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  • Book Review: Fast Track to MDX

    - by Greg Low
    Another book that I re-read while travelling last week was Fast Track to MDX . I still think that it's the best book that I've seen for introducing the core concepts of MDX. SolidQ colleague Mark Whitehorn, along with Mosha Pasumansky and Robert Zare do an amazing job of building MDX knowledge throughout the book. I had dinner with Mark in London a few years back and I was pestering him to update this book. The biggest limitation of the book is that it was written for SQL Server 2000 Analysis Services,...(read more)

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  • Which web algorithms book to get? [closed]

    - by fjxx
    I am currently undecided between which of the following web algorithms book to buy: 1) Algorithms of the Intelligent web by Marmanis 2) Collective Intelligence by Alag Both feature code in Java; Marmanis' book delves deeper into the core algorithms while Alag's book discusses more APIs including WEKA. I have already read Programming Collective Intelligence by Segaran and enjoyed it. Any comments on these books or any other recommendations are welcome.

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  • FeiTeng 1000

    - by nospam(at)example.com (Joerg Moellenkamp)
    My colleague Roland pointed me to a website with some additional information about the usage of SPARC in the Tianhe-1a super computer: 512 飞腾 Server( 4 socket Galaxy FT1000 飞腾 cpu ( 65nm, 1Ghz, 8 core, 8 threads, openSPARC T2) that has 3HT links and 4 DDR3 memory channel and 8 PCI2.0)So essentialy the NUDT took the openSPARC T2 and added DDR3 , PCIe 2.0 and Hypertransport to it ...

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  • Improve my System, Need some advice/suggestion

    - by Pennf0lio
    Processor: 2.40 gigahertz Intel Core2 Duo Board: ASUSTeK Computer INC. P5B-MX Memory: 2 Gb VideoCard: NVIDIA GeForce 7300 GT HDD: 80GB + 250GB both IDE Operating System: Windows 7 32bit Please give me some advice what to improve in my System. I mainly used it for Graphic Design (eg, Photoshop, Cinema4d, Illustrator, Flash). I was planning to increase my Memory adding 2 GB more, Pushing it to something like 4GB in total. But just found out that recently that I already have 2x2GB installed and should be 4GB in total. When I looked at the properties of my computer, It said "Installed Memory 2GB". I wonder why is that happening? Is the other ram broken?.. I never the computer casing since I bought. so I didn't realize that I already have 2 x 2gb ram. what can you advice. Thanks!

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  • Simple queries occasionally running very slowly

    - by Johan
    I have some very simple queries that occasionally run very slowly. The table viewed_sites has about 10 - 20 rows. Running EXPLAIN ANALYZE always gives a runtime of less than 3 milliseconds. When the query is run automatically (every 10 seconds) it occasionally takes over a second to run. The query: INSERT INTO ga.viewed_sites (site_id) VALUES ('gop2') The table: CREATE TABLE viewed_sites ( site_id character varying(4) NOT NULL, last_viewed timestamp with time zone DEFAULT now() NOT NULL ); The (occasional) log result: 2010-05-24 15:47:55 UTC LOG: duration: 1044.632 ms statement: INSERT INTO ga.viewed_sites (site_id) VALUES ('gop2') It's a horribly vague question, but what could be causing this? I suppose it comes down to CPU, RAM, HDD or some combination of the above. Postgresql 8.3, Ubuntu 8.04 Intel(R) Core(TM)2 Duo CPU E6750 @ 2.66GHz 2 GiB RAM

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  • At the time of installing ubuntu, i am getting dark black screen only

    - by faruque
    I am trying to install Ubuntu 12.04 LTS dual boot with Windows 7, but when i click on Try or even Install ubuntu, i am getting black screen only. I can't see any text or anything else. When i see my Laptop's screen from close look, ubuntu in the middle of screen shown but screen is dark black. So because of this i am unable to install Ubuntu on my laptop. Please help in this regard. Following deatails of my laptop. Details of my Laptop: Manufacturer- Acer Aspire 4736 Processor- Intel core 2 duo CPU T660 Graphics driver- Mobile Intel(R) 4 series express chipset family (Microsoft corporation - WDDM 1.1), Current version installed- 8.15.10.2302 In ubuntu 11.04 i know how to boot into nomodeset, but i don't know how to boot through nomodeset in ubuntu 12.04 LTS. Because there is no option shown for F6 key. My laptop is Acer aspire 4736, and my Video/Graphics card shows unknown by ubuntu. Please someone help me. Can changing or upgrading my laptop's graphic card solve this problem..?? If yes then, which graphic card should i go for which is supported by Ubuntu and other Linux distros? Please someone help.

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  • Mouse lagging on 12.10 login page

    - by stariz77
    I just installed ubuntu 12.10 and it seems the mouse lags/is choppy (it will momentarily stick to the page and then appear where I had gestured to instantly every half second or so) on the login page. It appears to go away once my network connection is established. Is this indicative of anything in particular? Do I need to update a driver for something? I have installed it on an OCZ agility 3 SSD, using 8GB ram, intel core i7, intel(R) 82579V Gigabit Network Connection.

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  • June 23, 1983: First Successful Test of the Domain Name System [Geek History]

    - by Jason Fitzpatrick
    Nearly 30 years ago the first Domain Name System (DNS) was tested and it changed the way we interacted with the internet. Nearly impossible to remember number addresses became easy to remember names. Without DNS you’d be browsing a web where numbered addresses pointed to numbered addresses. Google, for example, would look like http://209.85.148.105/ in your browser window. That’s assuming, of course, that a numbers-based web every gained enough traction to be popular enough to spawn a search giant like Google. How did this shift occur and what did we have before DNS? From Wikipedia: The practice of using a name as a simpler, more memorable abstraction of a host’s numerical address on a network dates back to the ARPANET era. Before the DNS was invented in 1983, each computer on the network retrieved a file called HOSTS.TXT from a computer at SRI. The HOSTS.TXT file mapped names to numerical addresses. A hosts file still exists on most modern operating systems by default and generally contains a mapping of the IP address 127.0.0.1 to “localhost”. Many operating systems use name resolution logic that allows the administrator to configure selection priorities for available name resolution methods. The rapid growth of the network made a centrally maintained, hand-crafted HOSTS.TXT file unsustainable; it became necessary to implement a more scalable system capable of automatically disseminating the requisite information. At the request of Jon Postel, Paul Mockapetris invented the Domain Name System in 1983 and wrote the first implementation. The original specifications were published by the Internet Engineering Task Force in RFC 882 and RFC 883, which were superseded in November 1987 by RFC 1034 and RFC 1035.Several additional Request for Comments have proposed various extensions to the core DNS protocols. Over the years it has been refined but the core of the system is essentially the same. When you type “google.com” into your web browser a DNS server is used to resolve that host name to the IP address of 209.85.148.105–making the web human-friendly in the process. Domain Name System History [Wikipedia via Wired] What is a Histogram, and How Can I Use it to Improve My Photos?How To Easily Access Your Home Network From Anywhere With DDNSHow To Recover After Your Email Password Is Compromised

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  • Minecraft running slow after 13.10 upgrade

    - by user204279
    What to took for when Minecraft is running slow (~10 FPS) after a simple Ubuntu upgrade (from 13.04 to 13.10) without any manual change in the hardware/software graphic configuration and in the Minecraft configuration? Before the upgrade, it was running very well everytime (~60 FPS constantly). Any help? lspci | grep "VGA compatible controller" 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Whistler [Radeon HD 6730M/6770M/7690M XT] (rev ff)

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  • Recommended Patches For R12.1.3 Procurement Contracts, Contract Terms Library or Repository Contracts

    - by Oracle_EBS
    If you are implementing or upgrading to R12.1.3 Procurement Contracts, Contract Terms Library or Repository Contracts, then please review the following note for a list of recommended patches to apply on top of 12.1.3: 1349213.1: Recommended Patches For R12.1.3 Procurement Contracts and Contracts Core. Note that currently the methods given in Note 1400757.1: How to Find E-Business Suite Recommended Patches may not give the same patch listing given in Note 1349213.1.

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  • New Advisor Webcast Announced for E-Business Suite Procurement

    - by David Hope-Ross
    ADVISOR WEBCAST: Sourcing in Purchasing PRODUCT FAMILY: EBZs- Procurement   May 29, 2012 at 2:00 pm London / 06:00 am Pacific / 7:00 am Mountain / 9:00 am Eastern / 3:00 pm Egypt For more information and registration please click here. This one-hour session is recommended for technical and functional users who need to know about Sourcing in Prchasing. TOPICS WILL INCLUDE: Sourcing items in Oracle Purchasing (Sourcing Rules, ASL attributes,Global and Local ASL) Sourcing cycle in Core purchasing,Setup PO create documents workflow in Sourcing Additional features of Automatic Sourcing Tables involved in Sourcing and Troubleshooting

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  • Is anyone teaching the application of ethics to programming?

    - by blueberryfields
    Ethical questions come up more and more in the news, and can be core to a software developers' life. On several occasions this year I was asked for advice that amounts to answering ethical questions, in a computer programming context, and I was surprised to see how much fretting and trouble questions which I consider trivial can lead to. Are there any courses or programs specializing in teaching what is expected of an ethical programmer? Has anyone put together a formal curriculum anywhere?

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  • What Is latest & best effect on compiz in unity? [closed]

    - by Gaurav_Java
    Although I have downloaded compiz, ccsm, compiz-plugins, compiz-fusion-plugins-main and compiz-fusion-plugins-extra,compiz-plugins-main-dev,compiz-bcop,compiz-dev .build-essential,libtool,libglu1-mesa-dev,libxss-dev,libcairo2-dev,git-core i was just thinking may be i am not using some good plugins, i want to know some unsupported plugin . how i install them use them . some seeking for some good compiz profile

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  • Unable to install osspd

    - by crom
    I try to install osspd, but I get the message that I need the library lib6c = 2.17 I tried to install it by: apt-get install osspd http://sourceforge.net/projects/osspd/ http://www.ubuntuupdates.org/package/core/raring/universe/base/osspd apt-cache policy osspd N: Unable to locate package osspd version: cat /proc/version Linux version 3.5.0-34-generic (buildd@roseapple) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #55~precise1-Ubuntu SMP Fri Jun 7 16:25:50 UTC 2013 All with the same result. not easy to backport to 12.10 LTS??!!

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  • 64 Bit Windows drivers for Inspiron 1720

    - by Rob Allen
    Dell doesn't seem to offer 64 bit drivers specifically for the Inspiron 1720 (laptop). I'm going to be upgrading from Vista 32-bit to Windows 7 64bit and I want to pull down the necessary stuff before hand. Are there any Dell systems that are similar enough to the Inspiron 1720 that I can use for a baseline to make sure I still have Ethernet and WiFi after the reinstall? It doesn't matter if they are for Vista 64 or Windows 7. Identified hardware: Processor: Intel mobile Core 2 Duo T7500 Chipset: Intel Mobile 965 Express Wifi: Intel Pro Wireless Drive Controller: Intel Matrix Graphics: nVidia GeForce 8600M GT Bluetooth: Dell TrueMobile 355 + EDR Ricoh card reader I think anything else, the default Windows drivers will be sufficient. Let me know if you think I missed something thing please.

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  • Vostro 3560 Wireless on Ubuntu 12.10

    - by ngille
    I have been using Ubuntu 12.04.1 LTS on a Dell Vostro 3560 for some time now. At first I had issues with the wireless but I was pointed to a driver from Ubuntu 11.xx for a Broadcom BCM43142 and that did work! however with the upgrade to 12.10 I find myself at a lost because the driver will not work anymore. When trying to reinstall it I get "Driver of bad quality" I still install it but it just wont work. I cant seem to find anything on this issue for 12.10 and didn't know if anyone had any advice or if someone could point me in the right direction on resources to write my own driver for it. As I know C/C++ but have never written a driver for a Linux machine before. Thanks for any help! To be more clear I installed Ubuntu 12.10 Desktop on my Dell Vostro 3560 laptop. When I log in, my wireless card isn't visible in the Network Manager popup menu, although the wired network shows up there. I installed the driver mentioned below and that did help me on 12.04 but is now broken due to "Poor quality" a sudo lspci -nn command brings up: 00:00.0 Host bridge [0600]: Intel Corporation 3rd Gen Core processor DRAM Controller [8086:0154] (rev 09) 00:02.0 VGA compatible controller [0300]: Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166] (rev 09) 00:14.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller [8086:1e31] (rev 04) 00:16.0 Communication controller [0780]: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 [8086:1e3a] (rev 04) 00:1a.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 [8086:1e2d] (rev 04) 00:1b.0 Audio device [0403]: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller [8086:1e20] (rev 04) 00:1c.0 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 [8086:1e10] (rev c4) 00:1c.1 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 2 [8086:1e12] (rev c4) 00:1c.2 PCI bridge [0604]: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 3 [8086:1e14] (rev c4) 00:1d.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 [8086:1e26] (rev 04) 00:1f.0 ISA bridge [0601]: Intel Corporation HM77 Express Chipset LPC Controller [8086:1e57] (rev 04) 00:1f.2 SATA controller [0106]: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] [8086:1e03] (rev 04) 00:1f.3 SMBus [0c05]: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller [8086:1e22] (rev 04) 01:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] (rev 07) **02:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)**

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  • Proper Method name for XML builder

    - by Wesley
    I think this is the right stack for this. I have a helper class which builds CAML queries (SharePoint XML for getting list items from SQL) There is one method that is flexibly used to build the queries that get all related votes and comments for a social item. I don't want to call it BuildVoteorCommentXML or something long winded like that. Is there a good naming convention for getting all Join/Foreign Key objects from a core object?

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  • In an Entity-Component-System Engine, How do I deal with groups of dependent entities?

    - by John Daniels
    After going over a few game design patterns, I have settle with Entity-Component-System (ES System) for my game engine. I've reading articles (mainly T=Machine) and review some source code and I think I got enough to get started. There is just one basic idea I am struggling with. How do I deal with groups of entities that are dependent on each other? Let me use an example: Assume I am making a standard overhead shooter (think Jamestown) and I want to construct a "boss entity" with multiple distinct but connected parts. The break down might look like something like this: Ship body: Movement, Rendering Cannon: Position (locked relative to the Ship body), Tracking\Fire at hero, Taking Damage until disabled Core: Position (locked relative to the Ship body), Tracking\Fire at hero, Taking Damage until disabled, Disabling (er...destroying) all other entities in the ship group My goal would be something that would be identified (and manipulated) as a distinct game element without having to rewrite subsystem form the ground up every time I want to build a new aggregate Element. How do I implement this kind of design in ES System? Do I implement some kind of parent-child entity relationship (entities can have children)? This seems to contradict the methodology that Entities are just empty container and makes it feel more OOP. Do I implement them as separate entities, with some kind of connecting Component (BossComponent) and related system (BossSubSystem)? I can't help but think that this will be hard to implement since how components communicate seem to be a big bear trap. Do I implement them as one Entity, with a collection of components (ShipComponent, CannonComponents, CoreComponent)? This one seems to veer way of the ES System intent (components here seem too much like heavy weight entities), but I'm know to this so I figured I would put that out there. Do I implement them as something else I have mentioned? I know that this can be implemented very easily in OOP, but my choosing ES over OOP is one that I will stick with. If I need to break with pure ES theory to implement this design I will (not like I haven't had to compromise pure design before), but I would prefer to do that for performance reason rather than start with bad design. For extra credit, think of the same design but, each of the "boss entities" were actually connected to a larger "BigBoss entity" made of a main body, main core and 3 "Boss Entities". This would let me see a solution for at least 3 dimensions (grandparent-parent-child)...which should be more than enough for me. Links to articles or example code would be appreciated. Thanks for your time.

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  • Webcast Q&A: Qualcomm Provides a Seamless Experience for Customers with Oracle WebCenter

    - by kellsey.ruppel
    Last Thursday we had the second webcast in our WebCenter in Action webcast series, "Qualcomm Provides a Seamless Experience for Customers with Oracle WebCenter, where customer Michael Chander from Qualcomm and Vince Casarez & Gourav Goyal from Oracle Partner Keste shared how Oracle WebCenter is powering Qualcomm’s externally facing website and providing a seamless experience for their customers. In case you missed it, here's a recap of the Q&A.   Mike Chandler, Qualcomm Q: Did you run into any issues when integrating all of the different applications together?A: Definitely, our main challenges were in the area of user provisioning and security propagation, all the standard stuff you might expect when hooking up SSO for authentication and authorization. In addition, we spent several iterations getting the UI’s in sync. While everyone was given the same digital material to build too, each team interpreted and implemented it their own way. Initially as a user navigated, if you were looking for it, you could slight variations in color or font or width , stuff like that. So we had to pull all the developers responsible for the UI together and get pixel level agreement on a lot of things so we could ensure seamless transitions across applications. Q: What has been the biggest benefit your end users have seen?A: Wow, there have been several. An SSO enabled environment was huge a win for our users. The portal application that this replaced had not really been invested in by the business. With this project, we had full business participation and backing, and it really showed in some key areas like the shopping experience. For example, while ordering in the previous site, the items did not have any pictures or really usable descriptions. A tremendous amount of work was done to try and make the site more intuitive and user friendly. Site performance has also drastically improved thanks to new hardware, improved database design, and of course the fact that ADF has made great strides in runtime performance. Q: Was there any resistance internally when implementing the solution? If so, how did you overcome that?A: Within a large company, I’m sure there is always going to be competition for large projects, as there was here. Once we got through the technical analysis and settled on the technology choices, it was actually no resistance to implementing the solution. This project was fully driven by the business with the aim of long term growth. I can confidently say that the fact that this project was given the utmost importance by both the business and IT really help put down any resistance that you would typically see while implementing a new solution. Q: Given the performance, what do you estimate to be the top end capacity of the system? A:I think our top end capacity is really only limited by our hardware. I’m comfortable saying we could grow 10x on our current hardware, both in terms of transactions and users. We can easily spin up new JVM instances if needed. We already use less JVM’s than we had planned. In addition, ADF is doing a very good job with his connection pooling and application module pooling, so we see a very good ratio of users connected to the systems vs db connections, without impacting performace. Q: What's the overview or summary of feedback from the users interacting with the site?A: Feedback has been overwhelmingly positive from both the business and our customers. They’re very happy with the new SSO environment , the new LAF, and the performance of the site. Of course, it’s not all roses. No matter what, there are always going to be people that don’t like the layout or the color scheme, etc. By and large though, customers are happy and the business is happy. Q: Can you describe the impressions about the site before and after the project within Qualcomm?A: Before the project, the site worked and people were using it, but most people were not happy with it. It was slow and tended to be a bit tempermental, for example a user would perform a transaction and the system would throw and unexpected error. The user could back up and retry the steps and things would work fine, so why didn’t work the first time?. From a UI perspective, we’d hear comments like it looked like it was built by a high school student.  Vince Casarez & Gourav Goyal, Keste Q: Did you run into any obstacles when implementing the solution?A: It's interesting some people call them "obstacles" on this project we just called them "dependencies".  There were both technical and business related dependencies that we had to work out. Mike points out the SSO dependencies and the coordination and synchronization between the teams to have a seamless login experience and a seamless end user experience.  There was also a set of dependencies on the User Acceptance testing to make sure that everyone understood the use cases for how the system would be used.  With a branching into a new market and trying to match a simple user experience as many consumer sites have today, there was always a tendency for the team members to provide their suggestions on how things could be simpler.  But with all the work up front on the user design and getting the business driving this set of experiences, this minimized the downstream suggestions that tend to distract a team.  In this case, all the work up front allowed us to enumerate the "dependencies" and keep the distractions to a minimum. Q: Was there a lot of custom work that needed to be done for this particular solution?A: The focus for this particular solution was really on the custom processes. The interesting thing is that with the data flows and the integration with applications, there are some pre-built integrations, but realistically for the process flow, we had to build those. The framework and tooling we used made things easier so we didn’t have to implement core functionality, like transitioning from screen to screen or from flow to flow. The design feature of Task Flows really helped speed the development and keep the component infrastructure in line with the dynamic processes.  Task flows and other elements like Skins are core to the infrastructure or technology stack of Oracle. This then allowed the team to center the project focus around the business flows and use cases to meet the core requirements and keep the project on time. Q: What do you think were the keys to success for rolling out WebCenter?A:  The 5 main keys to success were: 1) Sponsorship from the whole organization around this project from senior executive agreement, business owners driving functionality, and IT development alignment; 2) Upfront design planning and use case definition to clearly define the project scope and requirements; 3) Focussed development and project management aligned with the top level goals and drivers; 4) User acceptance and usability testing along the way to identify potential issues and direct resolution of the issues;  and 5) Constant prioritization of the issues for development to fix by the business.  It also helps to have great team chemistry and really smart people working on the project. If you missed the webcast, be sure to catch the replay to see a live demonstration of WebCenter in action!  Qualcomm Provides a Seamless Experience for Customers with Oracle WebCenter from Oracle WebCenter

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  • bumblebee does not work with metacity and KWin, but works with compiz

    - by cpu2
    If I try to launch something with optirun under compiz, it works. If I try to launch something with optirun under KDE or metacity, it gives me: [ 247.384077] [ERROR]Cannot access secondary GPU - error: [XORG] (EE) [ 247.384117] [ERROR]Aborting because fallback start is disabled. If it matters, I'm trying to launch Portal 2 with wine I have: Nvidia GeForce GT540M with optimus Acer Aspire Timeline X Intel core i5 and 3000 Integrated Graphics

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  • In terms of performance, which processor is more suitable?

    - by Roberts
    My computer specs: Motherboard: Gigabyte GA-945PL-S3 OS: Microsoft Windows 7 Ultimate CPU Socket: LGA775 CPU: Intel® Core™2 Duo Processor E4300 (2M Cache, 1.80 GHz, 800 MHz FSB) After I bought new hard drive (Western Digital 250GB, 7200rpm, 32MB, Sata III, Caviar Blue, WD2500AAKX) I saw that my processor temperature started to raise to higher value then before. Now while surfing internet it goes to 70°C. Cleaned my motherboard - nothing; cleaned fan - nothing; replaced thermal paste - nothing; replaced thermal paste with care - still nothing. So I went to friend just to check if he doesn't have any spear fan, and he did. But with fan he had another processor that he didn't need and he wanted to give it to me, but I told him that I will think about this. So my CPU, he's CPU (Intel® Pentium® D Processor 820 (2M Cache, 2.80 GHz, 800 MHz FSB)). Question: which proccesor is better for gaming and for recording games?

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  • Running C++ AMP kernels on the CPU

    - by Daniel Moth
    One of the FAQs we receive is whether C++ AMP can be used to target the CPU. For targeting multi-core we have a technology we released with VS2010 called PPL, which has had enhancements for VS 11 – that is what you should be using! FYI, it also has a Linux implementation via Intel's TBB which conforms to the same interface. When you choose to use C++ AMP, you choose to take advantage of massively parallel hardware, through accelerators like the GPU. Having said that, you can always use the accelerator class to check if you are running on a system where the is no hardware with a DirectX 11 driver, and decide what alternative code path you wish to follow.  In fact, if you do nothing in code, if the runtime does not find DX11 hardware to run your code on, it will choose the WARP accelerator which will run your code on the CPU, taking advantage of multi-core and SSE2 (depending on the CPU capabilities WARP also uses SSE3 and SSE 4.1 – it does not currently use AVX and on such systems you hopefully have a DX 11 GPU anyway). A few things to know about WARP It is our fallback CPU solution, not intended as a primary target of C++ AMP. WARP stands for Windows Advanced Rasterization Platform and you can read old info on this MSDN page on WARP. What is new in Windows 8 Developer Preview is that WARP now supports DirectCompute, which is what C++ AMP builds on. It is not currently clear if we will have a CPU fallback solution for non-Windows 8 platforms when we ship. When you create a WARP accelerator, its is_emulated property returns true. WARP does not currently support double precision.   BTW, when we refer to WARP, we refer to this accelerator described above. If we use lower case "warp", that refers to a bunch of threads that run concurrently in lock step and share the same instruction. In the VS 11 Developer Preview, the size of warp in our Ref emulator is 4 – Ref is another emulator that runs on the CPU, but it is extremely slow not intended for production, just for debugging. Comments about this post by Daniel Moth welcome at the original blog.

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  • DotNetNuke is switching to C#, uh oh

    - by Chris Hammond
    If you didn’t see Shaun’s blog post earlier this week you should give it a good read through . The post announced the fact that starting with Version 6.0 (targeted for Q2 2011) DotNetNuke will no longer be developed/released as a VB.NET Application. All development of the core platform will be in C# (this does not mean that the community modules for the platform will change languages). Most of the feedback I have seen so far has been rather positive, most folks who use DotNetNuke on a regular basis...(read more)

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