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  • Difference between DISTINCT and VALUES in DAX

    - by Marco Russo (SQLBI)
    I recently got a question about differences between DISTINCT and VALUES in DAX and thanks to Jeffrey Wang I created a simple example to describe the difference. Consider the two tables below: Fact and Dim tables, having a single column with the same name of the table. A relationship exists between Fact[Fact] and Dim[Dim]. This relationship generates a referential integrity violations in table Fact for rows containing C, which doesn’t exist in table Dim. In this case, an empty row is virtually inserted...(read more)

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  • Macbook 4,1 crashes when flash video (youtube) is played fullscreen (Ubuntu 12.04)

    - by Ydun
    I have searched for similar posts but those were mostly about erratic behaviour. My macbook shuts down instantly without warning when I play a youtube video fullscreen; sometimes after five minutes sometimes longer, never immediately. I can play the video normally for as long as I like, it does not crash, only when played fullscreen. I have tried Firefox and chromium, it crashes with both browsers. Anyone encountered the same thing or has a solution? thanks

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  • Do I need to create my own or use a commercial server for the features and matchmaking options I want my game to support?

    - by baptzmoffire
    So I'm developing an indie turn-based game for iOS and, in coding up a Game Center matchmaking class, I'm starting to question whether Game Center is even the best choice for what I want this game to do. I need to figure out whether I need to create my own server, invest in a preexisting client or server service, or if I even need to use a server at all. If I do need to use a ready-made service other than Game Center, which server would accomodate my game's needs best? I have limited resources and funds. Here is the list of features I want my game to support, ideally: Turn-based gameplay (a la "with Friends" and "with Buddies" games) Smart matchmaking (matching users up with other players of comparable skill/achievements) Random matchmaking Facebook matchmaking Specific username matchmaking Contact list matchmaking A way to select what "type" of match you want to challenge an opponent to. (In random, smart, and Facebook matchmaking, there will be different "wagers" the player can make. [e.g. "I wanna play a random opponent for 1000 points. Now, I wanna play my Facebook buddy for 1,000,000 points."] There will be a predetermined range of amounts you can play for. It won't be customizable.) Buddies list capability (Game-buddies, as opposed to contacts and Facebook) A higher concurrent game cap than Game Center offers (which I still can't really find a straight answer on) Scalability (it should support 2 or 20,000,000 players) Objective-C compatibility Flexibility (for all the stuff I haven't thought of yet) Am I dreaming, here? Is there even a service that can handle all of these features? Do I need to invest months in learning a networking language to build my own? If so, how much would I need to spend on hardware? I've been looking around all morning and, so far, the only seemingly viable option is SmartFox. Under "Everything and the kitchen sink" section here, it says they support "virtual world with Zones, Rooms and RoomGroups, create complex game challenges, send invitations, manage buddy lists, create custom permission profiles, oversee the security aspects and tons more." http://www.smartfoxserver.com/overview/platform Is there an option that Im just overlooking? Thanks for any help anyone can provide. Sorry for the long poast. One last question: Does anyone know which server Dice with Buddies uses? I was experimenting with how many concurrent games I could get going and my ADHD kicked in at about 80 games. 80 concurrent games would be great for my game, but again, I need the other features I mentioned too. Thanks again.

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  • How to become a "faster" programmer?

    - by Nick Gotch
    My last job evaluation included just one weak point: timeliness. I'm already aware of some things I can do to improve this but what I'm looking for are some more. Does anyone have tips or advice on what they do to increase the speed of their output without sacrificing its quality? How do you estimate timelines and stick to them? What do you do to get more done in shorter time periods? Any feedback is greatly appreciated, thanks,

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  • how to enable opengl 2.0 and webgl on gma 3150 ?

    - by mahmoudelbadry
    hi, i have a dell mini 1012 which has an intel n450 processor and gma 3150 integrated graphics card running ubuntu 10.10 according to the intel website the graphics card support opengl 2.0 http://software.intel.com/en-us/articles/quick-reference-guide-to-intel-integrated-graphics/#9 but when i type glxinfo in terminal the opengl version string gives me the following OpenGL version string: 1.4 Mesa 7.9-devel i installed the latest drivers but it didn't work. so, how can i enable opengl 2.0 on this card?? thanks

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  • Support TrendNet TEW-643PI Wireless N network card

    - by Matthew Rigdon
    Hello, Has anyone been able to get a TrendNet TEW-643PI Wireless N card working under UBUNTU, if so what drivers did you use and where did you find them. I have this card and would really like to be able to use it in my computer. I found drivers that may work but dont know how to get ubuntu to pick up the drivers. I have tried the Additional Drivers option but cannot seem to get ubuntu to pick up the drivers. Thanks.

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  • How to run Arabic 102 keyboard instead of 101

    - by Shady N. Janzeir
    I'm completely new to Linux and Ubuntu, which I had just installed last night and I'm still feeling my way around it. So far, I managed to install the Arabic language pack, but the keyboard only functions in 101 mode, whereas I need it to function in 102 mode on this particular machine due to the specific layout of the Arabic letters on the keyboard. The keyboard operates fine in 101 mode, but the location of one of the letters is on a different key. Is there a way to do this? Thanks in advance, Shady

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  • Day 4 of Oracle OpenWorld 2012 October 3rd

    - by Maria Colgan
    Thanks to all those who stopped by the demogrounds  to chat with the Optimizer developers and to check out what is new in the Oracle Optimizer over the last two days. Remember, today is the last day of the demogrounds, so if you haven't had a chance to stop by and collect you bumper sticker yet, do so today. The Optimizer developers will be there from 9:45 am until 4pm. Don't forget our second technical session (Session CON8457) is tomorrow at 12:45pm. +Maria Colgan

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  • Load Plan article in Oracle Magazine

    - by David Allan
    Timely article in Oracle Magazine on ODI Load Plans from Mark Rittman in the current issue, worth having a quick read of the article and play with the sample which is included if you get the time. Thanks to Mark for investing the time and energy providing such useful information to the community.http://www.oracle.com/technetwork/issue-archive/2012/12-sep/o52bi-1735905.htmlMark goes over the main benefits of the load plan in the article. Interested to hear any creative use cases or comments in general.

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  • Change alpha to a Frame in libgdx

    - by Rudy_TM
    I have this batch.draw(currentFrame, x, y, this.parent.originX, this.parent.originY, this.parent.width, this.parent.height, this.scaleX, this.scaleY,this.rotation); I want to apply the alpha that it gets from the method, but theres is not overload from the SpriteBatch class that takes the alpha value, is there some wey to apply it? (i did it this way, because this are animation, and i wanted to control them) in my static ones i apply sprite.draw(SpriteBatch, alpha) Thanks

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  • Non-intentional hosting of material that is protected by copyright law

    - by spacemonkey
    I am interested how copyright law works in the case of Rapidshare, Youtube and etc. Just hypothetically speaking, what if I create a website for uploading and sharing MP3 files, and some users start uploading songs in MP3 format that are protected by copyright laws. Can I get sued for this? Knowing that it wasn't me who uploaded that content? Thanks! PS. also maybe there is some good source where I could read about law cavities related to copyright material?

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  • Java EE@Developer Day Poland

    - by reza_rahman
    Oracle Poland held a Developer Day in Warsaw on November 28. The event was a great success with 100+ attendees thanks to great speakers like Simon Ritter and David Delabassee. David led a lab on JAX-RS, HTML 5 Server-Sent Events and WebSocket using GlassFish (this is the same hands-on lab presented at JavaOne). The lab went extremely well with a full-house, enthusiastic crowd. Read more details here!

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  • Is Grub installed when Ubuntu is the only OS installed?

    - by Dennis
    I have a simple question concerning Grub. When Ubuntu it's the only system installed on a machine, Grub doesn't appear when the computer it's turned on, my question is: When Ubuntu is the only system, Grub it's not installed on MBR? I has this doubt when I tried the ASPM command in Grub, to see if it could save some battery on my notebook, and the difference was only 0.4W. I don't even know if it made some effect or it's just a normal oscilation. Thanks.

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  • dbus signal for volume up & down

    - by jldupont
    I recently upgrade to Ubuntu 10.10 Maverick Meerkat and to my dismay, the mediakeys "volume up" and "volume down" do not send Dbus signals anymore... how can I add these back? Thanks!! Update: it seems that under some circumstances (which I don't know exactly yet), the DBus signals start working again. It is as though when a certain application (TBD) is executed, the dbus signals are re-activated.

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  • 3.0.0-13-lowlatency-pae, where can I find its source

    - by user643019
    I know for another post that using apt-get source linux-image-$(uname -r) I can get the kernel source, but I'm usign the 3.0.0-13-lowlatency-pae kernel and using the command, I got this message: Picking 'linux-lowlatency' as source package instead of 'linux-image-3.0.0-13-lowlatency-pae' So, I will appreciate any help, hope that someone know where it can be located. Thanks everybody in advance.

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  • Glade is crashing in Ubuntu 13.10 when I load a file done in Ubuntu 12.04

    - by costales
    I made this file in Ubuntu 12.04 and all is working perfect with Glade: http://bazaar.launchpad.net/~costales/gui-ufw/gufw-13.10/view/227/data/ui/preferences.ui But in Ubuntu 13.10 and Glade 3.14.2, when I'm opening that file, I get this dump: (glade:2626): GladeUI-ERROR **: Unable to get GladeWidget for internal child vbox It's the line: <child internal-child="vbox"> Please, how can I fix this? Thanks in advance!

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  • Using Upstart after building Apache & Mysql from source.

    - by Tek
    I'm using Ubuntu 10.10, Apache 2.2.17 and Mysql 5.5.10. I need some assistance getting Apache and Mysql running on boot. Reading the getting started over at upstart website attempting to get it to work. I added /etc/init/apache2.conf along with the following line: exec /usr/local/apache2/bin/apachectl I'm probably doing everything wrong, could someone point me in the right direction? Thanks. :)

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  • How exactly is Google Webmaster Tools measuring "Site Performance"?

    - by Rémi
    I've been working for two months now on improving our response time (mainly server side) on a new forum (a brand new product on a technical point of view) we've launched in Germany a few month ago and I'm a lot surprised by the results I get. I monitor our response time using Apache logs and our own implementation of Boomerang beacon. Using my stats, I can see that our new product responds in about 680 ms where our old product was responding in about 1050 ms. On the other side, Google Webmaster Tool tells us that our pages have an average reponse time of about 1500 ms today where it was 700 three months ago with our old product. I've figured that GWT was taking client side metrics into account so I've added some measures on our Boomerang beacon and everything looks just fine. I've also ran some random pages on ySlow and Google's Page Speed and everything looks better than it was before. We event have a 82% on Google's Page Speed tool which is quite cool for a site with some ads in it :) Lately, we have signed a deal with Akamai to use two of their products : CDN for our static files (we were using another CDN before but it wasn't very effective) and RMA to improve Networks routes. We have also introduced a new agressive cache mecanism to ensure that most of the pages served to crawlers are cached by our memcache grid. After checking my metrics, it seems that this changes have improved from 650ms to about 500ms, which is good (still not great but it is definitly an improvement). But webmaster tools continues to report an increasing average response time where we see it decreasing in the same time. Have you ever had the same kind of wierd behavior on your sites while doing performance improvements ? Do you have any idea how to monitor the same thing Google does with Site Performance in Google Webmaster Tools so that we could improve our site and constantly check if it is what Google wants ? Edit 2011/07/26 : Thanks for your answers guys ! Nevertheless, I was not precise enough. The main issue we have is not with the Site Performance page but with the Crawl Stats one for now. We probably found an issue on our side with some very slow pages (around 3000 ms !!) and we are trying to fix them. I'll keep you posted as soon I'll have some infos. Thanks again !

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  • Launchpad ppa supporting multiple versions of Ubuntu

    - by unknownone
    Is it possible for a launchpad ppa to support multiple Ubuntu versions such as 10.04 and 12.04 when the package itself was built on a 12.04 machine? When trying to add the ppa to a older machine, it gives an error saying it was made on a 12.04 system and that it could not install. I'd like sudo get-apt-install my-app to work with both 10.04 and 12.04, and I am new to packaging and ppa's so I do not know if anything like this exists. Any help would be appreciated, thanks!

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  • JDeveloper and ADF Satisfaction Survey - Need Your Input

    - by Shay Shmeltzer
    The JDeveloper & ADF team is looking to get feedback on your experience using JDeveloper and Oracle ADF. We developed a short online survey that will help us understand your usage patterns as well as locate the areas where we need to improve our product. Your input will be helping us help you. Please take 5 minutes to complete the survey - https://www.oraclesurveys.com/se.ashx?s=705E3EFC4861B8EF Thanks for helping, The JDeveloper team

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  • After GRUB loads linux: No init found.

    - by Kaustubh P
    When I start Ubuntu from the grub, I get a strange message, and a medieval prompt as: No init found Busybox v1.15.3(ubuntu 1.1.15 3-ubuntu5) built in shell (ash) Enter 'help' for a list of commands (initramfs)_ I use a dualboot system, with Ubuntu Meerkat, and Windows 7. Is there any chance of recovery? Thanks. EDIT: The PC on a whim decide to boot itself up, and so I couldnt try the solution mentioned below. I will accept the answer anyway.

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  • Can't see default icons and the panel on the top

    - by adi
    Unfortunately I just installed Ubuntu 12.04 and I can't see default icons and the panel on the top. But the most fustrating that some of the icons sure in there place, because if i move my mause over where the icon should be (and click) options are jumping out:eg:suspend, shut down, printer... And i can open libre office 3 by clicking the place where it should be displayed. The other probel is the stalling. Anyone has an idea? Thanks:Adam

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  • 6 Ways to Modernize Your Customer Experience

    - by Mike Stiles
    If customers have changed, if the way they research and shop have changed, if their expectations have changed, if their ability to act on dissatisfaction has changed, but your customer experience has NOT changed, what was once “good enough” may now be crippling. Well, the customer has changed, and why wouldn’t they? You’ve probably changed too in your role as consumer. There’s more info available, it’s easier to get, there’s more choice, you’re more mobile, you’re more connected, it’s easier to buy, and yes, it’s easier to switch brands if experiences don’t meet your now higher expectations. Thanks to technological advances, we as marketers can increasingly work borderline miracles. But if we’re still not adamantly adopting customer centricity, and if we aren’t making the customer experience paramount amongst business goals, the tech is wasted. A far more modern customer experience is called for. Here are 6 ways to get there: 1. Modern Marketing: Marketing data is aggregated and targeted to the right customers, who are getting personal, relevant communications. In return, you’re getting insight that finally properly attributes revenue to your marketing efforts. 2. Modern Selling: Demand is being driven across all channels with modern selling tools. Productivity is up thanks to coordinated communication and selling, and performance is ever optimized using powerful analytics. 3. Modern CPQ: You’re cross-selling and upselling more effectively since reps and channel partners have been empowered with the ability to quickly, automatically generate 100% accurate, customer-friendly quotes complete with price controls and automated approvals. 4. Modern Commerce: You’re leveraging data and delivering personalized, targeted digital experiences to everyone. You’re attracting more visitors, and you’re able to scale and keep up with the market and control the experience. 5. Modern Service: You’re better serving your customers by making it easier for them to engage with your brand, plus you’re lowering your costs by increasing agent and tech support efficiencies. 6. Modern Social: You’re getting faster, deeper, more accurate insights from social and turning content around faster, which then goes out to the right people at the right time in the right place. You’ve also gotten proactive in your service, and customers love that. For far too many brands, the buying journey of Need, Research, Select, Buy, Use, Recommend across the multiple connect points of Social, Mobile, Store, Call Center, Site, Ecommerce is a disconnected mess. Oracle’s approach to CX is to connect every interaction your customer has with your brand, avoiding the revenue losses lousy customer experiences bring. How important is the experience to customers? 94% are willing to pay more of their hard-earned money to have better ones, while a meager 1% say they get the good, consistent experiences they expect. Brands, your words aren’t as loud anymore, so your actions as they relate to customer experience are going to have to do the talking. @mikestiles @oraclesocialPhoto: Julien Tromeur, freeimages.com

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  • OpenGL vs DirectX?

    - by Harold
    I saw the articles that were going on about OpenGL being better than DirectX and that Microsoft are really just trying to get everyone to use DirectX even though it's inferior so that gaming is almost exclusively for Windows and XBox, but since the article was written in 2006 is it still relevant today? Also I know plenty of games are written in DirectX but does anyone have any examples of popular games written in OpenGL? Thanks

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