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  • Oracle at EclipseCon 2011

    - by greg.stachnick
    EclipseCon 2011 is approaching fast and the Oracle team will have a busy week. Between General Conference sessions and activities in our Sponsored Room, Oracle is involved in seventeen sessions and tutorials. A general schedule of the Oracle-related sessions can be found here. Also, in between sessions, be sure to swing by booth #10 in the Exhibition Area to chat with Oracle developers and see demos of the latest Eclipse technologies.

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  • Can't repeatedly reload uwsgi

    - by Connorhd
    In Ubuntu 12.04 I can only reload my uwsgi app once, after this reload and force-reload fail. This appears to be because after the first reload the process names change from uwsgi to uwsgi-core, and the reload script looks for uwsgi processes with specific pids. I'm not sure if this is just a bug, and if so is there somewhere sensible for me to report it? Otherwise is there something I could be doing wrong to cause this?

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  • Tips For Getting the Best Web Development

    For many people getting custom web development sounds like a complicated endeavor. It is true, that getting a good overall work output from a company or an individual in regards to web creation can turn sour fast, but you can utilize a few tips and ask a few questions to make sure that you're not getting swindled.

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  • csharptemplates

    - by csharp-source.net
    Extremely fast, simple, and reliable template engine with thorough test suite, examples, and live deployment on large website. Can nest templates for child elements and repeated elements. Works for any type of text file.

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  • The Best How-To Geek Articles for August 2012

    - by Asian Angel
    This past month we covered topics such as how to make Mozilla Firefox fast again, 11 ways to make your LastPass account even more secure, how to install extensions from outside the Chrome web store, and more. Join us as we look back at the best articles for August. HTG Explains: Why Do Hard Drives Show the Wrong Capacity in Windows? Java is Insecure and Awful, It’s Time to Disable It, and Here’s How What Are the Windows A: and B: Drives Used For?

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  • GDD-BR 2010 [1G] Android: Building High-Performance Applications

    GDD-BR 2010 [1G] Android: Building High-Performance Applications Speaker: Tim Bray Track: Android Time: G [16:30 - 17:15] Room: 1 Level: 151 Build Android applications that are smooth, fast, responsive, and a pleasure to use. Also, learn about the tools and techniques we use to track down and fix performance problems. From: GoogleDevelopers Views: 20 0 ratings Time: 33:34 More in Science & Technology

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  • Keep getting SocketExceptions (6 replies)

    I am using the System.Net.Sockets.NetworkStream to read data from a network connection I keep getting exceptions #### Exception System.Net.Sockets.SocketException E FAIL (11) #### #### Microsoft.SPOT.Net.SocketNative::recv [IP: 0000] #### #### System.Net.Sockets.Socket::Receive [IP: 0018] #### #### System.Net.Sockets.NetworkStream::Read [IP: 005e] #### #### MFToolkit.Net.Web.HttpRequest::Read [IP:...

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  • Procedurally generated 2d terrain for side scroller on Sega Genesis hardware?

    - by DJCouchyCouch
    I'm working on the Sega Genesis that has a 8mhz Motorola 68000 CPU. Any ideas on how to generate fast and decent 2d tile terrain for a side scroller in real time? The game would generate new columns or rows depending on the direction the player is scrolling in. The generation would have to be deterministic. The same seed value would generate the same terrain. I'm looking for algorithms that would satisfy the memory and CPU constraints of the hardware.

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  • How to install my currrent Ubuntu based OS on to an extenal drive?

    - by Godel Fishbreath
    I have found urls to install ubuntu to a HD. But my current system has been upgraded and updated so often that it does not resemble anything on the web or on my drive disks. So giving my a url to how to install ubuntu will fail. Give me instead 'how to install my current Linux/Ubuntu based system (11.04) and all the upgrades to my external HD. Or alternately how to back up the OS into a bootable external HD. I am looking for either urls or a very complete explanation.

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  • The Real Reason for CRM implementation Failure

    You can search the Internet and look at technology trade magazines and find list after list of why CRM (Customer Retention Management) implementations fail. To me, most of these "articles" are laundr... [Author: Chuck Lewis - Computers and Internet - September 03, 2009]

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  • CLR JIT Bugs Found During IKVM.NET Development

    "It is actually fairly common that people notice that things fail under retail but not debug and tend to blame code generation. While a code generation bug is possible, as a matter of statistics, it is not likely." -- Vance MorrisonDateCLRArchTypeDescription2010-06-12 v4 x64 Incorrect code Optimizer incorrectly propagates invariants.2010-06-04 v2, v4 x86 Crash ...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Canonical et Nokia pourraient travailler en collaboration sur Qt, il pourrait devenir le framework de référence pour Ubuntu

    Canonical et Nokia pourraient travailler en collaboration sur Qt Sur les quelques derniers mois, des contacts ont eu lieu entre les développeurs de Qt et Canonical ainsi qu'avec les participants au projet Ubuntu. Mark Zimmerman, CTO de Canonical, disait sur son blog, en octobre : Citation: Envoyé par Mark Zimmerman, CTO de Canonical I have been thinking about Qt recently. We want to make it fast, easy and painless to devel...

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  • Compiling for T4

    - by Darryl Gove
    I've recently had quite a few queries about compiling for T4 based systems. So it's probably a good time to review what I consider to be the best practices. Always use the latest compiler. Being in the compiler team, this is bound to be something I'd recommend But the serious points are that (a) Every release the tools get better and better, so you are going to be much more effective using the latest release (b) Every release we improve the generated code, so you will see things get better (c) Old releases cannot know about new hardware. Always use optimisation. You should use at least -O to get some amount of optimisation. -xO4 is typically even better as this will add within-file inlining. Always generate debug information, using -g. This allows the tools to attribute information to lines of source. This is particularly important when profiling an application. The default target of -xtarget=generic is often sufficient. This setting is designed to produce a binary that runs well across all supported platforms. If the binary is going to be deployed on only a subset of architectures, then it is possible to produce a binary that only uses the instructions supported on these architectures, which may lead to some performance gains. I've previously discussed which chips support which architectures, and I'd recommend that you take a look at the chart that goes with the discussion. Crossfile optimisation (-xipo) can be very useful - particularly when the hot source code is distributed across multiple source files. If you're allowed to have something as geeky as favourite compiler optimisations, then this is mine! Profile feedback (-xprofile=[collect: | use:]) will help the compiler make the best code layout decisions, and is particularly effective with crossfile optimisations. But what makes this optimisation really useful is that codes that are dominated by branch instructions don't typically improve much with "traditional" compiler optimisation, but often do respond well to being built with profile feedback. The macro flag -fast aims to provide a one-stop "give me a fast application" flag. This usually gives a best performing binary, but with a few caveats. It assumes the build platform is also the deployment platform, it enables floating point optimisations, and it makes some relatively weak assumptions about pointer aliasing. It's worth investigating. SPARC64 processor, T3, and T4 implement floating point multiply accumulate instructions. These can substantially improve floating point performance. To generate them the compiler needs the flag -fma=fused and also needs an architecture that supports the instruction (at least -xarch=sparcfmaf). The most critical advise is that anyone doing performance work should profile their application. I cannot overstate how important it is to look at where the time is going in order to determine what can be done to improve it. I also presented at Oracle OpenWorld on this topic, so it might be helpful to review those slides.

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  • Website Benchmarking - How Does Your Website Compare?

    With over 14 billion websites, the internet is fast becoming the first place people look for information. As the number of websites swells it becomes increasingly difficult to set your own website apart from the rest. Being able to quantify the friendliness of your website is essential if you want to know what changes can be made for the better and how you can expect those changes to effect traffic and ranking.

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  • Local SEO, SMB and Google Places - Tips You Won't Find Elsewhere

    The internet is moving fast and if you are a small business SMB needing to be found online through local search engine optimization SEO, then you better mover faster. The changes just in Google Maps Local Business Center include a name change to Google Places and much, much more. There is much already reported about how to take advantage. Here are three tips you will not likely find any where else.

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  • How to make XFCE show the Shutdown Menu?

    - by topskip
    I have installed XFCE on an "Ubuntu Server" (in a Virtual Machine) so I have a small and fast environment. But when I want to log out, I usually (not always) see a gray shutdown and reboot button, but I like to be able to shutdown via that menu (I know of shutdown -h now, but the users of my machine don't necessarily know). I use the display manager 'slim'. Question: how can I enable these buttons permanently?

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  • [JAVA]How to make my Oracle update/insert action through JAVA faster?

    - by gunbuster363
    [JAVA]How to make my Oracle update/insert action through JAVA faster? Hi everyone, I am facing a problem in my company that is - our program's speed is not fast enough. To be more specific, we are telecommunication company and this program handle call/internet serfing transaction made by every mobile phone users in our city. Because the amount of download content made by the iphone users is just too much, our program cannot handle them fast enough. The situation is, the amount of transaction made by users are double of the transaction processed by our program. Most of the running time of the program are dominated by DB transactions. I've search through the internet and browsed some sites ( for example: http://www.javaperformancetuning.com/tips/rawtips.shtml ) talking about java performace in DB, but I cannot find a suggestion suitable for us. these advices are not applicable/already used, for instance: 1)Use prepared statements. Use parametrized SQL Already used prepared statement. Each time will use different parameter by clear parameters and set parameters. 2)Tune the SQL to minimize the data returned (e.g. not 'SELECT *'). Sure, already used. 3)Use connection pooling. We hold a single connection during the program's execution. And I doubt that pooling cannot solve the problem because our program act as 1 user, so there are no problem for concurrent access to DB. If anyone of you think pooling is good, please tell me why. Thanks. 4)Try to combine queries and batch updates. Cannot do it. Every query/insert/update is depend on the database's information. For example, we look up the DB for the client's information, if we cannot find his usage, we insert the usage into DB, otherwise we do update. 5)Close resources (Connections, Statements, ResultSets) when finished Sure. 6)Select the fastest JDBC driver. I don't know. I've search on the internet about the type of driver available and I am very confused. We use oracle.jdbc.driver.OracleDriver and we use thin instead of oci, that's all I know. In addition, our program is a two-tier way ( java <- oracle ) 7)turn off auto-commit already done that. Looking forwards to any helps, thank you very much.

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  • Avoid double compression of resources

    - by user1095108
    I am using .pngs for my textures and am using a virtual file system in a .zip file for my game project. This means my textures are compressed and decompressed twice. What are the solutions to this double compression problem? One solution I've heard about is to use .tgas for textures, but it seems ages ago, since I've heard that. Another solution is to implement decompression on the GPU and, since that is fast, forget about the overhead.

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  • Winter4Net

    - by csharp-source.net
    Winter.NET is a lightweight Spring-like inversion of control (IoC) container for .NET platform. Its main features: - XML-based objects graph configuration - compact: implements conceptually full and minimum-required features of Spring-compatible XML configuration (assembly size is less than 50kb). - fast: optimized for huge component graph configurations and small memory consumption - .NET integration: supports System.ComponentModel interfaces

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  • What is Rainbow (not the CMS)

    - by Jeremy Thompson
    I was reading this excellent blog article regarding speeding up the badge page and in the last comment the author @waffles (a.k.a Sam Saffron) mentions these tools: dapper and a bunch of custom helpers like rainbow, sql builder etc Dapper and sql builder was easy to look up but rainbow keeps pointing me to a CMS, can someone please point me to the real source? Thanks. Obviously the architecture of these [SE] sites is uber cool and ultra fast so no comments on that thanks.

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  • Hashing 3D position into 2D position

    - by notabene
    I am doing volumetric raycasting and curently working on depth jitter. I have 3D position on ray and want to sample 2D noise texture to jitter the depth. Function for converting (or hashing) 3D position to 2D have to produce absolutely different numbers for a little changes (especialy because i am sampling in texture space so sample values differs very very little) and have to be "shader-wise" - so forget about branches, cycles etc. I'm looking forward for yours nice and fast solutions.

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