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• Cloud Computing - just get started already!

  - by BuckWoody

  OK - you've been hearing about "cloud" (I really dislike that term, but whatever) for over two years. You've equated it with just throwing some VM's in some vendor's datacenter - which is certainly part of it, but not the whole story. There's a whole world of - wait for it - *coding* out there that you should be working on. If you're a developer, this is just a set of servers with operating systems and the runtime layer (like.NET, Java, PHP, etc.) that you can deploy code to and have it run. It can expand in a horizontal way, allowing massive - and I really, honestly mean massive, not just marketing talk kind of scale. We see this every day. If you're not a developer, well, now's the time to learn. Explore a little. Try it. We'll help you. There's a free conference you can attend in November, and you can sign up for it now. It's all on-line, and the tools you need to code are free. Put down Facebook and Twitter for a minute - go sign up. Learn. Do. :) See you there. http://www.windowsazureconf.net/

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• How do I fix a garbled screen on a Gateway LT3103u?

  - by paracaudex

  I've been having garbled screen problems on a Gateway LT3103u on Ubuntu for a while. I just did a fresh install of Ubuntu 11.10 and continue to have issues. I installed xubuntu-desktop in case the issues had to do with the sophisticated GNOME graphics. The problem is less bad, but it's still there. After a few minutes of using XFCE, the screen gets garbled. I assume this has something to do with the graphics card, but I don't know how to go about troubleshooting something like this. Where should I start? Update: Here is the description of the VGA card from lspci -vvv: 01:05.0 VGA compatible controller: ATI Technologies Inc RS690M [Radeon X1200 Series] (prog-if 00 [VGA controller]) Subsystem: Acer Incorporated [ALI] Device 028c Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast TAbort- SERR- [disabled] Capabilities: [50] Power Management version 2 Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit+ Address: 0000000000000000 Data: 0000 Kernel driver in use: radeon Kernel modules: radeon Update: Setting GRUB_CMDLINE_LINUX="nomodeset" in /etc/default/grub seems to have fixed it in both Ubuntu and xubuntu-desktop. I will test it for a day or so to see if the problems recur and then post more detail with some links to an explanation. Update 2: It is possible to use this fix for Nvidia card (GTX 260) when graphics is defective after 11.10 upgrade/install? First few restarts was graphic ok, then after few restarts begins suddenly be defective and it stay so. I must returned to 11.04 because this problem and I wait for 12.04. So I hope in this fix.

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• Disable pasting in a textbox using jQuery

  - by Michel Grootjans

  I had fun writing this one My current client asked me to allow users to paste text into textboxes/textareas, but that the pasted text should be cleaned from '<...>' tags. Here's what we came up with: $(":input").bind('paste', function(e) { var el = $(this); setTimeout(function() { var text = $(el).val(); $(el).val(text.replace(/<(.*?)>/gi, '')); }, 100); }) ; This is so simple, I'm amazed. The first part just binds a function to the paste operation applied to any input  declared on the page. $(":input").bind('paste', function(e) {...}); In the first line, I just capture the element. Then wait for 100ms setTimeout(function() {....}, 100); then get the actual value from the textbox, and replace it with a regular expression that basically means replace everything that looks like '<{0}>' with ''. gi at the end are regex arguments in javascript. /<(.*?)>/gi

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• Problem connecting to isp server using xl2tpd as client. Ubuntu server 13.04

  - by Deon Pretorius

  I have followed guides found on google and ubuntu support pages and can get xl2tpd connection up but only under the following conditions: 1 - ADSL model must be configured and connected to the ISP or 2 - ADSL modem in bridge mode I must have an existing PPPoe connection established. If neither of the above are active xl2tpd wont trigger pppd and connect to the isp and thus tunnel connection fails to connect to the L2TP server of the ISP. Am I doing something wrong; /etc/ppp/options.l2tpd.axxess ipcp-accept-local ipcp-accept-remote refuse-eap refuse-chap require-pap noccp noauth idle 1800 mtu 1200 mru 1200 defaultroute usepeerdns debug lock connect-delay 5000 name (name used for ppp connection) /etc/ppp/pap-secrets # * password (name used for ppp connection as above) * (ppp password supplied by isp) /etc/xl2tpd/xl2tpd.conf [global] ; Global parameters: auth file = /etc/xl2tpd/l2tp-secrets ; * Where our challenge secrets are access control = yes ; * Refuse connections without IP match debug tunnel = yes [lac axxess] lns = 196.30.121.50 ; * Who is our LNS? redial = yes ; * Redial if disconnected? redial timeout = 5 ; * Wait n seconds between redials max redials = 5 ; * Give up after n consecutive failures hidden bit = yes ; * User hidden AVP's? length bit = yes ; * Use length bit in payload? require pap = yes ; * Require PAP auth. by peer require chap = no ; * Require CHAP auth. by peer refuse chap = yes ; * Refuse CHAP authentication require authentication = yes ; * Require peer to authenticate name = BLA85003@axxess ; * Report this as our hostname ppp debug = yes ; * Turn on PPP debugging pppoptfile = /etc/ppp/options.l2tpd.axxess ; * ppp options file for this lac /etc/xl2tpd/l2tp-secrets # Secrets for authenticating l2tp tunnels # us them secret # * marko blah2 # zeus marko blah # * * interop * vzb_l2tp (*** secret supplied by isp) ^ isp server host name Any help will be greatly appreciated

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• Order in which passphrase is asked for encrypted volumes

  - by Lars Kotthoff

  I have installed 12.10 on a machine with two disks. The root partition is on one disk, the swap partition on the other. Both disks are encrypted and I have added the corresponding entries to /etc/crypttab. During boot, it asks for the passphrase for the disk with the root filesystem. Then it continues booting and gets to the login screen before I get a chance to enter the passphrase for the other disk. After logging in, I verified that it was actually waiting for me to enter the passphrase for that second partition (askpass process is running). But at that point, I have no way of entering the passphrase anymore. The manpage for crypttab suggests that the order in which the volumes are specified matters, so I changed it to have the swap disk first. I updated the initramfs and grub afterwards, but it didn't make any difference. How can I specify the order in which the encrypted partitions are unlocked? I'm looking for a solution that either asks for the swap passphrase first or tells the system to wait until all encrypted partitions are unlocked before displaying the login screen.

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• Oracle Developer Day, Romania, 2012

  - by Geertjan

  I'm on the way back from a great experience in Cluj, Romania: the Oracle Developer Day that was held here today. After the Oracle Developer Day in Warsaw, two days ago, I flew to Bucharest and then had to wait about 6 hours for the flight to Cluj. So I spent several of those hours in a taxi, with a very nice driver who showed me all over the place in Bucharest, such as the Palace of Parliament (according to Wikipedia, "the world's largest civilian building, most expensive administrative building, and heaviest building"): He also taught me a lot of Romanian. (My current phonetic-based vocabulary can be admired and/or ridiculed here.) Meeting Emilian Bold (third on the right below) from the NetBeans Dream Team was a definite highlight: The above shows the three speakers on the Java Track "preparing" for their sessions; me, Lukas Jungmann, and Emilian Bold. In Oracle's Gregor Rayman's keynote, this particular slide responded well to my NetBeans heart: The "Java Track" had sessions on Java EE 6, the NetBeans Platform, and Java Web Services, as well as "What's New in NetBeans IDE 7.1", where Emilian, shown in action below, outlined the NetBeans community, e.g., the NetBeans Dream Team and the NetBeans governance board. (But it was all in Romanian so I'm not really sure what was said exactly!) Finally, there was time to recover from the whole day, right before my trip back to Bucharest: All in all a great day! Looking forward to remaining in touch with the many people I met today.

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• Which Open Source Licenses can address concerns for an Open Source Game Engine?

  - by Chris

  I am on a team that is looking to open source an engine we are building. It's intended as an engine for Online RPG style games. We're writing it to work on both desktops and android platforms. I've been over to the OSI http://opensource.org/licenses/category to check out the most common licenses. However, this will be my first time going into an open source project and I wanted to know if the community had some insight into which licenses might be best suited. Key licensing concerns: Removing or limiting our liability (most already seem to cover this, but stating for completeness). We want other developers to be able to take part or all of our project and use it in their own projects with proper accreditation to our project. Licensing should not hinder someone's ability to quickly use the engine. They should be able to download a release and start using it without needing to wait on licensing issues. Game content (gfx, sound, etc.) that is not part of the engine should be allowed to be licensed separately. If someone is using our engine, they can retain full copy right of their content, including engine generated data. Our primary goal is exposure, which is why we're going open source to start with. Both for the project and for the individuals developing it. Are there any licenses that can require accreditation visible to players? While I'd put our primary goal as exposure, for licensing the accreditation is less of a concern. From what I've read through (and have been able to understand) it doesn't seem like any of the licenses cover anything that is produced by the licensed software. Are there any that state this specifically, or does simply not mentioning it leave it open for other licensing? Are there any other concerns that we should consider? Has anyone had any issues using any of these licenses?

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• OpenGL profiling with AMD PerfStudio 2

  - by Aurus

  I'm rendering just a really small amount of polygons for my UI but however I still tried to increase the FPS. In the end I removed redundant calls which increased the FPS. I really don't want to lose FPS for nothing so I keep looking for more improvements. The first thing I noticed is the "huge" time where no calls are made before SwapBuffer (the black one). Well I know that OpenGL works asynchronous so SwapBuffer has to wait until everything is done. But shouldn't PerfStudio mark this time also as black ? Correct me If I am wrong. The second thing I noticed is that some glUniform2f calls just take longer (the brown ones). I mean they should all upload 2floats to the GPU how can the time be so different from call to call. The program isn't even changed or something like that. I also tried to look at other programs like gDebugger or CodeXL but they often crashed and they show less statistics (only # of calls or redundant calls etc.) EDIT: I also realized that the draw calls also have different durations, which was obvious for me but sometimes drawing more vertices is faster than drawing less vertices.

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• Outlook macro runs through 250 iterations before failing with error [migrated]

  - by Senoculus

  Description: I have an Outlook macro that loops through selected emails in a folder and writes down some info to a .csv file. It works perfectly up until 250 before failing. Here is some of the code: Open strSaveAsFilename For Append As #1 CountVar = 0 For Each objItem In Application.ActiveExplorer.Selection DoEvents If objItem.VotingResponse <> "" Then CountVar = CountVar + 1 Debug.Print " " & CountVar & ". " & objItem.SenderName Print #1, & objItem.SenderName & "," & objItem.VotingResponse Else CountVar = CountVar + 1 Debug.Print " " & CountVar & ". " & "Moving email from: " & Chr(34) & objItem.SenderName & Chr(34) & " to: Special Cases sub-folder" objItem.Move CurrentFolderVar.Folders("Special Cases") End If Next Close #1 Problem After this code runs through 250 emails, the following screenshot pops up: http://i.stack.imgur.com/yt9P8.jpg I've tried adding a "wait" function to give the server a rest so that I'm not querying it so quickly, but I get the same error at the same point.

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• Clustering and custom applications

  - by Ahmed ilyas

  I was not entirely sure what tags to put but hope this is ok. This is just a general question in regards to clustering and applications: so lets say we have a clustered environment setup. We cluster SQL Server (I dont know exactly how its done but lets just say its been done for the sake of argument). Now if a website or application is trying to access that database for read/write (say an ASP.NET app or a C# Winforms app) and during that time SQL goes down - it takes a couple of minutes for the clustering failover to take affect to switch to another node. What happens during this time? I think it will time out/unable to connect. BUT is there a way for it to place the request in some pipeline so when the cluster node is back up/switched over it will continue as normal? as you can see, I know nothing much about clustering! what about your own custom .NET apps? Would there be a special way to develop them? I know that you can say create a simple Hello world app, and cluster that but they wouldnt be something you could see interms of the UI or anything, so they would effectively need to be developed as a Windows Service perhaps or even as a standard Console app which runs and not wait for user input but you wouldnt see any output from it (unless you redirect output to somewhere else) What im getting at here is... for those who have experience or developed a cluster application in .NET, how did you do it and what are the things to be aware of? For example we have the cloud service - fundamentally its built on clustering - if there is an outage, another node takes place and service is resumed as normal but we dont really see much of that downtime.

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• Import SSIS Project in Denali CTP1

  For years Analysis Services has had the ability to take an existing database from a server and reverse engineer it into a BIDS project.  This is extremely useful when all you have is the running instance of the database and the project that created it has long since disappeared.  Reverse engineering has never been a feature of SSIS until now. Let me walk you through the simple steps. The first step is that you obviously have to have a project deployed to an SSIS Catalog.  I will do a video on this soon but in case you can’t wait then my good buddy Jamie Thomson has written it up here As you can see I have a project called imaginatively “Denali1” with one package “Package.dtsx” The next thing we need to do is fire up BIDS and choose the right project type (Integration Services Import Project) Now we just follow the wizard.  We make sure we specify on which server to find the Catalog and in which folder to look for the project. Next the setting are validated and we are greeted with the familiar review screen before the creation of our new project from the deployed project happens Hit Import and away we go The result is just what we wanted.

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• Copying photos from camera stalls - how to track down issue?

  - by Hamish Downer

  When I copy files from my camera (connected via USB) to the SSD in my laptop a few files get copied and then the copy stalls. I'm not sure why, any ideas or things to investigate appreciated, or bug reports to go and look at. I have read this answer - the camera (Canon 40D in case that matters) mounts fine using gvfs. I can see the photos in Nautilus, or in the terminal (in /run/user/username/gvfs/... ) and I can copy a few photos, but not many. Using the terminal or Nautilus the process hangs until the camera goes to sleep. Digikam fails to copy any at all, as does Rapid Photo Downloader. Shotwell did manage it in the end, but that is very much a work around for me. I have disabled thumbnail generation by nautilus. Load average stays about 1 while this is happening, while CPU usage is half idle, half wait (and a little user/sys for other programs). None of the programs at the top of the cpu list in top are related to copying photos. There is not much in the logs - from /var/log/syslog Dec 2 16:20:52 mishtop dbus[945]: [system] Activating service name='org.freedesktop.UDisks' (using servicehelper) Dec 2 16:20:52 mishtop dbus[945]: [system] Successfully activated service 'org.freedesktop.UDisks' Dec 2 16:21:24 mishtop kernel: [ 2297.180130] usb 2-2: new high-speed USB device number 4 using ehci_hcd Dec 2 16:21:24 mishtop kernel: [ 2297.314272] usb 2-2: New USB device found, idVendor=04a9, idProduct=3146 Dec 2 16:21:24 mishtop kernel: [ 2297.314278] usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 Dec 2 16:21:24 mishtop kernel: [ 2297.314283] usb 2-2: Product: Canon Digital Camera Dec 2 16:21:24 mishtop kernel: [ 2297.314287] usb 2-2: Manufacturer: Canon Inc. Dec 2 16:21:24 mishtop mtp-probe: checking bus 2, device 4: "/sys/devices/pci0000:00/0000:00:1d.7/usb2/2-2" Dec 2 16:21:24 mishtop mtp-probe: bus: 2, device: 4 was not an MTP device This problem has only started recently and I've had all the hardware for ages. I have also recently upgraded to 12.10, though I'm not sure if the problem started when I upgraded or after the upgrade. I also note this similar question but it is currently unanswered and I'm providing more detail

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• How to SEO Optimize Javascript Image Loader?

  - by skibulk

  I am building an image-centric catalog website. It catalogs collectible gaming cards numbering 100,000+ pages. Competitor sites recieve millions of hits each month, so with the possibility of excessive traffic, I need to moderate image bandwidth while also optimizing for image SEO. I'm looking for some tips on doing so. Each page on the site features one card with appropriate tags and descriptions. There are however four images for each card - one on matte cardstock, one on foil cardstock, one digital, and one digital foil. In a world with unlimited bandwidth and no-wait page loads, I'd simply embed all four images on the main product page with titles, alt tags, and captions to rank them according to their version keyword. In reality a javascript gallery image loader seems appropriate. Here is a simplified example of my current code. Would this affect SEO in any way? Should I be doing anything differently? Note that I don't want to create a page for each image as I'd have to duplicate the card tags and descriptions on each one, diluting PR for the main page. Thanks for any insight! <script type="text/javascript"> document.write(' <img src="thumbnail1.jpg" data-src="version1.jpg"> <img src="thumbnail2.jpg" data-src="version2.jpg"> <img src="thumbnail3.jpg" data-src="version3.jpg"> <img src="thumbnail4.jpg" data-src="version4.jpg"> '); </script> <noscript> <img src="version1.jpg"> <img src="version2.jpg"> <img src="version3.jpg"> <img src="version4.jpg"> </noscript>

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• Is dependency injection by hand a better alternative to composition and polymorphism?

  - by Drake Clarris

  First, I'm an entry level programmer; In fact, I'm finishing an A.S. degree with a final capstone project over the summer. In my new job, when there isn't some project for me to do (they're waiting to fill the team with more new hires), I've been given books to read and learn from while I wait - some textbooks, others not so much (like Code Complete). After going through these books, I've turned to the internet to learn as much as possible, and started learning about SOLID and DI (we talked some about Liskov's substitution principle, but not much else SOLID ideas). So as I've learned, I sat down to do to learn better, and began writing some code to utilize DI by hand (there are no DI frameworks on the development computers). Thing is, as I do it, I notice it feels familiar... and it seems like it is very much like work I've done in the past using composition of abstract classes using polymorphism. Am I missing a bigger picture here? Is there something about DI (at least by hand) that goes beyond that? I understand the possibility of having configurations not in code of some DI frameworks having some great benefits as far as changing things without having to recompile, but when doing it by hand, I'm not sure if it's any different than stated above... Some insight into this would be very helpful!

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• How do I install Ubuntu 13.10 from a partition on my Mac?

  - by Barry

  I am trying to install Ubuntu 13.10 on my Macbook Air. I've previously had no issue installing from a USB stick to this machine. However, I don't currently have access to a USB stick or any external media at all! What I've done so far is partitioned my SSD into 3 partitions. One holds OS X, another is a 5gb partition intended for the install ISO, and a third is intended to be the target for that install. The second two partitions are formatted as FAT. I've used dd (with and without bs=1m) to "burn" my ISO to the small 5gb FAT partition. I also at one point tried using hdituil to convert my ISO file to IMG and went through the same process with same result below. After "burning" my ISO to the small partition, I reboot into Refind. Refind sees my small 5gb partition perfectly well, and when I select that partition it loads GRUB appropriately. However, from here, regardless of what I choose, Ubuntu will start to load and then after a few minutes crash out to: BuzyBox V1.15.3 (Ubuntu 1:1.15.3-1ubuntu5) built-in shell (ash) Enter 'help' for a list of built in commands. (initramfs) unable to find a medium containing a live file system. I've Googled this error and found a number of people encountering it when trying to install from USB, but no solutions seem applicable to my case (installing from a partition on my SSD, to another partition on my SSD). Is there any solution to this, or do I just need to wait a few days until I have access to a USB stick? Many thanks in advance, and apologies for length -- I figured I'd err on the side of being exhaustive rather than having people suggest things I've already tried.

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• Problems with Ubuntu and AMD A10-4655M APU

  - by Robert Hanks

  I have a new HP Sleekbook 6z with AMD A10-4655M APU. I tried installing Ubuntu with wubi--the first attempt ended up with a 'AMD unsupported hardware' watermark that I wasn't able to remove (the appeared when I tried to update the drivers as Ubuntu suggested) On the second attempted install Ubuntu installed (I stayed away from the suggested drivers) but the performance was extremely poor----as in Windows Vista poor. I am not sure what the solution is--if I need to wait until there is a kernel update with Ubuntu or if there are other solutions--I realise this is a new APU for the market. I would love to have Ubuntu 12.04 up and running--Windows 7 does very well with this new processor so Ubuntu should, well, be lightening speed. The trial on the Sleekbook with Ubuntu 12.10 Alpha 2 release was a complete failure. I created a bootable USB. By using either the 'Try Ubuntu' or 'Install Ubuntu' options resulted in the usual purple Ubuntu splash screen, followed by nothing...as in a black screen without any hint of life. Interestingly one can hear the Ubuntu intro sound. In case you are wondering, this same USB was trialed subsequently on another computer with and Intel Atom Processor. Worked flawlessly. Lastly the second trial on the Sleekbook resulted in the same results as the first paragraph. Perhaps 12.10 Beta will overcome this issue, or the finalised 12.10 release in October. I don't have the expertise to know what the cause of the behaviour is-the issue could be something else entirely. Sadly, the Windows 7 performance is very good with this processor-very similar and in some instances better to the 2nd generation Intel i5 based computer I use at my workplace. Whatever the cause is for the performance with Ubuntu 12.04 or 12.10 Alpha 2, the situation doesn't bode well for Ubuntu. Ubuntu aside, the HP Sleekbook is a good performer for the price. I am certain once the Ubuntu issue is worked on and solutions arise, the Ubuntu performance will probably be better than ever.

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• High Performance SQL Views Using WITH(NOLOCK)

  - by gt0084e1

  Every now and then you find a simple way to make everything much faster. We often find customers creating data warehouses or OLAP cubes even though they have a relatively small amount of data (a few gigs) compared to their server memory. If you have more server memory than the size of your database or working set, nearly any aggregate query should run in a second or less. In some situations there may be high traffic on from the transactional application and SQL server may wait for several other queries to run before giving you your results. The purpose of this is make sure you don’t get two versions of the truth. In an ATM system, you want to give the bank balance after the withdrawal, not before or you may get a very unhappy customer. So by default databases are rightly very conservative about this kind of thing. Unfortunately this split-second precision comes at a cost. The performance of the query may not be acceptable by today’s standards because the database has to maintain locks on the server. Fortunately, SQL Server gives you a simple way to ask for the current version of the data without the pending transactions. To better facilitate reporting, you can create a view that includes these directives. CREATE VIEW CategoriesAndProducts AS SELECT * FROM dbo.Categories WITH(NOLOCK) INNER JOIN dbo.Products WITH(NOLOCK) ON dbo.Categories.CategoryID = dbo.Products.CategoryID In some cases quires that are taking minutes end up taking seconds. Much easier than moving the data to a separate database and it’s still pretty much real time give or take a few milliseconds. You’ve been warned not to use this for bank balances though. More from Data Stream

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• foobar.com working, but www.foobar.com not working?

  - by dpmattingly

  I am setting up a web site for a client. She is using GoDaddy for domain registration, and a hosting company I have never used before. After setting up the nameservers on GoDaddy's side, the address foobar.com (for example) is correctly directing to the new site. However, the address www.foobar.com is redirecting to a 404 page on the hosting company's side. I've been dealing with customer service on the hosting side, and they have told me various things including wait for DNS propagation (which has obviously happened since the 404 page is on their side), and to make sure that the nameservers on GoDaddy's side were entered in lower case instead of upper case (which I know doesn't matter since nameservers are case insensitive). I think I'm getting the runaround from the hosting company, but the client had signed up with them before I came to the project, so if possible I'd like to resolve this issue with them before we start treating it as a loss. Does anybody know what could cause foobar.com to resolve correctly but www.foobar.com to not resolve? How would I best be able to suggest a fix to this through the technical support channels of a hosting company?

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• Oracle BPM overview and roadmap session on Monday, October 1st

  - by Manoj Das

  Bhagat Nainani and I, Manoj Das, will present a session on Oracle BPM overview and road map on Monday, October 1 2012, from 12:15-1:15 PM at Moscone South - 308. Since last OpenWorld, many good things have happened. Many customers have gone live with their BPM 11g deployments, some of whom were nominated for the Innovation Awards. From a product perspective, we delivered 11.1.1.6 and 11.1.1.7 is just around the corner. We will discuss some of the highlights related to both customer successes and product features. In particular, we will present some of the exciting new capabilities that we are introducing in 11.1.1.7 around business analyst driven model-to-execution, more comprehensive unified BPM suite, more flexible and manageable BPM. Another significant development is the release of Process Accelerators. We have not only released accelerators, we have ourselves deployed and are using them internally. We will talk about accelerators as well as our learnings. As the title suggests, we will also share some aspects of our roadmap - there are some very exciting things brewing that I can't wait to share with you on Monday. Hoping to see you on Monday. Again, the session is in Moscone South - 308 from 12:15-1:15. Looking forward to your tweets on the session - remember to use #oraclebpm and #oow. Finally, as always, feel free to ask Bhagat and me any questions you have, during the session as well as after the session.

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• We'll be at QCon San Francisco!

  - by Carlos Chang

  Oracle Technology Network is a Platinum sponsor at QCon San Francisco. Don’t miss these great developer focused sessions: Shay Shmeltzer - How we simplified Web, Mobile and Cloud development for our own developers? - the Oracle Story Over the past several years, Oracle has beendeveloping a new set of enterprise applications in what is probably one of the largest Java based development project in the world. How do you take 3000 developers and make them productive? How do you insure the delivery of cutting edge UIs for both Mobile and Web channels? How do you enable Cloud based development and deployment? Come and learn how we did it at Oracle, and see how the same technologies and methodologies can apply to your development efforts. Dan Smith - Project Lambda in Java 8 Java SE 8 will include major enhancements to the Java Programming Language and its core libraries.  This suite of new features, known as Project Lambda in the OpenJDK community, includes lambda expressions, default methods, and parallel collections (and much more!).  The result will be a next-generation Java programming experience with more flexibility and better abstractions.   This talk will introduce the new Java features and offer a behind-the-scenes view of how they evolved and why they work the way that they do. Arun Gupta - JSR 356: Building HTML5 WebSocket Applications in Java The family of HTML5 technologies has pushed the pendulum away from rich client technologies and toward ever-more-capable Web clients running on today’s browsers. In particular, WebSocket brings new opportunities for efficient peer-to-peer communication, providing the basis for a new generation of interactive and “live” Web applications. This session examines the efforts under way to support WebSocket in the Java programming model, from its base-level integration in the Java Servlet and Java EE containers to a new, easy-to-use API and toolset that are destined to become part of the standard Java platform. The complete conference schedule is here: http://qconsf.com/sf2012/schedule/wednesday.jsp But wait, there’s more! At the Oracle booth, we’ll also be covering: Oracle ADF Mobile Oracle Developer Cloud Service Oracle ADF Essentials NetBeans Project Easel Hope to see you there! 

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• Reusing Web Forms across BPM Roles

  - by Mona Rakibe

  Recently Varsha(another BPM Product Manager) approached me with a requirement where she wanted to reuse same Web Form for different task activity.We both knew this is easily achievable.The human task outcomes can differ to distinguish the submission based on roles.Her requirement was slightly more than this, she wanted to hide some data based on the logged in user. If you have worked on Web Form rules, dynamically showing and hiding data is common requirement and easily achievable using Form Rules. In this case the challenge was accessing BPM role inside the Web Form. Although, will be addressing this requirement in future release she wanted a immediate solution(Aha, after all customers are not the only one's who can not wait). Thankfully we managed to come-up with a solution and I hope this will be helpful to larger audience. Solution has 3 steps : Step 1: We added a hidden attribute in our form (Role). The purpose of this attribute is just to store the current logged in user's role and we pass the value during data association. Step 2 : In your data association step, pass the role value based on the Swimlane Step 3 : Now use this hidden attribute value in your Web Form rule for dynamic behavior Detailed steps and sample can be downloaded from Java.net.

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• CyanogenMod Updates; Rolls out Android 2.3 to the Less Fortunate

  - by ETC

  If you’re one of the less fortunate (namely those forgotten by their carrier when it comes to phone OS upgrade time) you’ve got a friend in Cyanogen. They’ve rolled out a new Release Candidate update that includes Android 2.3 and a host of performance tweaks. First thing to note is that this is an RC and if you upgrade from CyanogenMod 6 to CyanogenMod 7 RC you’ll be trading a little bit of stability and a few features that haven’t made the jump from 6 to 7 in return for the newest features of Android 2.3. If you’re not comfortable with that wait for CyanogenMod 7 to update to a final release. For the intrepid, hit up the link below to read more and grab a copy. CyanogenMod-7 Release Candidates! [Cyanogen via Download Squad] Latest Features How-To Geek ETC Ask How-To Geek: How Can I Monitor My Bandwidth Usage? Internet Explorer 9 RC Now Available: Here’s the Most Interesting New Stuff Here’s a Super Simple Trick to Defeating Fake Anti-Virus Malware How to Change the Default Application for Android Tasks Stop Believing TV’s Lies: The Real Truth About "Enhancing" Images The How-To Geek Valentine’s Day Gift Guide CyanogenMod Updates; Rolls out Android 2.3 to the Less Fortunate MyPaint is an Open-Source Graphics App for Digital Painters Can the Birds and Pigs Really Be Friends in the End? [Angry Birds Video] Add the 2D Version of the New Unity Interface to Ubuntu 10.10 and 11.04 MightyMintyBoost Is a 3-in-1 Gadget Charger Watson Ties Against Human Jeopardy Opponents

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• Ubuntu 12.04 server froze during the first boot after it was installed.

  - by user69021

  I installed Ubuntu server 12.04 to my new server and it failed on the first boot. It just stopped and I can't proceed any further. Server's specifications: Dell PowerEdge T620 CPU : Xeon E5-2665 2.4G x 2 RAM : 8GB RDIMM, 1333MHz x 12 HDD : 3TB Near Line SAS 7.2K x 8 RAID controller : PERC H710 GPU : NVIDIA Tesla C2075 x 4 I have a screenshot of the screen it stopped on but I cannot attach it because my privilege level is currently too low. ![freeze on boot][1] Here are the last messages while booting. [5.048743] Freeing unused kernel memory : 920k freed [5.049046] Write protecting the kernel read-only data : 12288k [5.052973] Freeing unused kernel memory : 1608k freed [5.056132] Freeing unused kernel memory : 1196k freed Loading, please wait... [5.070236] udevd[218]: starting version 175 Begin: Loading essential drivers ... done. Begin: Running /scripts/init-premount ... done. Begin: Mounting root file system ... Begin: Running /scripts/local-top ... done. [5.089030] megasas: 00.00.06.12-rc1 Wed. Oct. 5 17:00:00 PDT 2011 [5.089518] megasas: 0x1000:0x005b:0x1028:0x1f35: bus 1:slot 0:func 0 [5.089739] megaraid_sas 0000:01:00.0: PCI INT A -> GSI 34 (level, low) -> IRQ 34 [5.089937] megasas: FW now in Ready state [5.090427] dca service started, version 1.12.1 [5.091463] Intel(R) Gigabit Ethernet Network Driver - version 3.2.10-k [5.091578] Copyright (c) 2007-2011 Intel Corporation. [5.091712] igb 0000:06:00.0: PCI INT A -> GSI 16 (level,low) -> IRQ 16 [5.111090] megasas:IOC Init cmd success [5.123124] usb 1-1:new high-speed USB device number 2 using ehci_hcd What can I do about this?

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• Agile Data Book from O'Reilly Media

  - by Compudicted

  Originally posted on: http://geekswithblogs.net/Compudicted/archive/2013/07/01/153309.aspxAs part of my ongoing self-education and approaching of some free time, yeah, both is a must for every IT person and geek! I have carefully examined the latest trends in the Computersphere with whatever tools I had at my disposal (nothing really fancy was used) and came to a conclusion that for a database pro the *hottest* topic today is undoubtedly the #BigData and all the rapidly growing and spawning ecosystem around it. Having recently immersed myself into the NoSQL world (let me tell here right away NoSQL means Not Only SQL) one book really stood out of the crowd: Book site: http://shop.oreilly.com/product/0636920025054.doDespite being a new book I am sure it will end up on the tables of many Big Data Generalists.In a few dozen words, it is primarily for two reasons:1) The author understands that a  typical business today cannot wait for a Data Scientist for too long to deliver results demanding as usual a very quick turnaround on investments (ROI), and 2) The book covers all the needed and proven modern brick and mortar offerings to get the job done by a relatively newcomer to the Big Data World.It certainly enables such a professional to grow and expand based on the acquired knowledge, and one can truly do it very fast.

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• Chromebook C720 - issue suspending and booting

  - by user72727

  I recently bought an Acer C720 chromebook (Celeron, 2GB RAM, 16GB SSD) with the intention of loading Linux and using it as a cheap development laptop while on my holiday. The installation sort of went ok but initially the trackpad didn't work so I ran a script that mostly fixed that. My current issues are: Booting: it still goes to the chrome "unknown os" white screen - I have to press ctrl L - then escape then 1 then wait for 30 secs while it seems to be searching for something. Then Ubunto loads up fine. Any idea how to fix this? Suspend: if I close the lid of the laptop then it doesn't seem to suspend properly. At least when I open the lid the screen appears to be on but the screen is blank with a cursor. Nothing responds on the keyboard and I have to hold the power down to restart it. The suspend from the top menu has the same issue. Moving windows: I don't have a mouse click button so how do I move windows around the screen? Launcher bar: I've set mine to auto hide (which it does) but what exactly do you have to do to get it back? I just repeatedly jab the mouse at the side of the screen and eventually it pops up. I don't mind starting all over again but obviously a quick fix is preferred ;) Mike Ubunto 14.04.1 LTS Kernel 3.13.0-32-generic PS Sorry for so many questions.

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