |
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Carl_Jokl |
streams.cross() <- throws Exception |
| 17:10 |
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suni |
hi.. |
| 17:10 |
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shelajev |
I'm amazed at what technology has to offer nowadays |
| 17:10 |
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suni |
just now started right? |
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sjmaple |
yep, just got going |
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TheShade |
shelajev, the technology was there for years, it's just you have to combine the pieces creatively |
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sjmaple |
https://github.com/trishagee/sense |
| 17:12 |
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suni |
i am not understand..it's live stream or already done |
| 17:13 |
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TheShade |
suni, live |
| 17:13 |
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suni |
hmm..thank u |
| 17:13 |
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sjmaple |
it's live, streaming through youtube :) |
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suni |
ok..if i have any queries how to ask ? |
| 17:14 |
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sjmaple |
ask in here |
| 17:14 |
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sjmaple |
I'll ask Trisha |
| 17:14 |
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sjmaple |
after her demo |
| 17:15 |
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TheShade |
27 is a magic number! |
| 17:15 |
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Max1 |
26 |
| 17:15 |
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TheShade |
nextInt is exclusive, so it is [0; 26] |
| 17:16 |
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Max1 |
missed the 'gee' |
| 17:16 |
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smarks |
Free advice: to make the video bigger without going full screen, click on the "Watch on YouTube" icon in the lower right. The YouTube player has a "Theater Mode" option that makes the video bigger but still within the web page. |
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sjmaple |
I was thinking about making the widget bigger actually, but that's great advice, thanks smarks! |
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TheShade |
Are MessageListeners thread-safe? |
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suni |
sjmaple u have any idea about aws sdk for java |
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TheShade |
Aha, MessageListeners are served by a single thread, okay |
| 17:25 |
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Carl_Jokl |
I would expect any UI interaction runs on the UI thread |
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Carl_Jokl |
It is pretty standard on any platform not just Java |
| 17:25 |
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suni |
any one works on webservices |
| 17:26 |
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TheShade |
Yes, but MessageListeners are not UI :) |
| 17:26 |
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Carl_Jokl |
Ah true |
| 17:27 |
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Carl_Jokl |
Is there a dedicated thread reading messages from the network? That is often single threaded unless explicitly done in a multi threaded way. |
| 17:28 |
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Carl_Jokl |
Actually I used Twitter4J in my last job monitoring Tweets from politicians |
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smarks |
Where is the MessageHander interface defined? |
| 17:34 |
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smarks |
(or is that MessageListener) |
| 17:34 |
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TheShade |
I think it was in blah.blah.infrastructure.MessageListeners |
| 17:35 |
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TheShade |
https://github.com/trishagee/sense/blob/master/service/src/main/java/com/mechanitis/demo/sense/infrastructure/MessageListener.java |
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smarks |
ah cool I was just going to try to dig that up, thanks! |
| 17:36 |
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suni |
cool.. |
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TheShade |
Wait a minute. You should have warned about HashMap.computeIfAbsent too :) |
| 17:36 |
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suni |
i hv doubt how to access data twitter data from our app |
| 17:37 |
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suni |
it's randomly generate right |
| 17:38 |
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Max1 |
yes |
| 17:38 |
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TheShade |
It is stubbed so far. But I think it will have a Twitter4J accessor in the end |
| 17:39 |
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suni |
suppose if i want to access my twitter account how to access..give me some suggestions frnds |
| 17:39 |
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TheShade |
google Twitter4J, and take it from there |
| 17:40 |
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suni |
how ? |
| 17:40 |
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Carl_Jokl |
Twitter4J isn't so hard to use once you get used to it |
| 17:41 |
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suni |
twittere4j is related to api for twitter |
| 17:41 |
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TheShade |
please just Google the Twitter4J examples |
| 17:41 |
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Carl_Jokl |
The API is rest based but the library takes care of the more complex login authentication key exchange stuff |
| 17:42 |
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Max1 |
http://twitter4j.org/en/code-examples.html |
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pathfinder2104 |
(y) |
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suni |
can you share some stuff,related webservices |
| 17:42 |
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pathfinder2104 |
Google :) :) :) |
| 17:42 |
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Carl_Jokl |
I want to make a pun about "It was acceptable Java 8 'ese" #calvinharris |
| 17:43 |
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sjmaple |
@Carl_Jokl sounds like the next JavaZone video :) |
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Carl_Jokl |
Hey I can sing. Bring it on! |
| 17:44 |
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Carl_Jokl |
But...the presentation *concentrating* |
| 17:45 |
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TheShade |
Oh no... Why substitute simple loops with that IntStream boilerplate? :) |
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TheShade |
It's not even shorter. Sure, you may teach yourself to make yourself "more used to it", but... but... |
| 17:47 |
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shelajev |
can it be friendlier for static code analysis? :) |
| 17:48 |
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Carl_Jokl |
Oh the cost of upgrading my full commercial licence of IntelliJ probably about £300 |
| 17:48 |
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Carl_Jokl |
Still there is community edition |
| 17:48 |
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TheShade |
I highly doubt the static code analysis argument, really. Same job. |
| 17:48 |
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pathfinder2104 |
I wish the community edition could support web programming |
| 17:48 |
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TheShade |
My point is that sticking to one of the extremes (Streams vs. loops) is bad. |
| 17:49 |
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Carl_Jokl |
I can expense the cost as tax deductible under my business but I still need to have the money to pay for it |
| 17:49 |
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suni |
hey i am using eclipse ide..suddenly some problem like it was not showing java web project operation.. |
| 17:49 |
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suni |
i am not understand what happend. |
| 17:49 |
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pathfinder2104 |
The cost is way too high for a newbie in India :) |
| 17:49 |
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Carl_Jokl |
I can sympathise |
| 17:50 |
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suni |
java web project option means,dynamic web project |
| 17:50 |
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pathfinder2104 |
:D :D :D |
| 17:50 |
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Carl_Jokl |
It is a pet peeve of mine about the differences in opportunities between professionals depending on which country you are based in. I know I am very lucky in that regard |
| 17:51 |
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pathfinder2104 |
:) |
| 17:51 |
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pathfinder2104 |
I am that lucky too |
| 17:51 |
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pathfinder2104 |
But I need it for my personal use :) :) |
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TheShade |
Why peek(), you can map() with identity :) |
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pathfinder2104 |
I do use IntelliJ at work :) |
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Carl_Jokl |
As do I albeit I am learning Clojure right now |
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pathfinder2104 |
(y) |
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smarks |
TheShade: peek() is easier for a void-returning method |
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TheShade |
smarks: but it feels so *not* FP :) |
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suni |
nice trisha |
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Carl_Jokl |
Clojure doesn't even use any object orientation. Very functional |
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pathfinder2104 |
hmmm but I guess one can do OO programming with it ? |
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Carl_Jokl |
I suppose I wonder about Java 8 in terms of making alternative languages easier to implement on the JVM |
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Carl_Jokl |
Albeit I hear Scala is looking at running on it's own VM derived from LLVM rather than the JVM |
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Guest89476 |
how about groovy? |
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Carl_Jokl |
However that will kill Java / Scala interop |
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smarks |
I really like "Mood Service". It reminds me of a Philip K Dick novel. |
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Carl_Jokl |
Groovy strikes me as still very Java like at its core but with more slick syntax |
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suni |
i like entire what u did |
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TheShade |
smarks, "Adjustment Bureau"? |
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TheShade |
Now, there are two ways you can implement "Mood Adjustment": one with a .filter(), and another with a .map() :) |
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Guest89476 |
what is a flatMap |
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Carl_Jokl |
Flat map makes sure the result is just a single level collection rather than ending up with a collection of collections |
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smarks |
TheShade: heh, Mood Adjustment is a mutating operation so mustn't be used within a stream. |
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TheShade |
"takes one element of the stream, and turns it into many elements" |
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smarks |
(Mood Service reminded me of the mood organ in Dick's "Do Androids Dream of Electric Sheep") |
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Russel |
So what about "awfully happy" ? |
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whereswally |
Then it would have both moods |
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TheShade |
awfully will mismatch "awful" |
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Russel |
Which is wrong. |
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Carl_Jokl |
It's a beta |
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TheShade |
Doesn't double distinct() takes more memory? ;) |
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whereswally |
There are three outcomes - happy, sad or confused |
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whereswally |
confused is when you have both happy and sad |
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TheShade |
"sappy" |
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sjmaple |
so, before we end - questions for trisha? |
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eddie_again |
hahaha great! |
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Max1 |
lambda debugging tips? |
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TheShade |
So, microservices are supposed to be resilient or what? ;) |
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smarks |
Oooh, Trisha gets in a sick burn on sjmaple! |
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Max1 |
she mentioned peek vs map.. |
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Max1 |
anything else? |
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sjmaple |
haha |
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shelajev |
sappy might be bittersweet sometimes |
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eddie_again |
congrats ... great streaming |
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whereswally |
I haven't thought about using streams for data manipulation, is this something people regularly do? |
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Guest89476 |
Qn: how to handle exceptions inside lambdas? |
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Carl_Jokl |
Does Java 8 have benefits for people using alternative languages on the JVM or only the Java crowd? |
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sjmaple |
http://bit.ly/Java8InAnger |
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Mikhail |
I find streams very useful for processing collections - you can segregate logic of processing individual elements from iteration logic |
| 18:08 |
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javalove |
Trisha -- great fluency! You showed that you start with Anonymous Inner Classes and then let IDEA refactor it to use lambdas/method refs -- is that required when you are starting? |
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TheShade |
Carl_Jokl, lots of invokedynamic improvements, as well as general JDK improvements, so yes for alternative JVMs |
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whereswally |
I really like the use of it, seems very convenient |
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toadzky |
peek works really great for logging |
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toadzky |
you can add debug logs in the middle of string logic |
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Russel |
reduce is not difficult. |
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toadzky |
not kind of....very icky |
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dansouza |
What about Streams performance? Is it quite good? |
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toadzky |
dan, it worked really well for me and my team at my last job |
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toadzky |
we did a real time communications platform all in java 8 with streams everywhere |
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Guest89476 |
Qn: Is it preferred to use reduce method with an identity? |
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stillatwork |
@Simon: you have a GeekOut poster behind you: is that a teaser? ;) (Great talk Trisha) |
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javalove |
Do you come across a lot of devs that are not yet ready to sort of 'cross the java8 chasm'? |
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sjmaple |
http://geekout.ee :) |
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sjmaple |
I'm thinking about a UK version in 2016 again... |
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Carl_Jokl |
Please do |
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sjmaple |
just thinking at the moment though :) Thinking takes time for me |
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Carl_Jokl |
I want to Geek Out again |
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TheShade |
Is "coll.stream().forEach(this::doStuffWith);" really better than "for (T t : coll) doStuffWith(t);"? boilerplate-wise? |
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toadzky |
shade, yes |
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smarks |
"It depends" — yay! |
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dansouza |
lol |
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toadzky |
mostly because in my experience you often end up with some kind of check/transform before you call doStuff |
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shelajev |
Carl_Jokl, the Estonian Geekout is already in the planning: http://2016.geekout.ee/ |
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toadzky |
streams make it easier to add those steps IMHO |
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whereswally |
which MOOC did Trisha just mention? |
| 18:17 |
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javalove |
I missed it too. |
| 18:18 |
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TheShade |
toadzky, yeah, but apparently the argument is to *always* do Streams, even for these trivial ops |
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Carl_Jokl |
Any conferences present in London save me a lot of money in travel and hotels but ok. |
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Carl_Jokl |
Oracle Java 8 MOOC |
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toadzky |
we did streams pretty much everywhere we could at my last job, mostly to get us thinking in functional paridigms |
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dansouza |
Thanks! |
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smarks |
Oracle Java 8 Lambda MOOC: https://apexapps.oracle.com/pls/apex/f?p=44785:145:0::::P145_EVENT_ID,P145_PREV_PAGE:4887,143 |
| 18:19 |
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toadzky |
as they said, unless you can show with metrics and profiling, functional is as good as procedural in most cases and better in some |
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whereswally |
Thanks Trish! |
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dansouza |
Carl, I would like to say the same, but I'm in Brazil... kkkk |
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CousinGlendale |
Thanks. Nice job Trisha! |
| 18:19 |
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javalove |
Thank you! Great presentation. |
| 18:19 |
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smarks |
Yes, very nice, thanks Trisha! |
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dansouza |
Nice presentation, Trisha |
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tong |
THanks |
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dansouza |
Cheers from Brazil! |
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Carl_Jokl |
Trisha has a strong track record with presentations |
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devpadawan_ |
Amazing presentation Trisha. Thanks. |
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TheShade |
toadzky, okay, if you say so :D |
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smarks |
sjmaple: we were talking about running the Lambda Hands-on Lab on the vJUG |
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smarks |
maybe sometime next year. any interest from others on the IRC? |
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jhonatasobrinho |
Thanks for the presentation, Trisha! |
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toadzky |
thanks trisha |
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shelajev |
@smarks, that'd be amazing! :) |
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smarks |
shelajev: will you be at Devoxx? |
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hexmasta |
Oh yeah I've seen John's presentation before |
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hexmasta |
At least I think i have |
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dansouza |
see you1 |
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silentmatt |
Thanks! |
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shelajev |
smarks:I'll be there |
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smarks |
Great, I will be too. Maybe we can chat with sjmaple about how run a lab on vJUG. |
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smarks |
I've mentioned this to Simon Ritter too, but I'm not sure how involved he would be in this activity given his new role at Azul. |
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sjmaple |
Yeh, remember talking about the vJUG bit, I couldn't remember if you were doing a second round of the MOOC |
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smarks |
Yeah not sure what's going to happen with the MOOC. |
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sjmaple |
Simon is also at Devoxx BE, so we can chat more there and maybe pick some dates :) |
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sjmaple |
I'm talking about Simon Ritter... I'm not talking in 3rd person :) |
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sjmaple |
mostly because Simon hates talking in 3rd person ;) |
| 18:34 |
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smarks |
:-) |
| 18:34 |
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smarks |
ok great sjmaple shelajev let's all talk next week! |
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sjmaple |
yep, and we should get you on the JavaCouncil session :) |
| 18:36 |
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smarks |
Either me or Dr Deprecator :-) |
| 18:36 |
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sjmaple |
maybe both ;) |
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