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• How do you share pre-calculated data between calls to a Rails web service?

  - by Nigel Thorne

  I have a Rails app that allows users to build up a network structure and then ask questions about how to navigate around it. When adding nodes and connections these are just saved to the database. At the point you make a query of the network I calculate the shortest path from any node to any other node. Constructing this in memory takes a while (something I need to fix), but once it is there, you can instantly get the answer to any of these path questions. The question is... How do I share this network between calls to the website, so each request doesn't regenerate the paths network each time? Note: I am hosting this on apache server using passenger (mod ruby) Thoughts?

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• Analyst's Corner: "Getting Grounded in the Cloud"

  Developers find challenges--and opportunities--in new architecture.

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• Oracle JDeveloper 11g 11.1.1.3.0 Released

  Download the new version

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• OTN Bulletin: "Best Reads of 2009"

  Learn what's happening with Oracle's most dynamic online community.

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• Customer Feature: "Getting to Modern"

  Read how Oracle has helped customers create and evolve their own enterprise architectures.

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• Oracle Magazine, September/October 2009

  Oracle Magazine September/October features articles on benefits of Oracle Fusion Middleware 11g, Oracle's database security and identity management solutions, Oracle OpenWorld preview, easily move application data with Oracle Data Integrator, scripting Oracle RMAN commands, Tom Kyte answers your questions, debugging with Oracle Application Development Framework, array binding, best PL/SQL practices, Oracle Application Express and Amazon EC2, Oracle WebCenter for integrating applications and much more.

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• Taking an Oracle ADF Application from Design to Reality

  Techniques for decomposing system requirements into an Oracle ADF application

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• Business Intelligence: "Oracle Warehouse Builder 11g Release 2 and

  Use code template mappings to transform non-Oracle database data at the source.

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• Frameworks: "Extending a Helping Hand"

  Add custom features to improve team productivity.

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• Oracle Magazine, May/June 2008

  Oracle Magazine May/June features articles on Oracle enterprise application development, service-oriented architecture, Oracle on Microsoft Windows, Oracle OLAP 11g, creating database connections in Oracle SQL Developer, new backup and recovery features in Oracle Database 11g, using Oracle SQL Developer to debug Oracle Application Express applicaitons, PL/SQL best practices, building applications with Oracle Developer Tools for Visual Studio, and much more.

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• Developing Oracle ADF Applications for the BlackBerry Smartphone

  An introduction to ADF Mobile Browser and Mobile Client

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• New Oracle Team Productivity Tutorial

  Setup and get familiar with Oracle's new ALM solution

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• Oracle Magazine, May/June 2005

  Oracle Magazine May/June 2005 features articles on the architecture of service-oriented applications, RFID and Oracle, UML 2.0, Oracle XML DB Repository, Oracle Flashback, Oracle Expression Filter, Oracle JDeveloper and Oracle ADF, and much more.

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• Oracle JHeadstart 11g Evaluation Download

  Template based application generation for ADF 11g

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• Oracle Magazine, January/February 2007

  Oracle Magazine January/February features articles on High Availability, Oracle XML DB, Open Source, Oracle ADF, Oracle Application Express, the flash recovery area, and much more.

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• JDeveloper Masterclasses in Australia

  Get an overview of JDeveloper and ADF

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• Compression: "Compressing Columns"

  Compress more with Oracle Exadata Hybrid Columnar Compression.

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• Oracle Magazine, March/April 2007

  Oracle Magazine March/April features articles on Business Intelligence, Oracle Fusion Applications, Oracle Secure Enterprise Search, Oracle Berkeley DB, Oracle Data Miner, Oracle ADF, and much more.

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• Backup: "Next-Generation Data Backup"

  StorageTek Enterprise Backup software, Sun chip multithreading servers, and Oracle Solaris deliver end-to-end data protection.

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• Oracle Magazine, September/October 2005

  Oracle Magazine September/October 2005 features articles on the release of Oracle Database 10g Release 2, Oracle Fusion Middleware, PeopleSoft Enterprise CRM, Transparent Data Encryption (TDE), native XQuery support in Oracle Database 10g Release 2, Oracle Data Provider for .NET, Oracle JDeveloper, Oracle ADF, and much more.

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• Creating Reusable JSF Components with JDeveloper 11g

  New online demo

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• Frameworks - "Developing a Regional Accent"

  Use task flows as regions to improve UI reuse.

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• Is $70/h is a good salary ?

  - by MikeJailrod

  Hi. One of my friends has contacted a company that is looking for good, linux network programmers in C, requiring a good background of the linux kernel and low-level network programming. The starting payment would be $70 per hour - I am still at college and honestly i don't know if that's a good salary for such a work as linux network engineer, so i am asking here if $70/h is good enough or not ? Thanks.

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• nightmare with relative imports, how does pep 366 work?

  - by pygabriel

  I have a "canonical file structure" like that (I'm giving sensible names to ease the reading): mainpack/ __main__.py __init__.py - helpers/ __init__.py path.py - network/ __init__.py clientlib.py server.py - gui/ __init__.py mainwindow.py controllers.py In this structure, for example modules contained in each package may want to access the helpers utilities through relative imports in something like: # network/clientlib.py from ..helpers.path import create_dir The program is runned "as a script" using the __main__.py file in this way: python mainpack/ Trying to follow the PEP 366 I've put in __main__.py these lines: ___package___ = "mainpack" from .network.clientlib import helloclient But when running: $ python mainpack Traceback (most recent call last): File "/usr/lib/python2.6/runpy.py", line 122, in _run_module_as_main "__main__", fname, loader, pkg_name) File "/usr/lib/python2.6/runpy.py", line 34, in _run_code exec code in run_globals File "path/mainpack/__main__.py", line 2, in <module> from .network.clientlib import helloclient SystemError: Parent module 'mainpack' not loaded, cannot perform relative import What's wrong? What is the correct way to handle and effectively use relative imports? I've tried also to add the current directory to the PYTHONPATH, nothing changes.

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• Launch file:// from Firefox/Chrome

  - by JuniorFlip

  I am looking to be able to launch a network file on our local intranet using FF or Chrome Currently the link work good in IE <a href="\\Start\Of\My\Network\file.xlsx">View Report</a>&nbsp; but in FF it show <a href="http://mydomain.com/\\Start\Of\My\Network\file.xlsx">View Report</a>&nbsp; is there a way to get the link to render properly...Just a simple click from a href tag.

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