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• Aircrack-ng, is it illegal?

  - by Jasen

  I just found out about this linux-based network toolset called aircrack-ng, and its pretty interesting, and I'm learning how to use it. But it just occured to me, that like a lot of linux programs, they're developed in foreign countries, with different laws. I did do a google search, and the only thing in regards to what i am asking that pops up is a question on another site. So, my question is, is it illegal in America, specifically Ohio, to use this program? I mean i know it has a legitimate purpose, but so does hemp. Also, sorry if this is the wrong place for this question, but I'm not exactly sure where it should go.

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• SqlServer2005 Enterprise Fast Recovery, SqlAgent Availability, and Replication

  - by automatic

  I have a database under SqlServer2005 Enterprise 64bit sp3, that is in phase 3 of 3 of recovery after a reboot without normal shutdown. It looks like with fast Recovery, the database became available when recovery moved into phase 3. However, it seems (based on message in SqlAgent log), that SqlAgent is "started" but not available to run jobs until recovery completes. I have other databases on the same server that are transactional publications. It seems to me that if I let users update the published databases, transactions will start to build up in the log, but won't be moved to the distribution database or onto the subscribers because SqlAgent isn't running jobs. Should I be overly concerned about performing updates before

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• Alternative to Daemontools (djbtools) to supervise unix processes?

  - by Stefan Lasiewski

  I've used Daemontools to provide a simple and reliable way to supervise Unix services on my servers. It works well, but it requires a different way of thinking (The DJB Way) and some common complaints are: TAI64N based timestamps Doesn't store scripts under /etc/init.d (or (/usr/local)/etc/rc.d) Doesn't always work with scripts like apachectl. Some scripts need to be rewritten. I remember that some similar "supervisor/watchdog" daemons were in the works about two years ago, but some were still a little rough around the edges. If you have switched from Daemontools to something else, what did you choose and did it work well for you? Does RedHat or Ubuntu come with any process supervisor utilities by default?

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• Why does DataContractJsonSerializer not include generic like JavaScriptSerializer?

  - by Patrick Magee

  So the JavaScriptSerializer was deprecated in favor of the DataContractJsonSerializer. var client = new WebClient(); var json = await client.DownloadStringTaskAsync(url); // http://example.com/api/people/1 // Deprecated, but clean looking and generally fits in nicely with // other code in my app domain that makes use of generics var serializer = new JavaScriptSerializer(); Person p = serializer.Deserialize<Person>(json); // Now have to make use of ugly typeof to get the Type when I // already know the Type at compile type. Why no Generic type T? var serializer = new DataContractJsonSerializer(typeof(Person)); Person p = serializer.ReadObject(json) as Person; The JavaScriptSerializer is nice and allows you to deserialize using a type of T generic in the function name. Understandably, it's been deprecated for good reason, with the DataContractJsonSerializer, you can decorate your Type to be deserialized with various things so it isn't so brittle like the JavaScriptSerializer, for example [DataMember(name = "personName")] public string Name { get; set; } Is there a particular reason why they decided to only allow users to pass in the Type? Type type = typeof(Person); var serializer = new DataContractJsonSerializer(type); Person p = serializer.ReadObject(json) as Person; Why not this? var serializer = new DataContractJsonSerializer(); Person p = serializer.ReadObject<Person>(json); They can still use reflection with the DataContract decorated attributes based on the T that I've specified on the .ReadObject<T>(json)

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• How to setup certificate authentication for MS SQL server 2008 R2 ?

  - by Stephane

  Hello, I have to connect an (ADO) application running on a standalone Windows 2003 R2 server to a SQL 2008 R2 database that is a member of the domain. I have setup an SQL authentication account for this and hard-coded the password into the connection string but I wonder if it wouldn't be possible to use certificate-based authentication for this instead. I haven't been able to find any documentation regarding this apparently new functionality of SQL 2008 R2 anywhere. Could someone kindly point me at some good documentation ? Or at least a description of the functionality and whether it could be used in my case or not ? Thank you in advance

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• PHP Kohana CentOS 5

  - by Undefined

  Trying to deploy a Kohana based project in CentOS 5. Installed PHP 5.3.1 but still getting the following error. Warning: preg_match() [function.preg-match]: Compilation failed: this version of PCRE is not compiled with PCRE_UTF8 support at offset 0 in /usr/local/apache2/htdocs/icarus/system/core/utf8.php on line 30 Fatal error: PCRE has not been compiled with UTF-8 support. See PCRE Pattern Modifiers for more information. This application cannot be run without UTF-8 support. in /usr/local/apache2/htdocs/icarus/system/core/utf8.php on line 38 Trying since last 2 days, i upgraded my PHP from 5.1 to 5.3 but still getting the same error.The problem as per me is that the PCRE module of PHP in phpinfo() says is of sep 2004. Below is the actual line PCRE Library Version 5.0 13-Sep-2004 Can anyone tell me how to upgrade it or wats the solution to the problem. Thanks.

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• CodePlex Daily Summary for Sunday, September 16, 2012

  CodePlex Daily Summary for Sunday, September 16, 2012Popular ReleasesVisual Studio Icon Patcher: VSIP-1.5.1: This fixes a bug in the 1.5 release where it would crash when no language packs were installed for VS2010.sheetengine - Isometric HTML5 JavaScript Display Engine: sheetengine v1.1.0: This release of sheetengine introduces major drawing optimizations. A background canvas is created with the full drawn scenery onto which only the changed parts are redrawn. For example a moving object will cause only its bounding box to be redrawn instead of the full scene. This background canvas is copied to the main canvas in each iteration. For this reason the size of the bounding box of every object needs to be defined and also the width and height of the background canvas. The example...VFPX: Desktop Alerts 1.0.2: This update for the Desktop Alerts contains changes to behavior for setting custom sounds for alerts. I have removed ALERTWAV.TXT from the project, and also removed DA_DEFAULTSOUND from the VFPALERT.H file. The AlertManager class and Alert class both have a "default" cSound of ADDBS(JUSTPATH(_VFP.ServerName))+"alert.wav" --- so, as long as you distribute a sound file with the file name "alert.wav" along with the EXE, that file will be used. You can set your own sound file globally by setti...MCEBuddy 2.x: MCEBuddy 2.2.15: Changelog for 2.2.15 (32bit and 64bit) 1. Added support for %originalfilepath% to get the source file full path. Used for custom commands only. 2. Added support for better parsing of Media Portal XML files to extract ShowName and Episode Name and download additional details from TVDB (like Season No, Episode No etc). 3. Added support for TVDB seriesID in metadata 4. Added support for eMail non blocking UI testCrashReporter.NET : Exception reporting library for C# and VB.NET: CrashReporter.NET 1.2: *Added html mail format which shows hierarchical exception report for better understanding.DotNetNuke Search Engine Sitemaps Provider: Version 02.00.00: New release of the Search Engine Sitemap Providers New version - not backwards compatible with 1.x versions New sandboxing to prevent exceptions in module providers interfering with main provider Now installable using the Host->Extensions page New sitemaps available for Active Forums and Ventrian Property Agent Now derived from DotNetNuke Provider base for better framework integration DotNetNuke minimum compatibility raised to DNN 5.2, .NET to 3.5PDF Viewer Web part: PDF Viewer Web Part: PDF Viewer Web PartMicrosoft Ajax Minifier: Microsoft Ajax Minifier 4.67: Fix issue #18629 - incorrectly handling null characters in string literals and not throwing an error when outside string literals. update for Issue #18600 - forgot to make the ///#DEBUG= directive also set a known-global for the given debug namespace. removed the kill-switch for disregarding preprocessor define-comments (///#IF and the like) and created a separate CodeSettings.IgnorePreprocessorDefines property for those who really need to turn that off. Some people had been setting -kil...MPC-BE: Media Player Classic BE 1.0.1.0 build 1122: MPC-BE is a free and open source audio and video player for Windows. MPC-BE is based on the original "Media Player Classic" project (Gabest) and "Media Player Classic Home Cinema" project (Casimir666), contains additional features and bug fixes. Supported Operating Systems: Windows XP SP2, Vista, 7 32bit/64bit System Requirements: An SSE capable CPU The latest DirectX 9.0c runtime (June 2010). Install it regardless of the operating system, they all need it. Web installer: http://www.micro...Preactor Object Model: Visual Studio Template .NET 3.5: Visual Studio Template with all the necessary files to get started with POM. You will still need to Get the Preactor.ObjectModel and Preactor.ObjectModleExtensions libraries from Nuget though. You will also need to sign with assembly with a strong name key.Lakana - WPF Framework: Lakana V2: Lakana V2 contains : - Lakana WPF Forms (with sample project) - Lakana WPF Navigation (with sample project)Microsoft SQL Server Product Samples: Database: OData QueryFeed workflow activity: The OData QueryFeed sample activity shows how to create a workflow activity that consumes an OData resource, and renders entity properties in a Microsoft Excel 2010 worksheet or Microsoft Word 2010 document. Using the sample QueryFeed activity, you can consume any OData resource. The sample activity uses LINQ to project OData metadata into activity designer expression items. By setting activity expressions, a fully qualified OData query string is constructed consisting of Resource, Filter, Or...YTNet: YTNet Version 1.0: YT Net Version 1.0 The first release of the YT Net library. This release supports: - Searching YouTube videos by title - Loading the different versions of a video, ordered by the itag value - Downloading videos The release is well tested witch a bunch of unit tests and two sample applications (A Console and a WPF application).F# 3.0 Sample Pack: FSharp 3.0 Sample Pack for Visual Studio 2012 RTM: F# 3.0 Sample Pack for Visual Studio 2012 RTMANPR MX: ANPR_MX Release 1: ANPR MX Release 1 Features: Correctly detects plate area. Provides potential values for the recognized plate. Allows images 800x600 and below.Cocktail: Cocktail v1.0.1: PrerequisitesVisual Studio 2010 with SP1 (any edition but Express) Optional: Silverlight 4 or 5 Note: Install Silverlight 4 Tools and then the Silverlight 4 Toolkit. Likewise for Silverlight 5 Tools and the Silverlight 5 Toolkit DevForce Express 6.1.8.1 or greater Included in the Cocktail download, DevForce Express requires registration) Important: Install DevForce after all other components. Download contentsDebug and release assemblies API documentation Source code Licens...weber: weber v0.1: first release, creates a basic browser shell and allows user to navigate to web sites.Arduino for Visual Studio: Arduino 1.x for Visual Studio 2012, 2010 and 2008: Register for the forum for more news and updates Version 1209.15 is beta and resolves a number of issues in Visual Studio 2012 and minor debugger fixes for all vs versions. After you have tested a working installation, if you would like to beta the debug tool then email beta at visualmicro.com. Version 1208.19 (click the downloads tab) is considered stable for visual studio 2010 and 2008. Key Features of 1209.10 Support for Visual Studio 2012 (.NET 4.5) Debug tools beta team can re-e...AcDown????? - AcDown Downloader Framework: AcDown????? v4.1: ??●AcDown??????????、??、??、???????。????，????，?????????????????????????。???????????Acfun、????(Bilibili)、??、??、YouTube、??、???、??????、SF????、????????????。 ●??????AcPlay?????，??????、????????????????。 ● AcDown??????????????????，????????????????????????????。 ● AcDown???????C#??，????.NET Framework 2.0??。?????"Acfun?????"。 ????32??64? Windows XP/Vista/7/8 ???? 32??64? ???Linux ????(1)????????Windows XP???,?????????.NET Framework 2.0???(x86)，?????"?????????"??? (2)???????????Linux???，????????Mono?? ??...Move Mouse: Move Mouse 2.5.2: FIXED - Minor fixes and improvements.New ProjectsBadoev1Lab: ???? ?? ??????? ?????????Banking.NET: Banking.NET is a .NET 4 based Home - Banking Application.ColdFire Studio Macro Assembler and Simulator: Integrated ColdFire MCUs macro assembler and simulator. Write programs in ColdFire assembly or load binary code and test them in a simulator. Eve Galaxy Map: EGM provides an API for the host application to visualize data across a 3D rendering of the Eve Online universe, similar to the in-game Star Map.Hamaazan (Rated): hamaazan website + robotHBCI.NET: HBCI.NET is a .NET 3.5 Library, which communicates with your bank account via HBCI 2.2, FinTS 3.0 and 4.0Http Explorer: A GUI for crafting and submitting http requests and viewing the resulting response.LINQ for C++: LINQ for C++ is an attempt to bring LINQ-like list manipulation to C++11.mroftalpdxs: I WANT TO TEST THE POSSILITY OF PUBLICATTION OF THE DOCUMMMENET.my-secondlib: This is Win 8 Test Code RepoNET Library to interface with Zephyr Bluetooth Heart Rate Monitor: .NET Library for interfacing to Zephyr Heart Rate MonitorPkuBookStore: PkuBookStoreSmallTune: SmallTune is an audioplayer with a long tradition, being completely rewritten and redesigned by now.Taylor's Professional Services: CIS470 Team B Senior ProjectTFS Test Case Review: Provides a means to review Test Cases created in Microsoft Test Manager in a clean, easy-to-read interface.Visual Studio 2012 all caps menu option: A Visual Studio 2012 add-in that allows the user to turn all caps in menu titles on and off in the Visual Studio options dialog. XNA Map Editor: This is a Map Editor that is still in development. It's a map editor for a 2D Platformer. Grid tile placement,loading tiles and objects Made with XNA and C#.

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• Windows Azure BidNow Sample &ndash; definitely worth a look

  - by Eric Nelson

  [Quicklink: download new Windows Azure sample from http://bit.ly/bidnowsample] On Mondays (17th May) in the  6 Weeks of Windows Azure training (Now full) Live Meeting call, Adrian showed BidNow as a sample application built for Windows Azure. I was aware of BidNow but had not found the time to take a look at it nor seems it running before. Adrian convinced me it was worth some a further look. In brief I like it :-) It is more than Hello World, but still easy enough to follow. Bid Now is an online auction site designed to demonstrate how you can build highly scalable consumer applications using Windows Azure. It is built using Visual Studio 2008, Windows Azure and uses Windows Azure Storage. Auctions are processed using Windows Azure Queues and Worker Roles. Authentication is provided via Live Id. Bid Now works with the Express versions of Visual Studio and above. There are extensive setup instructions for local and cloud deployment You can download from http://bit.ly/bidnowsample (http://code.msdn.microsoft.com/BidNowSample) and also check out David original blog post. Related Links UK based? Sign up to UK fans of Windows Azure on ning Check out the Microsoft UK Windows Azure Platform page for further links

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• Is there any viable alternative to using a linux/unix/BSD firewall/router/vpn?

  - by ObligatoryMoniker

  I am trying to purchase something to replace our Vyatta router that is running in a virtual machine on Hyper V (having the whole network go down when the host has to reboot is not convenient and I am getting the sense that this configuration may not be stable). Most posts on this topic suggest using Linux/OpenBSD/FreeBSD/etc with some recommendations to use appliances from vendors for specific purposes like firewall and VPN. We are a windows shop and it has been a stretch for us to make use of Vyatta but since it was free and straightforward to use we decided to use it. Now we need something that is easier for our team to (re)deploy and manage. I would rather purchase something windows based or an appliance that can do all of the following things: DHCP server (reservations, specified gateway, dns, etc) Static Routes that route traffic across three interfaces Easily Reproducible (Powershell script, Puppet, Chef, etc) Intuitive interface (Decent web interface would be fine but I don't want them to have to go to CLI) Does any one have any recommendations on what I should be looking at that might meet our needs?

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• How to pick a great working team?

  - by Javierfdr

  I've just finished my master and I'm starting to dig into the laboral world, i.e. learning how programming teams and technology companies work in the real world. I'm starting to design the idea of my own service or product based on free software, and I will require a well coupled, enthusiast and fluid team to build and the idea. My problem is that I'm not sure which would be the best skills to ask for a programming team of 4-5 members. I have many friends and acquaintances, with whom I've worked during my studies. Must of those ones I have in mind are very capable and smart people, with a good logic and programming base, although some of them have some characteristics that I believe that could influtiate negatively in the group: lack of communication, fear to debate ideas, hard to give when debating, lack of structured programming (testing, good commenting, previous design and analysis). Some of them have this negative characteristics, but must of them have a lot of enthusiasm, nice working skills (from an individual point of view), and ability to see the whole picture. The question is: how to pick the best team for a large scale project, with a lot of programming? Which of these negative skills do you think are just too influential? Which can be softened with good leadership? Wich good skills are to be expected? And any other opinion about social and programming skills of a programming team.

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• Why is there no facility to overload static properties in PHP?

  - by Jon

  Intro PHP allows you to overload method calls and property accesses by declaring magic methods in classes. This enables code such as: class Foo { public function __get($name) { return 42; } } $foo = new Foo; echo $foo->missingProperty; // prints "42" Apart from overloading instance properties and methods, since PHP 5.3.0 we can also overload static methods calls by overriding the magic method __callStatic. Something missing What is conspicuously missing from the available functionality is the ability to overload static properties, for example: echo Foo::$missingProperty; // fatal error: access to undeclared static property This limitation is clearly documented: Property overloading only works in object context. These magic methods will not be triggered in static context. Therefore these methods should not be declared static. As of PHP 5.3.0, a warning is issued if one of the magic overloading methods is declared static. But why? My questions are: Is there a technical reason that this functionality is not currently supported? Or perhaps a (shudder) political reason? Have there been any aborted attempts to add this functionality in the past? Most importantly, the question is not "how can I have dynamic static properties in userland PHP?". That said, if you know of an especially cute implementation based on __callStatic that you want to share then by all means do so.

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• Which hosts have low latency across United States and Europe?

  - by Joost van Doorn

  I'm looking for some information on web hosts that have low latency (<100ms) to both the United States and Europe. The host can be in either the United States or Europe. Latency is most important to the United States, United Kingdom, the Netherlands, Sweden and Norway. Should be able to provide managed hosting. Hosting at multiple locations is not what I'm looking for. Answers should contain at least some latency information from multiple locations, preferably from Los Angeles, New York, London, Amsterdam and Oslo. Also some information on your experience with this host is preferred, do not rant, do provide details of your package (with or without SLA, dedicated or VPS etc.). From my own little research I found that probably New York based hosts can offer low latency to all these locations, but I do not have much statistics to back that up other than my own ping is about 85ms to New York from the Netherlands.

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• configuring USB modem( Huawei EC156) in ubuntu 13.10

  - by user205427

  I am facing difficulty in installing my USB modem in Ubuntu 13.10. Contrary to what many have suggested,it does not get detected automatically, nor does setting a new connection help. USB Device is listed in lsusb, but not under network manager or Devices, it is detected as a CD-ROM, what I understood from the web was that usb-modeswitch can be used to switch it to a USB device. Even 'Enable Mobile Broadband' option is not shown in network manager. What was interesting is when I start laptop with windows 7 and use the USB modem and after that restart with Ubuntu, both Enable Broadband and the mobile broadband connection can be seen. Sadly, internet connection could not be installed. I tried using USB-modeswitch command as suggested somewhere, but it does not seem to work. Following is the message. Take all parameters from the command line * usb_modeswitch: handle USB devices with multiple modes * Version 2.0.1 (C) Josua Dietze 2013 * Based on libusb1/libusbx ! PLEASE REPORT NEW CONFIGURATIONS ! DefaultVendor= 0x12d1 DefaultProduct= 0x1505 HuaweiMode=1 NeedResponse=0 InquireDevice enabled (default) Look for default devices ... found USB ID 8087:0020 found USB ID 1d6b:0002 found USB ID 0461:4db6 found USB ID 12d1:1505 vendor ID matched product ID matched found USB ID 138a:0007 found USB ID 03f0:231d found USB ID 8087:0020 found USB ID 1d6b:0002 Found devices in default mode (1) Access device 005 on bus 001 Get the current device configuration ... OK, got current device configuration (1) Use interface number 0 Use endpoints 0x08 (out) and 0x87 (in) Inquire device details; driver will be detached ... Looking for active driver ... OK, driver detached INQUIRY message failed (error -9) USB description data (for identification) ------------------------- Manufacturer: HUA?WEI TECHNOLOGIES Product: HUAWEI Mobile Serial No.: ??????????????????? ------------------------- Send old Huawei control message ... -> Run lsusb to note any changes. Bye! I am stuck with this problem for 4 days now, any help would be appreciated

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• Help: Best way to do a TV-out in 7300GT Nvidia video card?

  - by Martin Ongtangco

  I'm planning to recycle my old PC and build a Media Center using an open-source (C#) software called MediaPortal. My old PC has a GeForce 7300GT with a TV-out plug built-in. When I tested it last night, it wouldn't detect my JVC tv (CRT) using the current drivers. I even purchased a new copper-based TV-Out to RCA cable. I searched all 3 AV channels. The video card has 3 output ports: 2 DVI & 1 s-video. I used the s-video with a S-Video to RCA out cable. I swapped between PAL & NTSC So what I did was I downloaded the first version of an Nvidia driver for 7 series cards, but still even with the old console, it couldn't detect the TV. I'm running out of viable ideas. Anyone here had the same problem and fixed it? Any suggestion is appreciated. Thank you!

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• Is micro-optimisation important when coding?

  - by BozKay

  I recently asked a question on stackoverflow.com to find out why isset() was faster than strlen() in php. This raised questions around the importance of readable code and whether performance improvements of micro-seconds in code were worth even considering. My father is a retired programmer, I showed him the responses and he was absolutely certain that if a coder does not consider performance in their code even at the micro level, they are not good programmers. I'm not so sure - perhaps the increase in computing power means we no longer have to consider these kind of micro-performance improvements? Perhaps this kind of considering is up to the people who write the actual language code? (of php in the above case). The environmental factors could be important - the internet consumes 10% of the worlds energy, I wonder how wasteful a few micro-seconds of code is when replicated trillions of times on millions of websites? I'd like to know answers preferably based on facts about programming. Is micro-optimisation important when coding? EDIT : My personal summary of 25 answers, thanks to all. Sometimes we need to really worry about micro-optimisations, but only in very rare circumstances. Reliability and readability are far more important in the majority of cases. However, considering micro-optimisation from time to time doesn't hurt. A basic understanding can help us not to make obvious bad choices when coding such as if (expensiveFunction() && counter < X) Should be if (counter < X && expensiveFunction()) (example from @zidarsk8) This could be an inexpensive function and therefore changing the code would be micro-optimisation. But, with a basic understanding, you would not have to because you would write it correctly in the first place.

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• creating a journal/blog

  - by DijnsK

  hi, im trying to replace our current journal (excel sheet) with a web portal based journal. something kind of like twitter, but with more options. also needs to have a login so we can track the people entering. it can also be some sort of tool but i cant find anything that meets our demands... i could use a ITIL ticket service but that has way to much functionalities for our use. im basicly looking for a webportal with a shared blog, where users can login and creat new entries with: a topic name a automated follow-up ID number a field where they can enter specific info a reply field and a status field with pre defined statuses can anyone help me with this? thanks in advance. Koen

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• Clean MVC design when there is viewer latency

  - by Tony Suffolk 66

  It isn't clear if this question has already been answered, so apologies in advance if this is a duplicate : I am implementing a game and trying to design around a clean MVC pattern - so my Control plane will implement the rules of the game (but not how the game is displayed), and the View plane implements how the game is displayed, and user iteraction - i.e. what game items or controls the user has activated. The challenge that I have is this : In my game the Control Plane can move game items more or less instaneously (The decision about what item to place where - and some of the initial consequences of that placement are reasonably trivial to calculate), but I want to design the Control Plane so that the View plane can display these movements either instaneously or using movement animations. The other complication is that player interaction must be locked out while those game items are moving (similar to chess - you can't attack an opposing piece as it moves past one of your pieces) So do I : Implement all the logic in the Control Plane asynchronously - and separate the descision making from the actions - so the Control plane decides piece 'A' needs to move to a given place - tells the view plane, and but does not implement the move in data until the view plane informs the control plane that the move/animation is complete. A lot of interlock points between the two layers. Implement all the control plane logic in one place - decisions and movement (keeping track of what moved where), and pass all the movements in one go to the View plane to do with what it will. Control Plane is almost fire and forget here. A hybrid of 1 & 2 - The control plane implements all the moves in a temporary data store - but maintains a second store which reflects what is actually visible to the viewer, based on calls and feedback from the View plane. All 3 are relatively easy to implement (target language is python), but having never done a clean MVC pattern with view latency before - I am not sure which design is best

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• How to convert poor quality bitmap image to vector?

  - by Macha

  I'm designing a website for a group which has lost the original digital image for their logo. The only file they have of it is a jpg which was embedded into a word document. The image has everything possible wrong with it: Anti-aliased onto a white background where it should be transparent Image artefacts Resized downwards poorly. Lines that should be straight and solid aren't. I've currently used the wand tool to get rid of the white background, and stuck it on the website, but it's poor quality makes it stick out like a sore thumb. I need a few different sizes of it to use, so how would I go about creating a vector image based on it?

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• Common request: export #Tabular model and data to #PowerPivot

  - by Marco Russo (SQLBI)

  I received this request in many courses, messages and also forum discussions: having an Analysis Services Tabular model, it would be nice being able to extract a correspondent PowerPivot data model. In order of priority, here are the specific feature people (including me) would like to see: Create an empty PowerPivot workbook with the same data model of a Tabular model Change the connections of the tables in the PowerPivot workbook extracting data from the Tabular data model Every table should have an EVALUATE ‘TableName’ query in DAX Apply a filter to data extracted from every table For example, you might want to extract all data for a single country or year or customer group Using the same technique of applying filter used for role based security would be nice Expose an API to automate the process of creating a PowerPivot workbook Use case: prepare one workbook for every employee containing only its data, that he can use offline Common request for salespeople who want a mini-BI tool to use in front of the customer/lead/supplier, regardless of a connection available This feature would increase the adoption of PowerPivot and Tabular (and, therefore, Business Intelligence licenses instead of Standard), and would probably raise the sales of Office 2013 / Office 365 driven by ISV, who are the companies who requests this feature more. If Microsoft would do this, it would be acceptable it only works on Office 2013. But if a third-party will do that, it will make sense (for their revenues) to cover both Excel 2010 and Excel 2013. Another important reason for this feature is that the “Offline cube” feature that you have in Excel is not available when your PivotTable is connected to a Tabular model, but it can only be used when you connect to Analysis Services Multidimensional. If you think this is an important features, you can vote this Connect item.

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• Code structure for multiple applications with a common core

  - by Azrael Seraphin

  I want to create two applications that will have a lot of common functionality. Basically, one system is a more advanced version of the other system. Let's call them Simple and Advanced. The Advanced system will add to, extend, alter and sometimes replace the functionality of the Simple system. For instance, the Advanced system will add new classes, add properties and methods to existing Simple classes, change the behavior of classes, etc. Initially I was thinking that the Advanced classes simply inherited from the Simple classes but I can see the functionality diverging quite significantly as development progresses, even while maintaining a core base functionality. For instance, the Simple system might have a Project class with a Sponsor property whereas the Advanced system has a list of Project.Sponsors. It seems poor practice to inherit from a class and then hide, alter or throw away significant parts of its features. An alternative is just to run two separate code bases and copy the common code between them but that seems inefficient, archaic and fraught with peril. Surely we have moved beyond the days of "copy-and-paste inheritance". Another way to structure it would be to use partial classes and have three projects: Core which has the common functionality, Simple which extends the Core partial classes for the simple system, and Advanced which also extends the Core partial classes for the advanced system. Plus having three test projects as well for each system. This seems like a cleaner approach. What would be the best way to structure the solution/projects/code to create two versions of a similar system? Let's say I later want to create a third system called Extreme, largely based on the Advanced system. Do I then create an AdvancedCore project which both Advanced and Extreme extend using partial classes? Is there a better way to do this? If it matters, this is likely to be a C#/MVC system but I'd be happy to do this in any language/framework that is suitable.

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• Piping powershell messages to Write-EventLog

  - by Richard

  I have a powershell script that runs a custom cmdlet. It is run by Task Scheduler and I want to log what it does. This is my current crude version: Add-PsSnapIn PianolaCmdlets Write-EventLog -LogName "Windows Powershell" -Source "Powershell" -Message "Starting Update-EbuNumbers" -EventId 0 Get-ClubMembers -HasTemporaryEbuNumber -show all | Update-EbuNumbers -Verbose Write-EventLog -LogName "Windows Powershell" -Source "Powershell" -Message "Finished Update-EbuNumbers" -EventId 0 What I would like to do is log the output of my custom cmdlet. Ideally I'd like to create different types of event log entries based on whether it was a warning or a verbose message. Update: I don't want to log the return value of the commandlet. The Update-EbuMembers cmdlet does not return an object. I want to log any verbose messages written by WriteVerbose and I want to log errors created by ThrowTerminatingError.

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• How to read default key value with dconf or gsettings?

  - by Zta

  I would like to know the default value of a dconf/gsettings key. My question is a followup of the question below: Where can I get a list of SCHEMA / PATH / KEY to use with gsettings? What I'm trying to do, so create a script that reads all my personal preferences so I can back them up and restore them. I plan to iterate though all keys, like the script above, see what keys have been changed from their default value, and make a note of these, that can be restored later. I see that the dconf-editor display the keys' default value, but I'd very much like to script this. Also, I don't see how parsing the schemas /usr/share/glib-2.0/schemas/ can be automated. Maybe someone can help? gsettings get-default|list-defaults would be nice =) (Geesh, it was much easier in the old days where you just kept your ~/.somethingrc in subversion ... =\ Based on the answer given below, I've updated the script to print schema, key, key's data type, default value, and actual value: #!/bin/bash for schema in $(gsettings list-schemas | sort); do for key in $(gsettings list-keys $schema | sort); do type="$(gsettings range $schema $key | tr "\n" " ")" default="$(XDG_CONFIG_HOME=/tmp/ gsettings get $schema $key | tr "\n" " ")" value="$(gsettings get $schema $key | tr "\n" " ")" echo "$schema :: $key :: $type :: $default :: $value" done done This workaround basically covers what I need. I'll continue working on the backup scrip from here.

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• re: 3ware raid 10 (4drive) suggested stripe size suggestions?

  - by dasko

  looked around on the site but nothing really concrete on my question. i will have about 120GB of data total, files are made up of 5MB files, excel, word and about 25 .pst files that are about 1.2GB each. Yes they use .pst over network, even though it is not recommended this is legacy setup without issue so we will continue to support this for another year or so. I need to know what you think about a stripe size of 256kb for the raid 10 based on the above requirements. I did try and bench with these settings and it seems alright without any real issue, just trying to rule out anything i might of missed. thanks.

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• How to prevent duplication of content on a page with too many filters?

  - by Vikas Gulati

  I have a webpage where a user can search for items based on around 6 filters. Currently I have the page implemented with one filter as the base filter (part of the url that would get indexed) and other filters in the form of hash urls (which won't get indexed). This way the duplication is less. Something like this example.com/filter1value-items#by-filter3-filter3value-filter2-filter2value Now as you may see, only one filter is within the reach of the search engine while the rest are hashed. This way I could have 6 pages. Now the problem is I expect users to use two filters as well at times while searching. As per my analysis using the Google Keyword Analyzer there are a fare bit of users that might use two filters in conjunction while searching. So how should I go about it? Having all the filters as part of the url would simply explode the number of pages and sticking to the current way wouldn't let me target those users. I was thinking of going with at max 2 base filters and rest as part of the hash url. But the only thing stopping me is that it would lead to duplication of content as per Google Webmaster Tool's suggestions on Url Structure.

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• Open source system for swipe card access?

  - by Moduspwnens

  We're looking at replacing our campus-wide magnetic swipe card system with something more robust. The "programmer" side of me says there's got to be an open-source, scalable solution that already does this, but all I've been able to find are proprietary vendor-specific solutions. Ideally, it'd have the following: Based on some open standard that allows us to select from a wide selection of card readers (like IMAP or HTTP) Support different kinds of card access (magnetic strip, RFIDs, etc.) Future-proof (to the extent possible) The lack of information I'm finding leads me to believe I'm not searching for the right things... or such a solution doesn't exist. Is there not some basic, open-source solution to this (like MySQL for databases, or Moodle for an LMS, or Apache for a web server)?

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