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A cool terminal tip for Mac users

Mar 13, 2011

If you use a Mac, and you are dealing with many similar tasks at once, like examining many database servers in different terminals, you may like this one.I have been using iTerm 2 for a while, and my handling of parallel tasks has improved a lot. (No, I am not talking about Parallel replication, although I have applied this trick while testing that technology as well.)iTerm2 has some cool features, and probably the most striking one is split panes. That alone would be a good reason for giving iTerm2 a try. But the one that I use the most, often in combination with Split Panes, is called Send Input to all tabs.Here is how it works. Let’s say I need to use 4 servers at once, and perform a non-repeating operation in all of them.So I open a separate window and I split the screen into 5 panes. I connect to each server in the first four panes, and I open a vim instance in the fifth.With that done, I enable the magic option.A word of caution. This option sends the input to all the open tabs in your current window. If you don’t want this to happen, do as I do, and open a separate window. Then make sure that all tabs, and eventually split panes, are supposed to receive your input. The application asks you for confirmation.After that, whatever I type on one pane will be mirrored on all the panes. So I will see the commands running on my four servers, and being logged in a text file in the fifth one. All with just single command, I have all servers under control at once:

Polls: Oracle, IBM, OpenJDK; Java on Mac

Oct 25, 2010

According to the latest java.net poll, the Java community is reacting positively to the news that IBM will be collaborating with Oracle on the OpenJDK project. A total of 267 votes were cast in the poll, which ran for the past week. Here is the actual poll question and the results:

What’s your view of the news that Oracle and IBM will collaborate in the OpenJDK project?

  • 18% (48 votes) – It’s the best Java news I’ve heard in a long time
  • 30% (81 votes) – It’s definitely positive
  • 34% (90 votes) – We’ll see how it works out
  • 2% (6 votes) – Makes no difference
  • 10% (27 votes) – I consider it a negative development
  • 4% (10 votes) – I don’t know
  • 2% (5 votes) – Other

Summing the first three options tells us that 82% of the voters think or hope that IBM collaboration in OpenJDK will produce positive results. Only 10% of the voters consider the collaboration to have a downside (unfortunately, no one took the time to post a comment describing the downsides they see).

New poll: Apple’s Java announcement and the future of Java on Mac

The new java.net poll focuses on the Apple announcement that its Java port is being deprecated. This new poll perhaps has a relationship with the previous poll, if one considers the OpenJDK as potentially filling the Java gap that will be left on Mac platforms due to Apple’s decision.

The new poll asks What does the announced deprecation of Java from Mac OS X mean for the future of Java on Mac platforms? Voting will be open for the next week.


Java Today

Dustin Marx provides Ten Tips for Using Java Stack Traces:

Most Java developers are somewhat familiar with Java stack traces and how to read and analyze stack traces. However, for beginning Java developers, there are some areas of stack traces that might be a little confusing. In this post, I look at some tips for reading Java stack traces and responding appropriately based on what the stack trace reports…

Alexis Moussine-Pouchkine introduces A practical guide to configuring and testing GlassFish 3.1 Clustering:

The main theme for GlassFish 3.1 is clustering which really encompasses centralized admin, load-balancing and in-memory state replication (HA). These features are all available in the 2.x family and are now being introduced in the OSGi-based and JavaEE6-compatible GlassFish product. While a lot of engineering time has been spent on making the clustering configuration as easy as possible…

Adam Bien recalls Steve Jobs at JavaOne, Mac OS X and Java, then fast-forwards to today:

Scott McNealy and Steve Jobs at JavaOne. “…One of the big surprises was the presence of the venerable Steve Jobs. Jobs underscored the commitment by Apple Computer to ship the Java 2 Standard Edition (J2SE) with their upcoming MacOS X release later this year. This is great news for Mac users and Java developers alike…”

The JCP Program Office announces the availability of the JCP EC Elections Discussion Board:

The final phase of the 2010 JCP program EC Elections is going on now and ends November 1 at midnight PST (November 2 at 8:00 AM UTC). This is an opportunity to have your thoughts, views, and opinions heard-all while helping shape the future of Java technology. There is a discussion board on jcp.org for community members to post questions to the candidates for the 2010 JCP EC Elections…


Spotlights

Our latest java.net Spotlight is the DEVOXX Supporting JUGs page:

67 Java User Groups have registered as supporting DEVOXX this year. The java.net Java User Groups Community notes that the “official” annual Java User Group leaders networking BOF at DEVOXX is scheduled for November 18 at 20:00.

We’re also highlighting Jim Weaver’s “Eye on Visage: Compiler Preview #1 Available”:

The Visage Programming Language is moving forward, with Compiler Preview #1 available now.  This preview features Default Properties, which create a simplified syntax that makes it easier to read nested data structures.  A logo has also been chosen for the project as well…


Poll

Our current java.net poll asks What does the announced deprecation of Java from Mac OS X mean for the future of Java on Mac platforms? Voting will be open through next Monday.


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Kevin Farnham

Twitter: @kevin_farnham

Petition Apple to contribute Mac Java to OpenJDK

Oct 25, 2010

Entry posted to my new blog.