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• Social Network Updates: While You Were Busy Marketing 2

  - by Mike Stiles

  Since social moves at the speed of data, it’s already time for another update, as we did back in April, on the changes the various social networks have made or gone through while you were busy marketing. Facebook There’s a lot of talk Facebook’s developing a mobile product to act like Flipboard and surface news, from both users and media outlets. The biggest news was Facebook/Instagram’s introduction of 15-second videos, enhanced with with filters, to take some of Vine’s candy. You can also delete parts of videos and rerecord them, and there’s image stabilization. Facebook’s ad revenue is coming along just fine, thank you very much. 35% quarter-to-quarter growth in Q2. And it looks like new formats like Mobile App Install Ads and Unpublished Page Posts are adding to the mix. If you don’t already, you’ll soon see a little camera in comment boxes letting you insert photos right into the comments you make. The drive toward “more visual” continues. The other big news is Facebook’s adoption of our Twitter friend, the hashtag. Adding # sets apart the post topic so it can be easily found or discovered. It’s also being added to Google Plus, Tumblr, and Pinterest. Twitter Want to send someone a promoted tweet when they’re in range of your store? That could be happening by the end of this year. Some users have been seeing automatic in-stream previews of images on Twitter.com. Right now it’s images in your own tweets, but we can assume all tweets are next. Get your followers organized! Twitter raised the limit on the number of lists you can create from 20 to 1,000. They also raised the number of accounts you can have in a list from 500 to 5,000. Twitter started notifying you when someone favorites a tweet you’re mentioned in or re-tweets a tweet you re-tweeted. Anyway, it’s the first time Twitter’s notified you about indirect interactions like that. Who’s afraid of Instagram? A study shows 6-second Vine videos are being posted to Twitter at the rate of 9/second, up from 5/second 2 months ago. Vine has over 13 million users and branded Vines are 4x more likely to be shared than video ads. Google Plus Now featuring a 3-column redesigned stream, and images that take up a whole column. And photo filters Auto Highlight and Auto Awesome work to turn your photos into a real show. Google Hangouts is the workhorse for all Google messaging now, it’s not just an online chat with 9 people anymore. Google Plus Dashboard improves the connection between your company’s Google Plus business page and your Google Plus Local. Updates go out across all Google properties and you can do your managing from the dashboard. With Google Plus’ authorship system, you can build “Author Rank” based on what you write and put on the web. If your stuff is +1’ed and shared a lot, you’re the real deal and there are search result benefits. LinkedIn "Who's Viewed Your Updates" shows you what you’ve shared recently, who saw it and what they did about it in real-time. “Influencers” is, well, influential. Traffic to all LI news products has gone up 8x since it was introduced. LinkedIn is quickly figuring out how to get users to stick around awhile. You and your brand can post images and documents in status updates now. In fact, that whole “document posting” thing is making some analysts wonder if LinkedIn will drift on over to the Dropboxes and YouSendIts of the world. C’mon, admit it. Your favorite part of LinkedIn is being able to see who’s viewed your profile. Now you’ve got even more info and can see what/who you have in common. Premium users get even deeper insights about how people are finding them. If you’re a big fan of security, you’ll love that LinkedIn started offering two-factor authentication (2FA). It’s optional, but step 2 is a one-time code texted to your registered mobile. Pinterest A study showed pins have a looong shelf life compared to other social net posts. “Clicks kept coming for 30 days and beyond.” Most pins are timeless, and the infinite scroll causes people to see older pins. Is it a keeper? Pinterest jumped 82% to 54 million users in the past year. It’s valued at $2.5 billion and is one of the biggest sources of referral traffic there is. That said, CEO Ben Silbermann adds, "Right now, we don't make money." A new search feature stops you from having to endlessly scroll through your own pins looking for that waterfall picture you posted. Simply select “just my pins” in the search bar. New "Rich Pins" lets brands add info like price and availability to pins that can be updated daily via a data feed from your merchant site. Not so fast, you have to apply to Pinterest for it first. Like other social nets, Pinterest does not allow sexual content, nudity, or even partial nudity. However…some art contains nudity, and Pinterest wants to allow art. What constitutes “art” will be judged by…what we have to assume are Pinterest employees who love their job. @mikestilesPhoto: stock.xchng, Tim Marmon

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• What is New in ASP.NET 4 Web Development Overview

  - by Aamir Hasan

   Microsoft Recently Microsoft introduce Visual  studio 2010 which have new feature's Name of some new Features are given below. In ASP.NET 4.O has focus on performance and Search Engine Optimization. I'll be taking a look at what I think are the most important new features in ASP.NET 4.Output cache extensibility Session state compression View state mode for individual control Page.MetaKeyword and Page.MetaDescription properties Response.RedirectPermanent method Routing in ASP.NET Increase the URL character length New syntax for Html Encode Predictable Client IDs Web.config file refactoring Auto-Start ASP.NET applications Improvements on Microsoft Ajax LibraryReference:ASP.NET 4 and Visual Studio 2010 Web Development Overview 

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• Why does Ubuntu refuse to execute files from an NTFS partition?

  - by Ivan

  I mount an NTFS partition (where I've got some Linux binaries and scripts alongside with Win32 and data files) with the following fstab line: /dev/sda5 /mnt/dat ntfs-3g rw,dev,exec,auto,async,users,umask=000,uid=1000,gid=1000,locale=en_US.utf8, errors=remount-ro 0 0 All files seem to have executable attribute set then, but if I try to actually execute them, I get "Permission denied" error. Even with sudo. Even while execute (as well as read and write) permissions are granted to everyone and all the files owner is set to the user. So how do I set the system up to be able to run Linux binaries from NTFS?

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• TypeLoadException says 'no implementation', but it is implemented

  - by Benjol

  (I spent a few hours yesterday fighting with this problem, couldn't find any solutions here or anywhere else, so I'm adding this here for anyone else who has this problem.) I've got a very weird bug on our test machine. The error is: System.TypeLoadException: Method 'SetShort' in type 'DummyItem' from assembly 'ActiveViewers (...)' does not have an implementation. I just can't understand why - I'm looking at my code, SetShort is there in the DummyItem class, and I've even recompiled a version with writes to the event log just to make sure that it's not a deployment/versioning issue. The weird thing is that the calling code doesn't even call the SetShort method...

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• Google I/O 2010 - Ignite Google I/O

  Google I/O 2010 - Ignite Google I/O Google I/O 2010 - Ignite Google I/O Tech Talks Brady Forrest, Krissy Clark, Ben Huh, Matt Harding, Clay Johnson, Bradley Vickers, Aaron Koblin, Michael Van Riper, Anne Veling, James Young Ignite captures the best of geek culture in a series of five-minute speed presentations. Each speaker gets 20 slides that auto-advance after 15 seconds. Check out last year's Ignite Google I/O. For all I/O 2010 sessions, please go to code.google.com/events/io/2010/sessions.html From: GoogleDevelopers Views: 206 3 ratings Time: 58:30 More in Science & Technology

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• jQuery Datatable in MVC &hellip; extended.

  - by Steve Clements

  There are a million plugins for jQuery and when a web forms developer like myself works in MVC making use of them is par-for-the-course!  MVC is the way now, web forms are but a memory!! Grids / tables are my focus at the moment.  I don’t want to get in to righting reems of css and html, but it’s not acceptable to simply dump a table on the screen, functionality like sorting, paging, fixed header and perhaps filtering are expected behaviour.  What isn’t always required though is the massive functionality like editing etc you get with many grid plugins out there. You potentially spend a long time getting everything hooked together when you just don’t need it. That is where the jQuery DataTable plugin comes in.  It doesn’t have editing “out of the box” (you can add other plugins as you require to achieve such functionality). What it does though is very nicely format a table (and integrate with jQuery UI) without needing to hook up and Async actions etc.  Take a look here… http://www.datatables.net I did in the first instance start looking at the Telerik MVC grid control – I’m a fan of Telerik controls and if you are developing an in-house of open source app you get the MVC stuff for free…nice!  Their grid however is far more than I require.  Note: Using Telerik MVC controls with your own jQuery and jQuery UI does come with some hurdles, mainly to do with the order in which all your jQuery is executing – I won’t cover that here though – mainly because I don’t have a clear answer on the best way to solve it! One nice thing about the dataTable above is how easy it is to extend http://www.datatables.net/examples/plug-ins/plugin_api.html and there are some nifty examples on the site already… I however have a requirement that wasn’t on the site … I need a grid at the bottom of the page that will size automatically to the bottom of the page and be scrollable if required within its own space i.e. everything above the grid didn’t scroll as well.  Now a CSS master may have a great solution to this … I’m not that master and so didn’t! The content above the grid can vary so any kind of fixed positioning is out. So I wrote a little extension for the DataTable, hooked that up to the document.ready event and window.resize event. Initialising my dataTable ( s )… $(document).ready(function () {   var dTable = $(".tdata").dataTable({ "bPaginate": false, "bLengthChange": false, "bFilter": true, "bSort": true, "bInfo": false, "bAutoWidth": true, "sScrollY": "400px" });   My extension to the API to give me the resizing….   // ********************************************************************** // jQuery dataTable API extension to resize grid and adjust column sizes // $.fn.dataTableExt.oApi.fnSetHeightToBottom = function (oSettings) { var id = oSettings.nTable.id; var dt = $("#" + id); var top = dt.position().top; var winHeight = $(document).height(); var remain = (winHeight - top) - 83; dt.parent().attr("style", "overflow-x: auto; overflow-y: auto; height: " + remain + "px;"); this.fnAdjustColumnSizing(); } This is very much is debug mode, so pretty verbose at the moment – I’ll tidy that up later! You can see the last call is a call to an existing method, as the columns are fixed and that normally involves so CSS voodoo, a call to adjust those sizes is required. Just above is the style that the dataTable gives the grid wrapper div, I got that from some firebug action and stick in my new height. The –83 is to give me the space at the bottom i require for fixed footer!   Finally I hook that up to the load and window resize.  I’m actually using jQuery UI tabs as well, so I’ve got that in the open event of the tabs.   $(document).ready(function () { var oTable; $("#tabs").tabs({ "show": function (event, ui) { oTable = $('div.dataTables_scrollBody>table.tdata', ui.panel).dataTable(); if (oTable.length > 0) { oTable.fnSetHeightToBottom(); } } }); $(window).bind("resize", function () { oTable.fnSetHeightToBottom(); }); }); And that all there is too it.  Testament to the wonders of jQuery and the immense community surrounding it – to which I am extremely grateful. I’ve also hooked up some custom column filtering on the grid – pretty normal stuff though – you can get what you need for that from their website.  I do hide the out of the box filter input as I wanted column specific, you need filtering turned on when initialising to get it to work and that input come with it!  Tip: fnFilter is the method you want.  With column index as a param – I used data tags to simply that one.

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• Partner Induction Bootcamp - Technology Guided Learning Path

  - by Paulo Folgado

  Partner Induction Bootcamp - TechnologyGuided Learning Path Em suporte do nosso objectivo de promover a auto-suficiência dos nossos parceiros, temos o prazer de anunciar o lançamento do novo plano de formação: EMEA Partner Induction Bootcamp Technology. Este plano de formação (Guided Learning Path) cobre não só uma introdução ao "stack" tecnológico Oracle, mas também às Técnicas de Vendas e Processos de Negócio, visando aumentar a capacidade das equipas de Vendas dos Parceiros na identificação de oportunidades de negócio e consequentemente incrementar o seu negócio com a Oracle. Este Plano de Formação contempla 2 níveis: Nível 1 - Awareness: 17 sessões diferentes de eLearning pré-gravadas cobrindo todo o "stack" tecnológicoOracle. Estão organizadas em 3 grandes módulos: Base de Dados e Opções, Fusion Middleware e BI. No final de cada módulo, existe uma prova de avaliação. Nível 2 - Proficiency: Uma formação de 2 dias em sala de aula para melhorar e praticar as técnicas de gestão de oportunidades de negócio. Estas formações estão disponíveis apenas aos membros registados no OPN que trabalham com Tecnologia Oracle. Para mais informação sobre o the EMEA Partner Induction Bootcamp Technology, clique aqui.

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• No Wi-Fi after system reboot

  - by ILya

  Something strange is happening... I've installed a Wi-Fi card into my Ubuntu Server 11.04 machine. To configure it I do the following: sudo vi /etc/network/interfaces add: iface wlan0 inet dhcp wpa-driver wext wpa-ssid "Sweet Home" wpa-ap-scan 1 wpa-proto WPA wpa-pairwise TKIP wpa-group TKIP wpa-key-mgmt WPA-PSK wpa-psk <A KEY> auto wlan0 then: $ sudo /etc/init.d/networking restart * Running /etc/init.d/networking restart is deprecated because it may not enable again some interfaces * Reconfiguring network interfaces... ssh stop/waiting ssh start/running, process 1522 ssh stop/waiting ssh start/running, process 1590 And my machine successfully gets an ip to my wireless adapter. But after reboot it doesn't get any ip in wireless network. To fix it I run /etc/init.d/networking restart again and all is fine again - it gets an ip. I understand that I simply should add it to my startup scripts to make it work properly, but maybe there is a better way to configure it?

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• Partition Wise Joins

  - by jean-pierre.dijcks

  Some say they are the holy grail of parallel computing and PWJ is the basis for a shared nothing system and the only join method that is available on a shared nothing system (yes this is oversimplified!). The magic in Oracle is of course that is one of many ways to join data. And yes, this is the old flexibility vs. simplicity discussion all over, so I won't go there... the point is that what you must do in a shared nothing system, you can do in Oracle with the same speed and methods. The Theory A partition wise join is a join between (for simplicity) two tables that are partitioned on the same column with the same partitioning scheme. In shared nothing this is effectively hard partitioning locating data on a specific node / storage combo. In Oracle is is logical partitioning. If you now join the two tables on that partitioned column you can break up the join in smaller joins exactly along the partitions in the data. Since they are partitioned (grouped) into the same buckets, all values required to do the join live in the equivalent bucket on either sides. No need to talk to anyone else, no need to redistribute data to anyone else... in short, the optimal join method for parallel processing of two large data sets. PWJ's in Oracle Since we do not hard partition the data across nodes in Oracle we use the Partitioning option to the database to create the buckets, then set the Degree of Parallelism (or run Auto DOP - see here) and get our PWJs. The main questions always asked are: How many partitions should I create? What should my DOP be? In a shared nothing system the answer is of course, as many partitions as there are nodes which will be your DOP. In Oracle we do want you to look at the workload and concurrency, and once you know that to understand the following rules of thumb. Within Oracle we have more ways of joining of data, so it is important to understand some of the PWJ ideas and what it means if you have an uneven distribution across processes. Assume we have a simple scenario where we partition the data on a hash key resulting in 4 hash partitions (H1 -H4). We have 2 parallel processes that have been tasked with reading these partitions (P1 - P2). The work is evenly divided assuming the partitions are the same size and we can scan this in time t1 as shown below. Now assume that we have changed the system and have a 5th partition but still have our 2 workers P1 and P2. The time it takes is actually 50% more assuming the 5th partition has the same size as the original H1 - H4 partitions. In other words to scan these 5 partitions, the time t2 it takes is not 1/5th more expensive, it is a lot more expensive and some other join plans may now start to look exciting to the optimizer. Just to post the disclaimer, it is not as simple as I state it here, but you get the idea on how much more expensive this plan may now look... Based on this little example there are a few rules of thumb to follow to get the partition wise joins. First, choose a DOP that is a factor of two (2). So always choose something like 2, 4, 8, 16, 32 and so on... Second, choose a number of partitions that is larger or equal to 2* DOP. Third, make sure the number of partitions is divisible through 2 without orphans. This is also known as an even number... Fourth, choose a stable partition count strategy, which is typically hash, which can be a sub partitioning strategy rather than the main strategy (range - hash is a popular one). Fifth, make sure you do this on the join key between the two large tables you want to join (and this should be the obvious one...). Translating this into an example: DOP = 8 (determined based on concurrency or by using Auto DOP with a cap due to concurrency) says that the number of partitions >= 16. Number of hash (sub) partitions = 32, which gives each process four partitions to work on. This number is somewhat arbitrary and depends on your data and system. In this case my main reasoning is that if you get more room on the box you can easily move the DOP for the query to 16 without repartitioning... and of course it makes for no leftovers on the table... And yes, we recommend up-to-date statistics. And before you start complaining, do read this post on a cool way to do stats in 11.

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• Upgrading to Oracle Enterprise Manager 12c Release 2: Top Tips One Must Know

  - by AnkurGupta

  Recently Oracle announced incremental release of Enterprise Manager 12c called Enterprise Manager 12c Release 2 (EM12c R2) which includes several new exciting features (Press announcement). Right before the official release, we upgraded an internal production site from EM 12c R1 to EM 12c R2 and had an extremely pleasant experience. Let me share few key takeaways as well as few tips from this upgrade exercise. I - Why Should You Upgrade To Enterprise Manager 12c Release 2 While an upgrade is usually recommended primarily to take benefit of the latest features (which is valid for this upgrade as well), I found several other compelling reasons purely from deployment perspective. Standardize your EM deployment:  Enterprise Manager comprises of several different components (OMS, agents, plug-ins, etc) and it might be possible that these are at varied patch levels in your environment. For instance, in case of an environment containing Bundle Patch 1 (customer announcement), there is a good chance that you may not have all the components up-to-date. There are two possible reasons. Bundle Patch 1 involved patching different components (OMS, agents, plug-ins) with multiple one-off patches which may not have been applied to all components yet. Bundle Patch 1 for different platforms were not released together. Which means you may not have got the chance to patch all the components on different platforms. Note: BP1 patches are not mandatory to upgrade to EM12c R2 release EM 12c R2 provides an excellent opportunity to standardize your Cloud Control environment (OMS, repository and agents) and plug-ins to latest versions in single shot. All platform releases are made available simultaneously: For the very first time in the history of EM release, all the platforms were released on day one itself, which means you do not need to wait for platform specific binaries for EM OMS or Agent to perform install or upgrades in a heterogeneous environment. Highly refined and automated process – Upgrade process is by far the smoothest and the cleanest as compared to previous releases of Enterprise manager. Following are the ones that stand out. Automatic Plug-in management – Plug-in upgrade along with new plug-in deployment is supported in upgrade installer wizard which means bulk of the updates to OMS and repository can be done in the same workflow. Saves time and minimizes user inputs. Plug-in Upgrade or Migrate Auto Update: While doing the OMS and repository upgrade, you can use Auto Update screen in Oracle Universal Installer to check for any updates/patches. That will help you to avoid the know issues and will make sure that your upgrade is successful. Allows mass upgrade of EM Agents – A new dedicated menu has been added in the EM console for agent upgrade. Agent upgrade workflow is extremely simple that requires agent name as the only input. ADM / JVMD Manager/Agent upgrade – complete process is supported via UI screens. EM12c R2 Upgrade Guide is much simpler to follow as compared to those for earlier releases. This is attributed to the simpler upgrade process. Robust and Performing Platform: EM12c R2 release not only includes several new features, but also provides a more stable platform which incorporates several fixes and enhancements in the Enterprise Manager framework. II - Few Tips To Remember In my last post (blog link) I shared few tips and tricks from my experience applying the Bundle Patch. Recently I upgraded the same site to EM 12c R2 and found few points that you must take note of, while planning this upgrade. The tips below are also applicable to EM 12c R1 environments that do not have Bundle Patch 1 patches applied. Verify the monitored application certification – Specific targets like E-Business Suite have not yet been certified as managed target in EM 12c R2. Therefore make sure to recheck the Enterprise Manager certification Matrix on My Oracle Support before planning the upgrade. Plan downtime – Because EM 12c R2 is an incremental release of EM 12c, for EM 12c R1 to EM 12c R2 upgrade supports only 1-system upgrade approach, which mean there will be downtime. OMS name change after upgrade – In case of multi OMS environments, additional OMS is renamed after upgrade, which has few implications when you upgrade JVMD and ADP agents on OMS. This is well documented in upgrade guide but make sure you read through all the notes. Upgrading BI Publisher– EM12c R2 is certified with BI Publisher 11.1.1.6.0 only. Therefore in case you are using EM 12c R1 which is integrated with BI Publisher 11.1.1.5.0, you must upgrade the BI Publisher to 11.1.1.6.0. Follow the steps from Advanced Installation and Configuration Guide here. Perform Post upgrade Tasks – Make sure to perform post upgrade steps mentioned in documentation here. These include critical changes that must be done right after upgrade to get the right configuration. For instance Database plug-in should be upgraded to Revision 3 (12.1.0.2.0 [u120804]). Delete old OMS Home – EM12c R1 to EM12c R2 is an out of place upgrade, which means it creates a new oracle home for OMS, plug-ins, etc. Therefore please ensure that You have sufficient extra space for new OMS before starting the upgrade process. You clean up the old OMS home after the upgrade process. Steps are available here. DO NOT remove the agent home on OMS host, because agent is upgraded in-place. If you have standby OMS setup then do look into the steps to upgrade the standby OMS from the upgrade guide before going ahead. Read the right documentation – Make sure to follow the Upgrade guide which provides the most comprehensive information on EM12c R2 upgrade process. Additionally you can refer other resources to get familiar with upgrade concepts. Recorded webcast - Oracle Enterprise Manager Cloud Control 12c Release 2 Installation and Upgrade Overview Presentation - Understanding Enterprise Manager 12.1.0.2 Upgrade We are very excited about this latest release and will look forward to hear back any feedback from your upgrade experience!

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• What is the quickest way to indent a block of text with spaces for use within a web browser?

  - by ændrük

  I occasionally have the need to indent a block of text with spaces for use within a web browser, for example, when formatting a code block on this site or in a post on Launchpad. So far I've just done it by hand by copying four spaces to the clipboard and then mashing keys really fast: ?, Home, Ctrl+V (repeat) What is the quickest way to accomplish this? Copying and pasting to another program? (Which?) A Firefox or Chrome browser extension? A command to directly modify the clipboard contents? An auto-typing program?

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• .xcodeproj does not get committed with XCode's SCM Tool

  - by Dimitris

  I am using the SCM Tools embedded in XCode to manage my app's versioning. I have created an iPhone app and I have added/committed it to the Subversion server but the .xcodeproj file won't upload (all the class files, resources etc are there)! I don't even get the option to "Add to Repository". Sometimes it gets an "A" (add) next to it under the "SCM" column but still, the next time I commit changes or commit entire project it still doesn't upload and show up on the server. As a result my team can't get and run the project. Is there a way to so something (other than just use the terminal or Versions)? Thank you.

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• How to tweet automatically when you push a new package to nuget.org

  - by Daniel Cazzulino

  Wouldn’t it be nice if your followers could be notified whenever you publish a new version of a NuGet package? Currently, nuget.org offers no support for this, but with the following tricks, you can get it working without programming. The essential idea is to use the OData feed that nuget.org exposes to build an RSS feed with new items as you publish them, and have IFTTT do the tweeting from it. The tools we’ll use to get this working are: LinqPad: to examine the nuget.org OData feed at https://nuget.org/api/v2  Yahoo Pipes: to tweak the OData feed output so that it looks like a “plain” feed IFTTT: to consume the pipe output and auto-tweet on new items   Exploring NuGet OData Feed with LinqPad In order to build the query that will become your tweets’ source, we will add a new connection in LinqPad by clicking on the “Add Connection” link:...Read full article

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• 10 Ways to Get a Document into AxCMS.net

  - by Axinom

  Since AxCMS.net 9.1 there is a possibility to upload multiple files simultenously (with a simple Silverlight component). While I was waiting for my files to upload, I started to think about which other methods we currently have in AxCMS.net for uploading documents. I came up with 10 and same evening this article was ready: 10 Ways to Get a Document into AxCMS.net The Classic: Individual Manual Upload Document Creation Box Upload Multiple Files Files from a Remote URL Files from Windows SharePoint Services (WSS) WebDAV ZIP Create Documents Programmatically Apply Auto-Formatting Send the Documents via Email Always choose the most appropriate way to upload your documents into AxCMS.net. Consider size of the documents, how many you have, where to they come from and which other tools you use.  

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• Local Events | Azure Bootcamp

  - by Jeff Julian

  Coming to Kansas City April 8th and 9th is the Microsoft Azure Bootcamp. This event looks very promising for those developers who are looking into Azure for themselves or their companies. It covers the wide range of topics required to understand what Azure really is and is not. Space is limited so if you are considering Azure, register for this event today.Agenda:Module 1: Introduction to cloud computer and AzureHow it worksKey ScenariosThe development environment and SDKModule 2: Using Web RolesBasic ASP.NETBasic configurationModule 3: Blobs: File Storage in the cloudModule 4: Tables: Scalable hierarchical storageModule 5: Queues: Decoupling your systemsModule 6: Basic Worker RolesExecuting backend processesConsuming a queueLeveraging local storageModule 7: Advanced Worker RolesExternal EndpointsInter-role communicationModule 8: Building a business with AzureUsing Azure as an ISV or a partnerAdvantages to delivering valueBPOSPricingModule 9: SQL AzureSetting it upSQL Azure firewallRemote managementMigrating dataModule 10: AppFabricService BusAccess Control SystemIdentity in the cloudModule 11: Cloud ScenariosApp migration strategiesDisposable computingDynamic scaleShuntingPrototypingMultitenant applications (This is my second attempt at this post after MacJournal decided to crash and not save my work. Authoring tools all need auto-save features by now, that is a requirement set in stone by Microsoft Word 97) Related Tags: Azure, Microsoft, Kansas City

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• Need to compare blobs in firebird

  - by Michael Beck

  Hey guys, I need to check on the contents of blobs in my databases (yes, plural, but one problem at a time). In one database, I have about 900 images of potentially varying sizes. I need to check to see if the versioning system that's built into our application is actually correctly replicating the image data from the previous version to the new version of a record. How do I compare values en masse so I don't have to pick through each record one at a time and open up the blob using FlameRobin or Firebird Maestro and visually compare these images? Thanks for any assistance.

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• How to format a USB stick

  - by VictorL

  My USB stick looks dead : victor@X301A1:~$ umount /dev/sdc1 victor@X301A1:~$ sudo mkfs -t vfat /dev/sdc1 mkfs.vfat 3.0.12 (29 Oct 2011) mkfs.vfat: unable to open /dev/sdc1: Read-only file system victor@X301A1:~$ sudo hdparm -r0 /dev/sdc1 /dev/sdc1: setting readonly to 0 (off) readonly = 0 (off) victor@X301A1:~$ sudo fsck -n /dev/sdc1 fsck de util-linux 2.20.1 dosfsck 3.0.12, 29 Oct 2011, FAT32, LFN /.Trash-1000/files/sans_titre Start does point to root directory. Deleting dir. /.Trash-1000/files/Bus CAN Start does point to root directory. Deleting dir. Reclaimed 190903 unused clusters (781938688 bytes). Free cluster summary wrong (1001897 vs. really 1383698) Auto-correcting. Leaving file system unchanged. /dev/sdc1: 8052 files, 566660/1950358 clusters Is there anyway for me to recover my USB stick ? Thank

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• Why does setting a geometry shader cause my sprites to vanish?

  - by ChaosDev

  My application has multiple screens with different tasks. Once I set a geometry shader to the device context for my custom terrain, it works and I get the desired results. But then when I get back to the main menu, all sprites and text disappear. These sprites don't dissappear when I use pixel and vertex shaders. The sprites are being drawn through D3D11, of course, with specified view and projection matrices as well an input layout, vertex, and pixel shader. I'm trying DeviceContext->ClearState() but it does not help. Any ideas? void gGeometry::DrawIndexedWithCustomEffect(gVertexShader*vs,gPixelShader* ps,gGeometryShader* gs=nullptr) { unsigned int offset = 0; auto context = mp_D3D->mp_Context; //set topology context->IASetPrimitiveTopology(m_Topology); //set input layout context->IASetInputLayout(mp_inputLayout); //set vertex and index buffers context->IASetVertexBuffers(0,1,&mp_VertexBuffer->mp_Buffer,&m_VertexStride,&offset); context->IASetIndexBuffer(mp_IndexBuffer->mp_Buffer,mp_IndexBuffer->m_DXGIFormat,0); //send constant buffers to shaders context->VSSetConstantBuffers(0,vs->m_CBufferCount,vs->m_CRawBuffers.data()); context->PSSetConstantBuffers(0,ps->m_CBufferCount,ps->m_CRawBuffers.data()); if(gs!=nullptr) { context->GSSetConstantBuffers(0,gs->m_CBufferCount,gs->m_CRawBuffers.data()); context->GSSetShader(gs->mp_D3DGeomShader,0,0);//after this call all sprites disappear } //set shaders context->VSSetShader( vs->mp_D3DVertexShader, 0, 0 ); context->PSSetShader( ps->mp_D3DPixelShader, 0, 0 ); //draw context->DrawIndexed(m_indexCount,0,0); } //sprites void gSpriteDrawer::Draw(gTexture2D* texture,const RECT& dest,const RECT& source, const Matrix& spriteMatrix,const float& rotation,Vector2d& position,const Vector2d& origin,const Color& color) { VertexPositionColorTexture* verticesPtr; D3D11_MAPPED_SUBRESOURCE mappedResource; unsigned int TriangleVertexStride = sizeof(VertexPositionColorTexture); unsigned int offset = 0; float halfWidth = ( float )dest.right / 2.0f; float halfHeight = ( float )dest.bottom / 2.0f; float z = 0.1f; int w = texture->Width(); int h = texture->Height(); float tu = (float)source.right/(w); float tv = (float)source.bottom/(h); float hu = (float)source.left/(w); float hv = (float)source.top/(h); Vector2d t0 = Vector2d( hu+tu, hv); Vector2d t1 = Vector2d( hu+tu, hv+tv); Vector2d t2 = Vector2d( hu, hv+tv); Vector2d t3 = Vector2d( hu, hv+tv); Vector2d t4 = Vector2d( hu, hv); Vector2d t5 = Vector2d( hu+tu, hv); float ex=(dest.right/2)+(origin.x); float ey=(dest.bottom/2)+(origin.y); Vector4d v4Color = Vector4d(color.r,color.g,color.b,color.a); VertexPositionColorTexture vertices[] = { { Vector3d( dest.right-ex, -ey, z),v4Color, t0}, { Vector3d( dest.right-ex, dest.bottom-ey , z),v4Color, t1}, { Vector3d( -ex, dest.bottom-ey , z),v4Color, t2}, { Vector3d( -ex, dest.bottom-ey , z),v4Color, t3}, { Vector3d( -ex, -ey , z),v4Color, t4}, { Vector3d( dest.right-ex, -ey , z),v4Color, t5}, }; auto mp_context = mp_D3D->mp_Context; // Lock the vertex buffer so it can be written to. mp_context->Map(mp_vertexBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource); // Get a pointer to the data in the vertex buffer. verticesPtr = (VertexPositionColorTexture*)mappedResource.pData; // Copy the data into the vertex buffer. memcpy(verticesPtr, (void*)vertices, (sizeof(VertexPositionColorTexture) * 6)); // Unlock the vertex buffer. mp_context->Unmap(mp_vertexBuffer, 0); //set vertex shader mp_context->IASetVertexBuffers( 0, 1, &mp_vertexBuffer, &TriangleVertexStride, &offset); //set texture mp_context->PSSetShaderResources( 0, 1, &texture->mp_SRV); //set matrix to shader mp_context->UpdateSubresource(mp_matrixBuffer, 0, 0, &spriteMatrix, 0, 0 ); mp_context->VSSetConstantBuffers( 0, 1, &mp_matrixBuffer); //draw sprite mp_context->Draw( 6, 0 ); }

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• addins deployment

  - by user326198

  Hello Everyone, we have a product that work as standalone and Clickonce , we created some components as addins in the system (based on microsoft System.addin) we need a mechanism to update this addins on the customers in the two cases stand and click once I'm thinking for the stand alone we just send the customer a CD to update the addins and I'm thinking also to deploy the addins as Packages like System.IO.Packaging so I can know the version of addin update it or delete it but How I will Achieve this in click once the user will just press update in the addin manager in the application How I can manage the versioning and updating this addins I hope to help me to architect this structure of addins update

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• Optimizing collision engine bottleneck

  - by Vittorio Romeo

  Foreword: I'm aware that optimizing this bottleneck is not a necessity - the engine is already very fast. I, however, for fun and educational purposes, would love to find a way to make the engine even faster. I'm creating a general-purpose C++ 2D collision detection/response engine, with an emphasis on flexibility and speed. Here's a very basic diagram of its architecture: Basically, the main class is World, which owns (manages memory) of a ResolverBase*, a SpatialBase* and a vector<Body*>. SpatialBase is a pure virtual class which deals with broad-phase collision detection. ResolverBase is a pure virtual class which deals with collision resolution. The bodies communicate to the World::SpatialBase* with SpatialInfo objects, owned by the bodies themselves. There currenly is one spatial class: Grid : SpatialBase, which is a basic fixed 2D grid. It has it's own info class, GridInfo : SpatialInfo. Here's how its architecture looks: The Grid class owns a 2D array of Cell*. The Cell class contains two collection of (not owned) Body*: a vector<Body*> which contains all the bodies that are in the cell, and a map<int, vector<Body*>> which contains all the bodies that are in the cell, divided in groups. Bodies, in fact, have a groupId int that is used for collision groups. GridInfo objects also contain non-owning pointers to the cells the body is in. As I previously said, the engine is based on groups. Body::getGroups() returns a vector<int> of all the groups the body is part of. Body::getGroupsToCheck() returns a vector<int> of all the groups the body has to check collision against. Bodies can occupy more than a single cell. GridInfo always stores non-owning pointers to the occupied cells. After the bodies move, collision detection happens. We assume that all bodies are axis-aligned bounding boxes. How broad-phase collision detection works: Part 1: spatial info update For each Body body: Top-leftmost occupied cell and bottom-rightmost occupied cells are calculated. If they differ from the previous cells, body.gridInfo.cells is cleared, and filled with all the cells the body occupies (2D for loop from the top-leftmost cell to the bottom-rightmost cell). body is now guaranteed to know what cells it occupies. For a performance boost, it stores a pointer to every map<int, vector<Body*>> of every cell it occupies where the int is a group of body->getGroupsToCheck(). These pointers get stored in gridInfo->queries, which is simply a vector<map<int, vector<Body*>>*>. body is now guaranteed to have a pointer to every vector<Body*> of bodies of groups it needs to check collision against. These pointers are stored in gridInfo->queries. Part 2: actual collision checks For each Body body: body clears and fills a vector<Body*> bodiesToCheck, which contains all the bodies it needs to check against. Duplicates are avoided (bodies can belong to more than one group) by checking if bodiesToCheck already contains the body we're trying to add. const vector<Body*>& GridInfo::getBodiesToCheck() { bodiesToCheck.clear(); for(const auto& q : queries) for(const auto& b : *q) if(!contains(bodiesToCheck, b)) bodiesToCheck.push_back(b); return bodiesToCheck; } The GridInfo::getBodiesToCheck() method IS THE BOTTLENECK. The bodiesToCheck vector must be filled for every body update because bodies could have moved meanwhile. It also needs to prevent duplicate collision checks. The contains function simply checks if the vector already contains a body with std::find. Collision is checked and resolved for every body in bodiesToCheck. That's it. So, I've been trying to optimize this broad-phase collision detection for quite a while now. Every time I try something else than the current architecture/setup, something doesn't go as planned or I make assumption about the simulation that later are proven to be false. My question is: how can I optimize the broad-phase of my collision engine maintaining the grouped bodies approach? Is there some kind of magic C++ optimization that can be applied here? Can the architecture be redesigned in order to allow for more performance? Actual implementation: SSVSCollsion Body.h, Body.cpp World.h, World.cpp Grid.h, Grid.cpp Cell.h, Cell.cpp GridInfo.h, GridInfo.cpp

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• How do I remove lubuntu-desktop?

  - by Alvar

  I wanted to try lubuntu-desktop so I installed it with sudo apt-get install lubuntu-desktop. But when I didn't like it I wanted to remove it with sudo apt-get remove lubuntu-desktop(then with auto-remove) but my startup / shutdown screen does still say lubuntu. So how do I remove lubuntu-desktop? Atempt one: sudo apt-get remove lubuntu-desktop lubuntu-artwork playmouth-theme-lubuntu-logo playmouth-theme-lubuntu-text I was unable to locate any of those packages. I've also tried to remove and install ubuntu-desktop, but none has worked.

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• Url Navigation

  - by russ.bishop

  One of the new features is URL-based navigation which is useful for creating intranet links or auto-generating email links (such as from workflow systems, etc). For IIS 6 and earlier, the format is as follows: http://machine/drm-client/Logon.aspx? app=<appname>&action=go&ver=<version name>&hier=<hier name>&node=<node name> Just replace the fields with their appropriate values (URL-encoded of course). <node name> is optional. If provided it will open the hierarchy and expand directly to the target node. Otherwise the hierarchy is opened to the top node. Note that if the specified version is not loaded it will be loaded automatically.

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• HP Deskjet 720C USB printer doesn't finish

  - by 213441265152351

  I have an HP Deskjet 720C connected through a USB cable to an Ubuntu 12.04 laptop. When I plugged the printer for the first time into the fresh 12.04 laptop install, it auto-detected the printer correctly and choose the recommended drivers without a problem. The document print fine until they reach the end of the last page, then suddenly stop just about the end leaving the page unfinished. I have checked that the margins are the correct ones. I have the latest version of cups installed. I have also tried changing the options of usb-unidir-default and usb-no-reattach-default via lpadmin, but the printing stops even earlier. EDIT: It seems like the problem is with the last page. So if I am printing 3 pages, the first two work well but the last few lines in the last page are not printed. Any ideas?

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• The Best of CES (Consumer Electronics Show) in 2011

  - by Justin Garrison

  This year, How-To Geek’s own Justin was on-site at the Consumer Electronics Show in Las Vegas, where every gadget manufacturer shows off their latest creations, and he was able to sit down and get hands-on with most of them. Here’s the best of the bunch. Make sure to also check out our list of the Worst of CES 2011, where we covered the gadgets that just didn’t make the cut Latest Features How-To Geek ETC HTG Projects: How to Create Your Own Custom Papercraft Toy How to Combine Rescue Disks to Create the Ultimate Windows Repair Disk What is Camera Raw, and Why Would a Professional Prefer it to JPG? The How-To Geek Guide to Audio Editing: The Basics How To Boot 10 Different Live CDs From 1 USB Flash Drive The 20 Best How-To Geek Linux Articles of 2010 Arctic Theme for Windows 7 Gives Your Desktop an Icy Touch Install LibreOffice via PPA and Receive Auto-Updates in Ubuntu Creative Portraits Peek Inside the Guts of Modern Electronics Scenic Winter Lane Wallpaper to Create a Relaxing Mood Access Your Web Apps Directly Using the Context Menu in Chrome The Deep – Awesome Use of Metal Objects as Deep Sea Creatures [Video]

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• Monitoring Database disk space

  - by Michael Freidgeim

  An article Data files: To Autogrow Or Not To Autogrow? recommends NOT to rely on auto-grow, because it causing delays in unplanned times.We should mtonitor database files(both data and log), and if they close to max capacity, manually increase the size. However it doesn't give references, how to monitor the free space inside databases. I've tried to look how to do it. It can be done manually using   execute sp_spaceused for the database in question or  sp_SOS (can be downloaded from http://searchsqlserver.techtarget.com/tip/Find-size-of-SQL-Server-tables-and-other-objects-with-stored-procedure)Alternatively you can run SQL commands as suggested in Http://www.sqlteam.com/forums/topic.asp?TOPIC_ID=82359 by Michael Valentine Jonesselect [FREE_SPACE_MB] = convert(decimal(12,2),round((a.size-fileproperty(a.name,'SpaceUsed'))/128.000,2)) from dbo.sysfiles aMore useful article Monitor database file sizes with SQL Server Jobs describes how to setup monitoring Finally I found the excellent articleManaging Database Data Usage With Custom Space Alerts, that can be followed even support personnel without much DBA experience.

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