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  • Understanding Unix "Expect"

    - by zchtodd
    I don't think I properly understand the "expect" utility. While searching for a way to automate a build process that involves jar signing, I came across expect, and thought I could use it to supply a password to jarsigner (whether having a password in a shell script is a good idea I understand the risks of). expect "Enter Passphrase for keystore:" Instead of catching this, the jarsigner sat waiting at that line. Am I completely misunderstanding the point of "expect" and if I am, what can I use to achieve this effect?

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  • What is good usage scenario for Rackspace Cloud Files CDN (powered by AKAMAI) [closed]

    - by Andrew Smith
    I have just setup my website as static page via Rackspace CDN / Akamai. www.example.co.uk is an alias for d9771e6f24423091aebc-345678991111238fabcdef6114258d0e1.r61.cf3.rackcdn.com. d9771e6f24423091aebc-345678991111238fabcdef6114258d0e1.r61.cf3.rackcdn.com is an alias for a61.rackcdn.com. a61.rackcdn.com is an alias for a61.rackcdn.com.mdc.edgesuite.net. a61.rackcdn.com.mdc.edgesuite.net is an alias for a63.dscg10.akamai.net. a63.dscg10.akamai.net has address 63.166.98.41 a63.dscg10.akamai.net has address 63.166.98.40 a63.dscg10.akamai.net has IPv6 address 2001:428:4c02::cda8:ecb9 a63.dscg10.akamai.net has IPv6 address 2001:428:4c02::cda8:ed09 The HTTP header: HTTP/1.0 200 OK Last-Modified: Fri, 19 Oct 2012 23:27:41 GMT ETag: fdf9e14b77def799e09e8ce815a521da X-Timestamp: 1350689261.23382 Content-Type: text/html X-Trans-Id: tx457979be3bd746c2b4e5403a1189cdbc Cache-Control: public, max-age=900 Expires: Sat, 27 Oct 2012 22:18:56 GMT Date: Sat, 27 Oct 2012 22:03:56 GMT Content-Length: 7124 Connection: keep-alive I am wondering, if it's really the fastest solution to power the website? By investigating it thru http://www.just-ping.com/ it seems, that from many places the ping is very high, and during quick investigation I found that they use GeoIP to resolve addresses based on WHOIS, which is not accurate and because of that from many places the ping is above 300ms (for example, if ISP is in balgladore and request is routed to bangladore even if it's 300ms, for period of 1 month), while by just using Amazon Web Services and Route 53 Anycast DNS servers and only 4 EC2 instances it seems that for example India is always below 100ms, while using Akamai it goes above 300ms in some cases, and this is because Route 53 is using BGP. By quickly checking the Akamai, it seems that they are not getting feedback from the traffic - the high ping stays constant even if I keep downloading large files and videos, which is opposite to what they say on their website. They state, that they optimize the performance by taking feedback from the requests, while it seems they just use GeoIP with per City resolution (which are mostly big cities). Because of this, AWS with Route 53 / Anycast DNS seems to be much more reliable, as well EdgeCast which is using BGP, but I dont know how much does it cost to deploy static website. Actually, I dont know if EdgeCast is not a lie, because from isolated places there are many errors - so their performance is at the cost of quality of delivery, because of BGP switching the routes during transfer of large files. So I was wondering, what is really Akamai good for, because they dont seem to pose any strength in any field in what I do understand now, except they offer some software based WAF on their website, but what I really care about is the core distribiution, so the question is? Is really Akamai good for Videos? For static websites? ??? I found so far AWS most usable with most consistent ping and stable transfers.

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  • Plymouth fails to start on boot

    - by thomasfedb
    On boot I get this error: [FAILED] Failed to start Wait for Plymouth Boot Screen to Quit. When I check what systemctl status plymouth-quit-wait.service says I get: [root@zanak thomasfedb]# systemctl status plymouth-quit-wait.service plymouth-quit-wait.service - Wait for Plymouth Boot Screen to Quit Loaded: loaded (/usr/lib/systemd/system/plymouth-quit-wait.service; static) Active: failed (Result: timeout) since Sat, 01 Dec 2012 19:19:48 +0800 Main PID: 866 CGroup: name=systemd:/system/plymouth-quit-wait.service This is on a Fedora 17 system, with nVidia closed source drivers installed via rpmfusion.

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  • good PCI-e Wireless card for Windows7?

    - by benwebdev
    Hi I've just build a 64bit Windows 7 PC but am unhappy with the piddly performance of the linksys USB wireless dingle I've used. Can anyone suggest a good PCIe alternative that will be stronger for connection and maybe faster. I dont see why my desktop should show a weaker performance on wireless than my laptop when its sat next to it or even my Palm Pre for that matter. any thoughts? UK based max around £60ish. thanks, Ben

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  • Networking is broken in my VMware 10.0 VMs after upgrading to Windows 8.1

    - by Michael Geary
    I have a VMware Workstation 10.0 installation with several virtual networks including the default host-only and NAT networks. After upgrading to Windows 8.1, the NAT network was not working. I booted an Ubuntu VM with the default network setup that was previously working, and it sat for a long time during startup saying it was waiting for the network. After it finally started up, an ifconfig showed no IP address for eth0. How can I fix the broken network?

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  • how can 192.168.2.10 talk to 172.18.156.65 ?

    - by steve
    from what i understand, all computers need to be in the same subnet /24 so how would i get a computer to be able to connect to another computer that is set as 172 ? one computer is behind a firewall, the other is connected to a HUGHES sat dish and has the IP of 172 would I need to setup a ROUTE in a firewall between the 2 computers, to say "if you are trying to get to 172.18.156.65 then use the ip address 192.168.2.65 and translate it to 172.18.156.65" the firewall is a netgear, if I should use a ROUTE, then I'll try to learn it from the manual thanks

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  • Apache 403 - looking .htaccess in parent's parent directory

    - by Basil
    I am having this problem (apache2, ubuntu 12.04) I have put all my sites in /home/username/vhosts folder I have added permissions to home and username to be x and chmod -r 777 on vhosts Added /etc/hosts to access my sites with desired names Did a2enmod rewrite But still I have this error: [Sat Jun 23 00:05:23 2012] [crit] [client 127.0.0.1] (13)Permission denied: /home/username/.htaccess pcfg_openfile: unable to check htaccess file, ensure it is readable WHY is it not readable? I did sudo -s su - www-data and with that I can correctly list the /home/username dir What is wrong with me or apache?

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  • What industries develop the highest quality software? Lowest quality? Why?

    - by Derek Mahar
    From your experience, of those industries that develop custom software for internal use such as financial services companies, which ones produce higher quality software measured in defect rates and, more qualitatively, ease of maintenance over the long term? What contributes the most to this achievement of higher quality? Is it due to better software development practices such as greater emphasis on testing or specification? Developers who better understand the tools or who are strong problem solvers? Better communication between team members? On the flip-side, which industries do you think produce the lowest quality software? Why?

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  • Manchester UG Presentation Video

    In July I was invited to speak at the UK SQL Server UG event in Manchester.  I spoke about Excel being a good data mining client.  I was a little rushed at the end as Chris Testa-ONeill told me I had only 5 minutes to go when I had only been talking for 10 minutes.  Apparently I have a reputation for running over my time allocation.  At the event we also had a product demo from SQL Sentry around their BI monitoring dashboard solution.  This includes SSIS but the main thrust was SSAS Then came Chris with a look at Analysis Services.  If you have never heard Chris talk then take the opportunity now, he is a top class presenter and I am often found sat at the back of his classes. Here is the video link

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  • Learning to Grow

    - by jack.flynn
    A Conversation with Ted Simpson of HEUG A great place to revisit Oracle OpenWorld year round is OracleWebVideo on YouTube. Oracle Magazine Senior Editor Jeff Erickson sat down with Ted Simpson at last year's Oracle OpenWorld to find out how the Higher Education Users Group (HEUG) is helping hundreds of member institutions and thousands of individuals across the globe meet the technological challenges in colleges and universities. Simpson joined HEUG back when it was a PeopleSoft special interest group. Now that higher education institutions have expanded into IT infrastructures the size of global corporations or small municipalities, his user group has also been challenged by growth.

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  • "Deep Fried Bytes Podcast": Lars on SQL Server Modeling

    Here's how the Deep Fried guys describe episode 45: "At PDC 2009, 'Oslo' was renamed to SQL Modeling and it left a lot of developers scratching their heads. What better way to sort it all out than to talk with someone deep into the stack. We sat down with Lars Corneliussen to see how this is all going to turn out and it what it means for developers. Definitely an interesting show as it paints a different picture about where things are going with 'M', 'M' Grammar, SQL modeling, Entity Framework, Quadrant...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • "Deep Fried Bytes Podcast": Lars on SQL Server Modeling

    Here's how the Deep Fried guys describe episode 45: "At PDC 2009, 'Oslo' was renamed to SQL Modeling and it left a lot of developers scratching their heads. What better way to sort it all out than to talk with someone deep into the stack. We sat down with Lars Corneliussen to see how this is all going to turn out and it what it means for developers. Definitely an interesting show as it paints a different picture about where things are going with 'M', 'M' Grammar, SQL modeling, Entity Framework, Quadrant...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • AJI Report 14 &ndash; Brian Lagunas on XAML and Windows 8

    - by Jeff Julian
    We sat down with Brian at the Iowa Code Camp to talk about his sessions, WPF, Application Design, and what Infragistics has to offer developers. Infragistics is a huge supporter of regional events like Iowa Code Camp and we want to thank them for their support of the Midwest region. Brian is a sharp guy and it was great to meet him and learn more about what makes him tick. Brian Lagunas is an INETA Community Speaker, co-leader of the Boise .Net Developers User Group (NETDUG), and original author of the Extended WPF Toolkit. He is a multi-recipient of the Microsoft Community Contributor Award and can be found speaking at a variety of user groups and code camps around the nation. Brian currently works at Infragistics as a Product Manager for the award winning NetAdvantage for WPF and Silverlight components. Before geeking out, Brian served his country in the United States Army as an infantryman and later served his local community as a deputy sheriff.   Listen to the Show   Site: http://brianlagunas.com Twitter: @BrianLagunas

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  • AJI Report with Nat Ryan&ndash;Discussion about Game Development with Corona Labs SDK

    - by Jeff Julian
    We sat down with Nat Ryan of Fully Croisened to talk about Game Development and the Corona Labs framework. The Corona SDK is a platform that allows you to write mobile games or applications using the Lua language and deploy to the iOS and Android platforms. One of the great features of Corona is the compilation output is a native application and not a hybrid application. Corona is very centered around their developer community and there are quite a few local meetups focused on the helping other developers use the platform. The community and Corona site offers a great number of resources and samples that will help you get started in a matter of a few days. If you are into Game Development and want to move towards mobile, or a business developer looking to turn your craft back into a hobby, check out this recording and Corona Labs to get started.   Download the Podcast   Site: AJI Report – @AJISoftware Site: Fully Croisened Twitter: @FullyCroisened Site: Corona Labs

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  • Is it okay to be generalist?

    - by Londoner
    I work at a ~50 employee company (UK), where all the technical people do a bit of everything. Specialising in anything for very long (6 months) is discouraged. For example, last week, I built a new Debian webserver, refactored some Perl, sat on a sales phone call, did a tape backup, reviewed code, built and deployed an RPM, gave opinions about x, y, z... With such a work scheme, I have gained a general knowledge how many things work, and pretty specific knowledge. I maybe program for 5 hours a week, despite officially being a developer. Does anyone else work like this, (or is this company unique)? Is it a problem to have skills developed in this way? (i.e. know a bit about everything in a certain domain, rather than know everything about say, one programming language?) Is it okay to be a generalist?

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  • BIND9 server not responding to external queries

    - by Twitchy
    I have set up a BIND server on my dedicated box which I want to host a nameserver for my domain on. When I use dig @202.169.196.59 nzserver.co.nz locally on the server I get the following response... ; <<>> DiG 9.8.1-P1 <<>> @202.169.196.59 nzserver.co.nz ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 43773 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2 ;; QUESTION SECTION: ;nzserver.co.nz. IN A ;; ANSWER SECTION: nzserver.co.nz. 3600 IN A 202.169.196.59 ;; AUTHORITY SECTION: nzserver.co.nz. 3600 IN NS ns2.nzserver.co.nz. nzserver.co.nz. 3600 IN NS ns1.nzserver.co.nz. ;; ADDITIONAL SECTION: ns1.nzserver.co.nz. 3600 IN A 202.169.196.59 ns2.nzserver.co.nz. 3600 IN A 202.169.196.59 ;; Query time: 0 msec ;; SERVER: 202.169.196.59#53(202.169.196.59) ;; WHEN: Sat Oct 27 15:40:45 2012 ;; MSG SIZE rcvd: 116 Which is good, and is the output I want. But when simply using dig nzserver.co.nz I get... ; <<>> DiG 9.8.1-P1 <<>> nzserver.co.nz ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 16970 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;nzserver.co.nz. IN A ;; Query time: 308 msec ;; SERVER: 202.169.192.61#53(202.169.192.61) ;; WHEN: Sat Oct 27 17:09:12 2012 ;; MSG SIZE rcvd: 32 And if I use dig @202.169.196.59 nzserver.co.nz on another linux machine I get... ; <<>> DiG 9.7.3 <<>> @202.169.196.59 nzserver.co.nz ; (1 server found) ;; global options: +cmd ;; connection timed out; no servers could be reached Am I doing something wrong here? Port 53 is definitely open. /etc/bind/named.conf.options options { directory "/var/cache/bind"; forwarders { 202.169.192.61; 202.169.206.10; }; listen-on { 202.169.196.59; }; }; /etc/bind/named.conf.local zone "nzserver.co.nz" { type master; file "/etc/bind/nzserver.co.nz.zone"; }; /etc/bind/nzserver.co.nz.zone ; BIND db file for nzserver.co.nz $ORIGIN nzserver.co.nz. @ IN SOA ns1.nzserver.co.nz. mr.steven.french.gmail.com. ( 2012102606 28800 7200 864000 3600 ) NS ns1.nzserver.co.nz. NS ns2.nzserver.co.nz. MX 10 mail.nzserver.co.nz. @ IN A 202.169.196.59 * IN A 202.169.196.59 ns1 IN A 202.169.196.59 ns2 IN A 202.169.196.59 www IN A 202.169.196.59 mail IN A 202.169.196.59

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  • can't login to Unity always login to Unity 2D

    - by Goddard
    I select Ubuntu on login and it always loads Unity 2D. I ran /usr/lib/nux/unity_support_test -p And got this error X Error of failed request: BadWindow (invalid Window parameter) Major opcode of failed request: 137 (NV-GLX) Minor opcode of failed request: 4 () Resource id in failed request: 0x21f Serial number of failed request: 42 Current serial number in output stream: 42 I'm using 12.04 with all the latest updates. nvidia-installer --version nvidia-installer: version 295.53 ([email protected]) Sat May 12 00:34:26 PDT 2012 The NVIDIA Software Installer for Unix/Linux. This program is used to install, upgrade and uninstall The NVIDIA Accelerated Graphics Driver Set for Linux-x86_64. Copyright (C) 2003 - 2010 NVIDIA Corporation.

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  • Silverlight HVP on Silverlight TV

      The Silverlight HyperVideo Project has made two guest appearances on Silverlight TV.  In the first, I talk with John Papa about the project itself and how it has evolved. Then, during Mix, Tim Heuer and I sat down with John to discuss Whats New In Silverlight 4, and I managed to sneak in a few comments about the HVP as well. Silverlight TV has numerous great interviews, and is quickly becoming a valued asset throughout the Silverlight community.  Tens of thousands of...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Negative downtime, 200% uptime reported by uprecords/uptimed

    - by Psychoholic
    I'm curious as to how I could have negative downtime that keeps increasing, as well as uptime beyond 100%. I'm getting the below output from uprecords -adM: # Uptime | System Boot up ----------------------------+--------------------------------------------------- -> 1 14 days, 21:12:15 | Linux 3.2.0-29-generic Tue Aug 21 21:02:27 2012 2 14 days, 15:31:05 | Linux 3.2.0-29-generic Tue Aug 21 21:03:33 2012 ----------------------------+--------------------------------------------------- NewRec 0 days, 05:41:09 | since Wed Sep 5 12:33:32 2012 mst in 10 days, 02:40:18 | twenty-five days Sat Sep 15 21:02:26 2012 up 29 days, 12:43:20 | since Tue Aug 21 21:02:27 2012 down -14 days, -21:-11: | since Tue Aug 21 21:02:27 2012 %up 201.607 | since Tue Aug 21 21:02:27 2012 I installed uptimed sometime in the last week, have not rebooted, and just yesterday did I notice this odd behavior. I'm running Ubuntu 12.04.1, hosted in Hyper-V on Windows Server 2008 R2 64bit. Any insight would be appreciated.

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  • Manchester UG Presentation Video

    In July I was invited to speak at the UK SQL Server UG event in Manchester.  I spoke about Excel being a good data mining client.  I was a little rushed at the end as Chris Testa-ONeill told me I had only 5 minutes to go when I had only been talking for 10 minutes.  Apparently I have a reputation for running over my time allocation.  At the event we also had a product demo from SQL Sentry around their BI monitoring dashboard solution.  This includes SSIS but the main thrust was SSAS Then came Chris with a look at Analysis Services.  If you have never heard Chris talk then take the opportunity now, he is a top class presenter and I am often found sat at the back of his classes. Here is the video link

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  • I get the following error when i open any progaram in vi please help me

    - by Adithya Chakilam
    E325: ATTENTION Found a swap file by the name ".ptr.c.swp" owned by: honey dated: Sat Oct 26 12:49:38 2013 file name: ~honey/ptr.c modified: YES user name: honey host name: honey-desktop process ID: 2542 While opening file "ptr.c" dated: Sun Nov 3 09:05:49 2013 NEWER than swap file! (1) Another program may be editing the same file. If this is the case, be careful not to end up with two different instances of the same file when making changes. Quit, or continue with caution. (2) An edit session for this file crashed. If this is the case, use ":recover" or "vim -r ptr.c" to recover the changes (see ":help recovery"). If you did this already, delete the swap file ".ptr.c.swp" to avoid this message. "ptr.c" 9L, 136C Press ENTER or type command to continue

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  • Black & White Video with Youtube

    - by RobertPitt
    Hey'a guys, I have an issue with the Youtube Player within Ubuntu, it seems that when playing videos there in black & white, no matter if there normal or HD. I kind of figured out how to prevent this from happening by deleting the cookie PREF that holds a KV Pair like so: PREF f1=50000000&fv=10.2.154 .youtube.com / Sat, 12 Mar 2011 11:38:29 GMT The issue is the Flash Version key, when I Delete this the color comes back, but obviously when I navigate to another page the cookie is set again. Does anyone know why this issue occurs and a possible fix? Using Latest Google Chrome on the latest version of Ubuntu (Installed 3 days ago) Thanks

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  • Excel Solver vs Solver Foundation

    - by JoshReuben
    I recently read a book http://www.amazon.com/Scientific-Engineering-Cookbook-Cookbooks-OReilly/dp/0596008791/ref=sr_1_1?ie=UTF8&s=books&qid=1296593374&sr=8-1 - the Excel Scientific and Engineering Cookbook.     The 2 main tools that this book leveraged were the Data Analysis Pack and Excel Solver. I had previously been aquanted with Microsoft Solver Foundation - this is a full fledged API for solving optimization problems, and went beyond being a mere Excel plugin - it exposed a C# programmatic interface for in process and a web service interface for out of process integration. were they the same? apparently not!   2 different solver frameworks for Excel: http://www.solver.com/index.html http://www.solverfoundation.com/ I contacted both vendors to get their perspectives.   Heres what the Excel Solver guys had to say:   "The Solver Foundation requires you to learn and use a very specific modeling language (OML). The Excel solver allows you to formulate your optimization problems without learning any new language simply by entering the formulas into cells on the Excel spreadsheet, something that nearly everyone is already familiar with doing.   The Excel Solver also allows you to seamlessly upgrade to products that combine Monte Carlo Simulation capabilities (our Risk Solver Premium and Risk Solver Platform products) which allow you to include uncertainty into your models when appropriate.   Our advanced Excel Solver Products also have a number of built in reporting tools for advanced analysis of the your model and it's results"           And Heres what the Microsoft Solver Foundation guys had to say:   "  With the release of Solver Foundation 3.0, Solver Foundation has the same kinds of solvers (plus a few more) than what is found in Excel Solver. I think there are two main differences:   1.      Problems are described differently. In Excel Solver the goals and constraints are specified inside the spreadsheet, in formulas. In Solver Foundation they are described either in .Net code that uses the Solver Foundation Services API, or using the OML modeling language in Excel. 2.      Solver Foundation’s primary strength is on solving large linear, mixed integer, and constraint models. That is, models that contain arbitrary nonlinear functions (such as trig functions, IF(), powers, etc) are handled a bit better by the Excel Solver at this point. "

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  • Recap of SQLSat #65

    - by RickHeiges
    Since the MVP Summit was this past week, I decided to head out to the West Coast a little earlier and attended SQLSat#65. I did not submit to speak at the conference, but I did help out some by introducing speakers in one of the rooms and a few other places where I could. I started out in a session by Scott Klein about SQLAzure. BTW, Microsoft now has a 30-day offer for SQL Azure where you do not need to provide Credit Card info. I then sat in for a while on Alan Hirt's Session on building a Cluster...(read more)

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  • HR Executive's Article on Oracle Fusion HCM

    - by jay.richey
    Curious about Fusion? Didn't make it to the HR Technology Conference in Chicago this past fall to hear Gretchen Alarcon and Bill Kutik discuss it in a candid one-on-one session? Human Resource Executive has posted the transcript of that session in an online article entitled "Fusion Unveiled". Gretchen, Vice President of Fusion HCM Applications Strategy, sat down with Bill to both discuss the mechanics of how Fusion was developed and how it works, and the benefits organizations will realize, along with a live demo of the software. Read more at http://www.hreonline.com/HRE/story.jsp?storyId=533326589 And learn more about Oracle Fusion Applications at http://www.oracle.com/fusion

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