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  • Think Before You Leap - Life is Dangerous for Change Agents

    - by technodrone
    So you want to introduce agile methods to your team... The following are some "lessons learned" when from someone who advocated agile/scrum to a group that was not ready for it. "Change agents, in my experience, face negative consequences. Sometimes, most of the time at the beginning, it's painful. This is the question you might have to ask yourself. Do you want to be a developer in scrum project or do you want be a scrum master managing the process? I think with proper mentoring/training, you can become good scrum master. But is that what you want? if yes, you can go ahead, take the training. if you want to be a developer, you may not need to be certified  as scrum master. You can just pick up from a book such as Mike Cohn new book Succeeding with Agile, I am reading it now. It's good. In my experience, I did waste my resources by trying to change the culture. It cost me lot. Instead, I should have focused on technical practices that are core to agile. Then look for teams that are good at agile. I would have saved lot of energy, and time. Try baby steps first yourself in the company, and next with the team, starting with technical practices like writing unit tests, SOLID principles, patterns, refactoring, continuous integration, pairing, and peer code reviews. These have inherent pull that can bring collaboration from a team.  Once you see team adaption in core practices, then you can introduce scrum concepts like user stories/task board etc.  This idea of Leading by example seems to be working for most of the agile folks. You can pitch core practices to the manager, and the team, and start showing them how you are doing.  You can put a road map for agile adaption and you can pitch to your manager. I would include need for scrum master training as part of the road map. " I thought about his advice for a couple of weeks and read about the pitfalls of technical debt and the team not having prior awareness of agile methods. The more I read and think about it the more I think he was right.  What do you think?

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  • Using Three Flavors of LINQ To Populate a TreeView

    LINQ is a valuable technology. LINQ to XML, LINQ to Objects and LINQ to XSD, in particular, can save valuable time for developers and produce more maintainable code. Michael describes how he used three different flavours of LINQ to map XML to a Treeview component that he used in the QueryPicker control that was the subject of a two-part article here on Simple-Talk.

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  • With MSDN and BizSpark, Cloud Computing is Closer than You Think

    Cloud computing offers significant advantages for businesses of all sizes, and it's easier to get started than you think. Microsoft makes Windows Azure compute time available for MSDN subscribers, as well as for software start-ups through the Microsoft BizSpark program. Learn why cloud computing is a good fit for you and how you can get started.

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  • With MSDN and BizSpark, Cloud Computing is Closer than You Think

    Cloud computing offers significant advantages for businesses of all sizes, and it's easier to get started than you think. Microsoft makes Windows Azure compute time available for MSDN subscribers, as well as for software start-ups through the Microsoft BizSpark program. Learn why cloud computing is a good fit for you and how you can get started.

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  • Event sourcing and persistence

    - by jgauffin
    I'm reading up on event sourcing and have a question regarding persistence. I can still have a DB with all entities, right? Or should the events be replayed every time the application is started to get the latest version of each entity in the memory? Seems like a waste on larger systems (as in large amount of data)? The point with event sourcing is that I can can replay the events to populate a data store if required? (or analyze the data)

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  • What actions does Ubuntu trigger when battery is low?

    - by blueyed
    When the battery is low, the screen gets dimmed after a few seconds already. This appears to be some special power-saving mode, and might be related to the time in org.gnome.settings-daemon.plugins.power.time-low (1200 seconds (20 minutes) the default). While this seems to get triggered by gnome-settings-daemon, I wonder what else Ubuntu does when this happens (e.g. via DBus listeners), or other event listeners that look for a "low battery" state. It seems like something in this regard causes Ubuntu / X / the system to behave more sluggish afterwards (when the laptop is on AC again), and I would like to look into what might be causing this. I could not find anything related via dconf-editor, e.g. in org.gnome.settings-daemon.plugins.power. It appears to get setup via idle_configure in plugins/power/gsd-power-manager.c, but it's probably something more related to something that listens on the DBus interface, which gets notified via e.g.: if (!g_dbus_connection_emit_signal (manager->priv->connection, NULL, GSD_POWER_DBUS_PATH, "org.freedesktop.DBus.Properties", "PropertiesChanged", props_changed, &error)) I could imagine that some "power saving" property gets set, but not unset when AC is available anymore and/or the battery is not low anymore. I have looked at the CPU governor setting (/sys/devices/system/cpu/cpu*/cpufreq/scaling_governor), but it was ondemand. I am using gnome-settings-daemon with awesomeWM on Ubuntu 14.04. gnome-settings-daemon=3.8.6.1-0ubuntu11.1 I've also compared gsd's plugins/power/gsd-power-manager.c with the one from Debian's gnome-settings-daemon-3.12.1, but could not find anything obvious that might have been fixed/changed in this regard. I have managed to trigger the gnome-power-manager's gnome-settings plugin (which dims the screen etc), by patching upower and use it after killing the system's upower daemon. (note that it's probably only energy that is being used by gpm to calculate it by itself). It does not make the system become sluggish.. OTOH I have not heard the speaker's beeping, which might come from the BIOS, which might be involved here, too - or other programs using the kernel's interface on /sys/class/power_supply/BAT0/. --- src/linux/up-device-supply.c.orig 2014-06-07 16:48:32.735920661 +0200 +++ src/linux/up-device-supply.c 2014-06-07 16:48:39.391920525 +0200 @@ -821,6 +821,9 @@ supply->priv->energy_old_first = 0; } + percentage = 3.1f; + time_to_empty = 3*60; + energy = 5; g_object_set (device, "energy", energy, "energy-full", energy_full,

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  • sudo: unable to resolve host ubuntu-server

    - by Manfred Van de Waarsenburg
    I have a problem with sudo. Every time when I trying to use sudo I got this problem: sudo: unable to resolve host ubuntu-server My /etc/hosts file: 127.0.0.1 localhost 127.0.1.1 ubuntu-server # The following lines are desirable for IPv6 capable hosts ::1 ip6-localhost ip6-loopback fe00::0 ip6-localnet ff00::0 ip6-mcastprefix ff02::1 ip6-allnodes FF02::2 ip6-allrouters /etc/hostname gives: ubuntu-server I think there is some other setting that causes the unable to resole host, but I cannot find these.

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  • How to get the blocks seen by the player?

    - by m4tx
    I'm writing a Minecraft-like game using Ogre engine and I have a problem. I must optimize my game, because when I try draw 10000 blocks, I have 2 FPS... So, I got the idea that blocks display of the plane and to hide the invisible blocks. But I have a problem - how do I know which blocks at a time are visible to the player? And - if you know of other optimization methods for such a game, write what and how to use them in Ogre.

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  • &amp;#65279;Five Simple Photo Fixes with digiKam

    <b>Linux Magazine: </b>"digiKam is an immensely powerful photo application, so learning all its features requires time and effort. But this capable photo management application also offers a few easy to use features which you can use to instantly improve your shots."

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  • The Softer Side of Customer Experience

    - by Christina McKeon
    It’s election season in the U.S., and you know what that means. It means I stop by the recycling bin in my garage before entering the house with the contents of my mailbox. A couple of weeks ago, I was doing my usual direct mail purge when I came across a piece from The Container Store®. This piece would have gone straight to the recycling bin, but the title stopped me: Learn what WE STAND FOR! Under full disclaimer, I’m probably a “frequent flier” at The Container Store. One can never be too organized! Now, back to the direct mail piece. I opened it to discover that The Container Store has taken their customer experience beyond “a shopping experience that makes you smile” to giving customers more insight and transparency into how they feel about their employees, the vendors they partner with, and the communities they live in. The direct mail piece included several employees showcasing a skill, hobby or talent with their photo and a personal note that used one word to describe what these employees believe The Container Store stands for. I do not recall the last time I read through an entire piece of direct mail. But this time, I pored over all the comments and photos.  Summer, a salesperson, believes that one word is PASSION. Thomas in distribution center inventory systems chooses the word ACTION. The list goes on to include MATCHLESS, FUN, FAMILY, LOVE, and EMPOWERMENT. The Container Store is running a contest asking you to tell them what nonprofit organization you stand for. Anyone can submit their favorite nonprofit to win cash, products and services from The Container Store. Don’t forget about the softer side of customer experience. With many organizations working feverishly to transform their business into being more customer-centric, it’s easy to get caught up in processes and technology. Focusing on people and social responsibility often falls behind and becomes a lower priority. Keeping people and social responsibility at the forefront is crucial. Your customers will use your processes and technology, but they will see or hear your people and feel their passion. The latter is what they will remember most about your brand. I’m sure there are many other great examples of the softer side of customer experience. Please share your examples in the comments section.

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  • Ubuntu 12.10 wont fully load

    - by Steve
    I want to try Ubuntu from my 16Gb stick without ditching Win7 just yet. Everything boots up fine, I get the spash screen, I get the question screen (Do you want to try Ubuntu or install (or something like that)) I select try and then my screen goes black with what appears to be a DOS prompt. No keyboard keys work at this time. Have tried re-downloading Ubuntu, rebooting etc. Any help very much appreciated. Regards Steve

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  • Google I/O 2010 - The world of ListView

    Google I/O 2010 - The world of ListView Google I/O 2010 - The world of ListView Android 201 Romain Guy, Adam Powell ListView is one of the most widely used Android widgets but also the most complex one. Join us to learn how to master ListView and learn all about its features, optimizations, quirks and limitations. For all I/O 2010 sessions, please go to code.google.com From: GoogleDevelopers Views: 4 0 ratings Time: 59:43 More in Science & Technology

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  • SignalR Book

    - by eddraper
    Originally posted on: http://geekswithblogs.net/eddraper/archive/2013/06/30/signalr-book.aspx  Just finished SignalR: Real-time Application Development from Packt Publishing.  It’s a really great read for those wanting a holistic view of SignalR as a true application building block.  In many respects I think that SignalR could end up being a game changer for entirely new classes of both apps and frameworks. I’d love to see the puppy plugged into a rich client side ORM…

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  • WebCenter Customer Spotlight: Sberbank of Russia

    - by me
    Author: Peter Reiser - Social Business Evangelist, Oracle WebCenter  Solution SummarySberbank of Russia is the largest credit institution in Russia and the Commonwealth of Independent States (CIS), accounting for 27% of Russian banking assets and 26% of Russian banking capital.Sberbank of Russia needed to increase business efficiency and employee productivity due to the growth in its corporate clientele from 1.2 million to an estimated 1.6 million.Sberbank of Russia deployed Oracle’s Siebel Customer Relationship Management (CRM) applications to create a single client view, optimize client communication, improve efficiency, and automate distressed asset processing. Based on Oracle WebCenter Content, they implemented an enterprise content management system for documents, unstructured content storage and search, which became an indispensable service across the organization and in the board room business results. Sberbank of Russia consolidated borrower information across the entire organization into a single repository to obtain, for the first time, a single view on the bank’s borrowers. With the implemented solution they reducing the amount of bad debt significantly. Company OverviewSberbank of Russia is the largest credit institution in Russia and the Commonwealth of Independent States (CIS), accounting for 27% of Russian banking assets and 26% of Russian banking capital. In 2010, it ranked 43rd in the world for Tier 1 capital. Business ChallengesSberbank of Russia needed to increase business efficiency and employee productivity due to the growth in its corporate clientele from 1.2 million to an estimated 1.6 million. It also wanted to automate distressed asset management to reduce the number of corporate clients’ bad debts. As part of their business strategy they wanted to drive high-quality, competitive customer services by simplifying client communication processes and enabling personnel to quickly access client information Solution deployedSberbank of Russia deployed Oracle’s Siebel Customer Relationship Management (CRM) applications to create a single client view, optimize client communication, improve efficiency, and automate distressed asset processing. Based on Oracle WebCenter Content, they implemented an enterprise content management system for documents, unstructured content storage and search which became an indispensable service across the organization and in the board room business results. Business ResultsSberbank of Russia consolidated borrower information across the entire organization into a single repository to obtain, for the first time, a single view on the bank’s borrowers. They monitored 103,000 client transactions and 32,000 bank cards with credit collection issues (100% of Sberbank’s bad borrowers) reducing the amount of bad debt significantly. “Innovation and client service are the foundation of our business strategy. Oracle’s Siebel CRM applications helped advance our objectives by enabling us to deliver faster, more personalized service while managing and tracking distressed assets.” A.B. Sokolov, Head of Center of Business Administration and Customer Relationship Management, Sberbank of Russia Additional Information Sberbank of Russia Customer Snapshot Oracle WebCenter Content Siebel Customer Relationship Management 8.1 Oracle Business Intelligence, Enterprise Edition 11g

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  • Using Apps Script with Twilio

    Using Apps Script with Twilio In this episode we talk about integrating SMS and phone calls with Google Apps via Twilio, a voice and SMS provider. We show you the basics of the API as well as how to bring voice calls and SMS into spreadsheets and docs. You can download the source code for the demos here: github.com From: GoogleDevelopers Views: 1247 34 ratings Time: 27:57 More in Science & Technology

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  • How do you prevent inflation in a virtual economy?

    - by Tetrad
    With your typical MMORPG, players can usually farm the world for raw materials essentially forever. Monsters/mineral veins/etc are usually on some respawn timer so, other than time, there really isn't a good way to limit the amount of new currency entering the system. So that really only leaves money sinks to try to take money out of the system. What are some strategies to prevent inflation of the in-game currency?

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  • Google I/O 2012 - Go in Production

    Google I/O 2012 - Go in Production Andrew Gerrand Since Go's release in 2009 many companies (besides Google, of course) have used the language to build cool stuff. In this session programmers from several companies will share their first-hand experience using Go in production environments. For all I/O 2012 sessions, go to developers.google.com From: GoogleDevelopers Views: 182 4 ratings Time: 49:45 More in Science & Technology

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  • Error When installing ubuntu

    - by Chris
    I downloaded the files from ubuntu and ran wubi.exe assuming that is how i install ubuntu. (This is my first time installing anything other than windows and not using a CD.) Ubuntu Installer completed but said there was an error. The error message was: An Error Occurred File Not Found For more information, please see the log file: c:\users\joebob787\temp\wubi-12.10-rev273.log Contents of the wubi log listed above are here: http://pastebin.com/CEdAGt0d Any help would be appreciated.

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  • eSTEP Newsletter November 2012

    - by mseika
    Dear Partners,We would like to inform you that the November '12 issue of our Newsletter is now available.The issue contains information to the following topics: News from CorpOracle Celebrates 25 Years of SPARC Innovation; IDC White Papers Finds Growing Customer Comfort with Oracle Solaris Operating System; Oracle Buys Instantis; Pillar Axiom OpenWorld Highlights; Announcement Oracle Solaris 11.1 Availability (data sheet, new features, FAQ's, corporate pages, internal blog, download links, Oracle shop); Announcing StorageTek VSM 6; Announcement Oracle Solaris Cluster 4.1 Availability (new features, FAQ's, cluster corp page, download site, shop for media); Announcement: Oracle Database Appliance 2.4 patch update becomes available Technical SectionOracle White papers on SPARC SuperCluster; Understanding Parallel Execution; With LTFS, Tape is Gaining Storage Ground with additional link to How to Create Oracle Solaris 11 Zones with Oracle Enterprise Manager Ops Center; Provisioning Capabilities of Oracle Enterprise Ops Center Manager 12c; Maximizing your SPARC T4 Oracle Solaris Application Performance with the following articles: SPARC T4 Servers Set World Record on Siebel CRM 8.1.1.4 Benchmark, SPARC T4-Based Highly Scalable Solutions Posts New World Record on SPECjEnterprise2010 Benchmark, SPARC T4 Server Delivers Outstanding Performance on Oracle Business Intelligence Enterprise Edition 11g; Oracle SUN ZFS Storage Appliance Reference Architecture for VMware vSphere4; Why 4K? - George Wilson's ZFS Day Talk; Pillar Axiom 600 with connected subjects: Oracle Introduces Pillar Axiom Release 5 Storage System Software, Driving down the high cost of Storage, This Provisioning with Pilar Axiom 600, Pillar Axiom 600- System overview and architecture; Migrate to Oracle;s SPARC Systems; Top 5 Reasons to Migrate to Oracle's SPARC Systems Learning & EventsRecently delivered Techcasts: Learning Paths; Oracle Database 11g: Database Administration (New) - Learning Path; Webcast: Drill Down on Disaster Recovery; What are Oracle Users Doing to Improve Availability and Disaster Recovery; SAP NetWeaver and Oracle Exadata Database Machine ReferencesARTstor Selects Oracle’s Sun ZFS Storage 7420 Appliances To Support Rapidly Growing Digital Image Library, Scottish Widows Cuts Sales Administration 20%, Reduces Time to Prepare Reports by 75%, and Achieves Return on Investment in First Year, Oracle's CRM Cloud Service Powers Innovation: Applications on Demand; Technology on Demand, How toHow to Migrate Your Data to Oracle Solaris 11 Using Shadow Migration; Using svcbundle to Create SMF Manifests and Profiles in Oracle Solaris 11; How to prepare a Sun ZFS Storage Appliance to Serve as a Storage Devise with Oracle Enterprise Manager Ops Center 12c; Command Summary: Basic Operations with the Image Packaging System In Oracle Solaris 11; How to Update to Oracle Solaris 11.1 Using the Image Packaging System, How to Migrate Oracle Database from Oracle Solaris 8 to Oracle Solaris 11; Setting Up, Configuring, and Using an Oracle WebLogic Server Cluster; Ease the Chaos with Automated Patching: Oracle Enterprise Manager Cloud Control 12c; Book excerpt: Oracle Exalogic Elastic Cloud HandbookYou find the Newsletter on our portal under eSTEP News ---> Latest Newsletter. You will need to provide your email address and the pin below to get access. Link to the portal is shown below.URL: http://launch.oracle.com/PIN: eSTEP_2011Previous published Newsletters can be found under the Archived Newsletters section and more useful information under the Events, Download and Links tab. Feel free to explore and any feedback is appreciated to help us improve the service and information we deliver.Thanks and best regards,Partner HW Enablement EMEA

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  • App Scripts Office Hours - August 30, 2012

    App Scripts Office Hours - August 30, 2012 In this week's episode of Google Apps Script office hours, Eric and Ikai: - Highlight a blog post on Google Analytics in Apps Script (goo.gl - Answer questions about Charts Dashboards and other topics. - Discuss the upcoming Apps Script hackathon in Austin, Texas (goo.gl To find out when the next office hours will be held visit: developers.google.com From: GoogleDevelopers Views: 135 16 ratings Time: 33:51 More in Science & Technology

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  • Quick Tip - Speed a Slow Restore from the Transaction Log

    - by KKline
    Here's a quick tip for you: During some restore operations on Microsoft SQL Server, the transaction log redo step might be taking an unusually long time. Depending somewhat on the version and edition of SQL Server you've installed, you may be able to increase performance by tinkering with the readahead performance for the redo operations. To do this, you should use the MAXTRANSFERSIZE parameter of the RESTORE statement. For example, if you set MAXTRANSFERSIZE=1048576, it'll use 1MB buffers. If you...(read more)

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  • Creating WPF Prototypes with SketchFlow

    Prototyping with Sketchflow transforms what was once a frustrating and time-consuming chore. With SketchFlow, WPF prototypes can be created and changed with amazing ease. SketchFlow is WPF's secret weapon. Well, it was secret until Michael Sorens produced this article.

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  • Static file download from browser breaking in varnish but works fine in Apache

    - by Ron
    I would at first like to thank everyone at serverfault for this great website and I also come to this site while searching in google for various server related issues and setups. I also have an issue today and so I am posting here and hope that the seniors would help me out. I had setup a website on a dedicated server a few days ago and I used Varnish 3 as the frontend to Apache2 on a Debian Lenny server as the traffic was a bit high. There are several static file downloads of around 10-20 MB in size in the website. The website looked fine in the last few days after I setup. I was checking from a 5mbps + broadband connection and the file downloads were also completed in seconds and working fine. But today I realized that on a slow internet connection the file downloads were breaking off. When I tried to download the files from the website using a browser then it broke off after a minute or so. It kept on happening again and again and so it had nothing to do with the internet connection. The internet connection was around 512 kbps and so it was not dial up level speed too but decent speed where files should easily download though not that fast. Then I thought of trying out with the apache backend port and used the port number to check out if the problem occurs. But then on adding the apache port in the static file download url, the files got downloaded easily and did not break even once. I tried it several times to make sure that it was not a coincidence but every time I was using the apache port in the file download url then it was downloading fine while it was breaking each time with the normal link which was routed through Varnish I suppose. So, it seems Varnish has somehow resulted in the broken file downloads. Could anyone give any idea as to why it is happening and how to fix the problem. For more clarification, take this example: Apache backend set on port 8008, Varnish frontend set on port 80 Now when I download say http://mywebsite.com/directory/filename.extension Then the download breaks off after a minute or so. I cannot be sure it is due to the time or size though and I am just assuming. May be some other reason too. But when I download using: http://mywebsite.com:8008/directory/filename.extension Then the file download does not break at all and it gets download fine. So, it seems that varnish is somehow creating the file download breaking and not apache. Does anybody have any idea as to why it is happening and how can it be fixed. Any help would be highly appreciated. And my varnish default.vcl is backend apache { set backend.host = "127.0.0.1"; set backend.port = "8008"; } sub vcl_deliver { remove resp.http.X-Varnish; remove resp.http.Via; remove resp.http.Age; remove resp.http.Server; remove resp.http.X-Powered-By; }

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  • Ubuntu in its own words

    <b>Tux Radar:</b> "To kill the time between now and the announcement of what's to come in the next version, we decided to take a look at the keywords used to describe previous Ubuntu releases to see how priorities have changed over the years"

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