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  • How do I do a where clause in sql and return a count back?

    - by chobo2
    Hi I am using mssql and I want to make a query that returns a count back with a where clause. Like say I have a product Table ProductId ProductName Active So how would I make it I have like Select Count(*) From Product now I don't know how to filter it so it only could if Active = true; So if there are 3 active products then it would return a count of 3 even if there is a hundred rows in the db and the other 97 are only not active. so the where clause would be probably like where active = true I am not sure how to put them together though.

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  • Visual Studio: What approach do you use to 'template' plumbing for similiar projects?

    - by Sosh
    When building ASP.NET projects there is a certain amount of boilerplate, or plumbing that needs to be done, which is often identical across projects. This is especially the case with MVC and ALT.NET approaches. [I'm thinking of things such as: IoC, ORM, Solution structure (projects), Session Management, User Management, I18n etc.] I would like to know what approach you find best for 'reusing' this plumbing accross projects? Have a 'master solution' which you duplicate and rename somehow? (I'm using a this to a degree at the moment, but it's fairly messy. Would be interested how people do this 'better') Mainly rely on Shared Library projects? (I find this appropriate for some things, but too restrictive for things that have to be customised) Code generation tools, such as T4? (Similar to the approach used by SharpArchitecture - have not tried this myself) Something else? Thanks for sharing your experiences!

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  • Should I use Drupal or Kohana-type framework for a web "application"

    - by Andres
    The debate is that I need a PHP Framework/Drupal with the flexibility to add custom features to a potentially large application (web and with an api). However, with a framework, like Kohana, I see myself tackling and re-inventing the wheel with the simple stuff like account management and cms stuff. Account management and quick data collection, like fast form creation, are tedious in Kohana but appear incredible simple in Drupal. On the other hand, based on my limited Drupal experience, I doubt building rapid custom "features" and allowing users to create "groups" and to manage their own roles within those groups is something Drupal can easily accomplish. To simplify, is Drupal capable of true Web Applications; where the application is a service and provides custom results to each user? Can it provide a dashboard-like interface for users to change their settings or preferences? Can it aggregate data from particular users to provide better results/info to others? If so, please point me to some knowledge :-)

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  • Type casting in TPC inheritance

    - by Mohsen Esmailpour
    I have several products like HotelProduct, FlightProduct ... which derived from BaseProduct class. The table of these products will be generated in TPC manner in database. There is OrderLine class which has a BaseProduct. My problem is when i select an OrderLine with related product i don't know how cast BaseProduct to derived product. for example i have this query: var order = (from odr in _context.Orders join orderLine in _context.OrderLines on odr.Id equals orderLine.OrderId join hotel in _context.Products.OfType<HotelProduct>() on orderLine.ProductId equals hotel.Id where odr.UserId == userId && odr.Id == orderId orderby odr.OrderDate descending select odr).SingleOrDefault(); In OrderLine i have BaseProduct properties not properties of HotelProduct. Is there any way to cast BaseProduct to derived class in OrderLine or any other solutions ?

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  • Is SQL server the best DB for Storing and comparing images in database for a small ecommerce applica

    - by iecut
    I have been trying to create a small e-commerce web based application using MS Dot Net framework. The application will let the user allow to store the image of their product that they want to sell or purchase, then they will have the option to upload the image of a particular product and compare that image with the similar images in the database. So my two main concerns are: - Is MS SQL a good option to store and compare the images. - Is the any other better database that can do the same work with less complexity of work and that is also easy to integrate with MS dot net framework.

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  • Is this more suited for key value storage or a tree?

    - by JC
    I'm trying to figure out the best way to represent some data. It basically follows the form Manufacturer.Product.Attribute = Value. Something like: Acme.*.MinimumPrice = 100 Acme.ProductA.MinimumPrice = 50 Acme.ProductB.MinimumPrice = 60 Acme.ProductC.DefaultColor = Blue So the minimum price across all Acme products is 100 except in the case of product A and B. I want to store this data in C# and have some function where GetValue("Acme.ProductC.MinimumPrice") returns 100 but GetValue("Acme.ProductA.MinimumPrice") return 50. I'm not sure how to best represent the data. Is there a clean way to code this in C#?

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  • Problem with launching JAGUAR in R

    - by Gerry
    Windows XP, R 2.11.1, Java JRE6 I just installed the Jaguar package. From an R console, I can do this: > library(JGR) Loading required package: rJava Loading required package: JavaGD Loading required package: iplots Please use the corresponding JGR launcher to start JGR. Run JGR() for details. You can also use JGR(update=TRUE) to update JGR. and so JGR appears to be correctly installed. JGR() yields On Windows JGR must be started using the JGR.exe launcher. Please visit http://www.rosuda.org/JGR/ to download it. > I'm not sure how to run Jaguar - I know I have to run jgr.exe - but should R be already open? If so, should the JGR library be already loaded? I've tried all of these, and what seems to happen regardless is a console window opens briefly, then disappears. I've run jrg --debug, with no apparent error message: (same file regardless of choice made above). What should I be doing? Thanks! System: Version 5.1 (build 2600), platform 2 [Service Pack 3] JGR loader version 1.61 (build Jul 23 2008) parseParams> 1 parameters parsed. parseParams par 10> "--debug" > rhome="C:\Program Files\R\R-2.11.1" > srhome="C:\PROGRA~1\R\R-211~1.1" getPkgVersion(JGR): 010702 getPkgVersion(rJava): 000805 getPkgVersion(JavaGD): 000503 getPkgVersion(iplots): 010103 Loading preferences from "C:\Documents and Settings\gblais\.JGRprefsrc" > javakey="Software\JavaSoft\Java Runtime Environment\1.6" > javah="C:\Program Files\Java\jre6" > tp="C:\Perl\site\bin;C:\Perl\bin;C:\PHP\;C:\Program Files\MiKTeX 2.8\miktex\bin;C:\Python26\Lib\site-packages\PyQt4;C:\Program Files\Tcl\bin;C:\oracle\product\10.2.0\client_2\BIN;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files\Support Tools\;c:\belfry;c:\belfry\usr\local\wbin;C:\WINDOWS;C:\WINDOWS\System32;C:\WINDOWS\System32\WBEM;c:\Program Files\QuickTime\QTSystem\;C:\Program Files\SlikSvn\bin\;c:\progra~1\Microsoft Visual Studio 9.0\VC\bin\" Got RuntimeLib from registry, using "C:\Program Files\Java\jre6\bin\client;" PATH prefix. Java home: "C:\Program Files\Java\jre6" R home: "C:\Program Files\R\R-2.11.1" JAR files: "-Drjava.class.path=C:\PROGRA~1\R\R-211~1.1\library\rJava\jri\JRI.jar;C:\PROGRA~1\R\R-211~1.1\library\iplots\java\iplots.jar;C:\PROGRA~1\R\R-211~1.1\library\JGR\java\JGR.jar;C:\PROGRA~1\R\R-211~1.1\etc\classes;C:\PROGRA~1\R\R-211~1.1\etc\classes.jar" desired PATH: "C:\Program Files\Java\jre6\bin\client;C:\Program Files\Java\jre6\bin\client;C:\Program Files\Java\jre6\bin;C:\Program Files\R\R-2.11.1\bin;C:\PROGRA~1\R\R-211~1.1\library\rJava\jri;C:\Perl\site\bin;C:\Perl\bin;C:\PHP\;C:\Program Files\MiKTeX 2.8\miktex\bin;C:\Python26\Lib\site-packages\PyQt4;C:\Program Files\Tcl\bin;C:\oracle\product\10.2.0\client_2\BIN;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files\Support Tools\;c:\belfry;c:\belfry\usr\local\wbin;C:\WINDOWS;C:\WINDOWS\System32;C:\WINDOWS\System32\WBEM;c:\Program Files\QuickTime\QTSystem\;C:\Program Files\SlikSvn\bin\;c:\progra~1\Microsoft Visual Studio 9.0\VC\bin\" actual PATH: "C:\Program Files\Java\jre6\bin\client;C:\Program Files\Java\jre6\bin\client;C:\Program Files\Java\jre6\bin;C:\Program Files\R\R-2.11.1\bin;C:\PROGRA~1\R\R-211~1.1\library\rJava\jri;C:\Perl\site\bin;C:\Perl\bin;C:\PHP\;C:\Program Files\MiKTeX 2.8\miktex\bin;C:\Python26\Lib\site-packages\PyQt4;C:\Program Files\Tcl\bin;C:\oracle\product\10.2.0\client_2\BIN;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files\Support Tools\;c:\belfry;c:\belfry\usr\local\wbin;C:\WINDOWS;C:\WINDOWS\System32;C:\WINDOWS\System32\WBEM;c:\Program Files\QuickTime\QTSystem\;C:\Program Files\SlikSvn\bin\;c:\progra~1\Microsoft Visual Studio 9.0\VC\bin\" getenv PATH: "C:\Perl\site\bin;C:\Perl\bin;C:\PHP\;C:\Program Files\MiKTeX 2.8\miktex\bin;C:\Python26\Lib\site-packages\PyQt4;C:\Program Files\Tcl\bin;C:\oracle\product\10.2.0\client_2\BIN;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\WINDOWS\system32;C:\WINDOWS;C:\WINDOWS\System32\Wbem;C:\Program Files\Support Tools\;c:\belfry;c:\belfry\usr\local\wbin;C:\WINDOWS;C:\WINDOWS\System32;C:\WINDOWS\System32\WBEM;c:\Program Files\QuickTime\QTSystem\;C:\Program Files\SlikSvn\bin\;c:\progra~1\Microsoft Visual Studio 9.0\VC\bin\" argv[0]:C:\PROGRA~1\Java\jre6\bin\java.exe argv[1]:-Drjava.class.path=C:\PROGRA~1\R\R-211~1.1\library\rJava\jri\JRI.jar;C:\PROGRA~1\R\R-211~1.1\library\iplots\java\iplots.jar;C:\PROGRA~1\R\R-211~1.1\library\JGR\java\JGR.jar;C:\PROGRA~1\R\R-211~1.1\etc\classes;C:\PROGRA~1\R\R-211~1.1\etc\classes.jar argv[2]:-Xmx512m argv[3]:-cp argv[4]:C:\PROGRA~1\R\R-211~1.1\library\rJava\java\boot argv[5]:-Drjava.path=C:\PROGRA~1\R\R-211~1.1\library\rJava argv[6]:-Dmain.class=org.rosuda.JGR.JGR argv[7]:-Djgr.load.pkgs=yes argv[8]:-Djgr.loader.ver=1.61 argv[9]:RJavaClassLoader argv[10]:--debug

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  • Programmatically sync the db in Django

    - by Attila Oláh
    I'm trying to sync my db from a view, something like this: from django import http from django.core import management def syncdb(request): management.call_command('syncdb') return http.HttpResponse('Database synced.') The issue is, it will block the dev server by asking for user input from the terminal. How can I pass it the '--noinput' option to prevent asking me anything? I have other ways of marking users as super-user, so there's no need for the user input, but I really need to call syncdb (and flush) programmatically, without logging on to the server via ssh. Any help is appreciated.

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  • Why does Perl's Crypt::SSLeay timeout on Intel Mac OS X machines?

    - by Joe
    A have a Perl cron job that recently started having its HTTPS connections start failing with an error of "500 SSL read timeout". I've tracked that the error is being thrown as part of an alarm in Crypt::SSLeay, but I don't know if this is simply something taking too long to respond. So far, I've adjusted the timeout from the default 30 seconds to 10 minutes and it still times out. I've moved the script to other machines, and those on Intel Mac OS X systems all time out, while those under Linux, or on PPC Mac OS X systems run fine, so I don't think it's changes on the network or remote server. When the process started having problems does not coincide with any software updates or reboots on the machine, and I've contacted the server I'm connecting to, and everyone claims that they haven't changed anything. Does anyone have recommendations on trying to debug HTTPS, or have you ever seen this behavior and give recommendations on something I might've overlooked at that could've caused this problem?

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  • Eclipse RCP : make a standalone plugin extending an existing standalone one

    - by akira2x3x
    I have extended via extension point (add menus and functionnalities) an already existing plugin which has it's own product definition file and it's own class Application implements IApplication. I want to create a Product Configuration(customize splash screen,etc...). Does my plugin need an Application class? I want my plugin to be independant, Standalone with a launcher. Not a fragment. Do I have to inherit already existing plugin Application? Thanks for the tips and tricks.

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  • What's all the hype over objectsets in Entity Framework 4?

    - by Kohan
    I am an intermediate user of EF in .net 3.5 and have recently moved to working with .net 4. One thing i keep coming across when reading various tutorials is the use of ObjectSets instead of ObjectQuerys and that they are a great new feature. What is so great about them? Reading this MSDN article titled "Working with ObjectSet (Entity Framework)" It shows two examples on how to add a Product.. one for 3.5 and another for 4.0. http://msdn.microsoft.com/en-us/library/ee473442.aspx Through my lack of knowledge I am possibly bringing up a seperate point here, but i never added a Product like this: //In .NET Framework 3.5 SP1, use the following code: using (AdventureWorksEntities context = new AdventureWorksEntities()) { // Add the new object to the context. context.AddObject("Products", newProduct); } I would have just used context.AddToProducts(newProduct); Please enlighten me. Kind regards, Kohan

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  • WebSphere MQ Low Latency Messaging - Does it have a JMS (or JMS like) API?

    - by Chris Kimpton
    We are currently using IBM MQ via JMS, but seem to be pushing through more messages than it can handle - strangely, the problem seems to be intermittent. The messages are prices and thus dont need to be guaranteed, just need to be sent quickly. As IBM have a Low Latency product, I am wondering if that is perhaps the better solution - but it does not seem to have a JMS api, or at least not easily visible. Anyone know if there is a JMS api into the Low Latency product, or if the "unique" API it does have is JMS-like... Alternatively, pointers for MQ tuning would also be appreciated... :)

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  • EF4 - What's all the hype over objectsets?

    - by Kohan
    I am an intermediate user of EF in .net 3.5 and have recently moved to working with .net 4. One think i keep coming across when reading various tutorials is the use of ObjectSets instead of ObjectQuerys and that they are a great new feature. What is so great about them? Reading this MSDN article titled "Working with ObjectSet (Entity Framework)" It shows two examples for on how to add a Product.. one for 3.5 and another for 4.0. http://msdn.microsoft.com/en-us/library/ee473442.aspx Though my lack of knowledge I am possibly bringing up a seperate point here, but i never added a Product like this: //In .NET Framework 3.5 SP1, use the following code: using (AdventureWorksEntities context = new AdventureWorksEntities()) { // Add the new object to the context. context.AddObject("Products", newProduct); } I would have just used context.AddToProducts(newProduct); Please enlighten me. Kind regards, Kohan

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  • how to have separate keys per record in mongo_mapper + Rails

    - by Vitaly Kushner
    When I'm adding a record in mongodb I can specify whatever keys I want and it will store it in the db. The problem is that it will remember those keys for the next time I insert another record. so for example if I do the following: Product.create :foo => 123 and then Product.create :bar => 456 I get :foo => nil field in the 2nd record. This is definitely not a limitation of mongodb itself, since if I restart the rails console and create yet another record with different set of columns, it will not add the columns from the 1st 2 records. So it seems like mongomapper remembers all the keys used and inserts them all into all records, even if values are not provided. The question is obviously: how do I disable this crazy attributes explosion? Basically I want only the 'permanent' keys that I specify in the model to be in every record, but all the 'extra' attributes to be specified per record and not to mess the consequent records.

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  • Remote DocumentRoot in Apache gives a 404

    - by kshouler
    I have the following specified in my httpd.conf, but I get a 404 when attempting to connect to the server from another machine. If I set the docroot to the default htdocs directory, everything works fine. (note.. I've also tried replacing the "//storage/data1" part of the path with the network drive letter "U:") ServerRoot "C:/Program Files/Apache Software Foundation/Apache2.2" DocumentRoot "//storage/data1/Engineering/Product Development" <Directory "//storage/data1/Engineering/Product Development"> Options Indexes FollowSymLinks AllowOverride None Order allow,deny Allow from all </Directory>

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  • Web app - Biometric system connection

    - by DMin
    Hi, I will be developing an application for a club where they will have visitors use biometric systems(finger print) or magnetic cards to mark their attendance. This application is planned as a web app, made using PHP/MySQL/Javascript. It does a lot of other things as well. What I wanted to find out is how is the interface between Biometric/Megnetic Card systems to a web app done? I've never worked on this and am hoping if someone who has experience with this can throw some light on this as to how this could be accomplished. Any pointers will be appreciated. (I'm afraid there's got to be some form of application installed on a pc that would interface with the hardware and probably makes calls to the web app. But, if there was a way to connect it to the web app directly, then the app would be easy to deploy to any location with minimal installation.) Thanks! :)

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  • Memory Allocation - Arduino

    - by Joey Arnold Andres
    I'm new to this low level stuff. I'm currently learning arduino. I'm currently using an Arduino Mega 2560 and in our course we are practicing memory management. I'm a pro at memory management in pc but somehow I'm having crazy problems here in arduino. For instance: The arduino have 8192B, I'm trying to overflow it with uint_16 so I made an array of 8192/16 which is 512. so I did uint16_t A[512+1]; Well I expected that to cause an overflow. What is wrong with my concept?

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  • Accurev SCM

    - by FlySwat
    Does anyone use Accurev for Source Control Management? We are switching (eventually) from StarTeam to Accurev. My initial impression is that the GUI tool is severely lacking, however the underlying engine, and the branches as streams concept is incredible. The biggest difficulty we are facing is assessing our own DIY tools that interfaced with starteam, and either replacing them with DIY new tools, or finding and purchasing appropriate replacements. Additionally, is anyone using the AccuWork component for Issue management? Starteam had a very nice change request system, and AccuWork does not come close to matching it. We are evaluating either using Accuwork, or buying a 3rd party package such as JIRA. Opinions?

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  • How do I retrieve a success message in Magento?

    - by Raul
    How do I retrieve a success message in Magento? Array ( [core] => Array ( [_session_validator_data] => Array ( [remote_addr] => 192.168.151.102 [http_via] => [http_x_forwarded_for] => [http_user_agent] => Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.70 Safari/533.4 ) [session_hosts] => Array ( [technova2] => 1 ) [messages] => Mage_Core_Model_Message_Collection Object ( [_messages:protected] => Array ( ) [_lastAddedMessage:protected] => Mage_Core_Model_Message_Success Object ( [_type:protected] => success [_code:protected] => Your review has been accepted for moderation [_class:protected] => [_method:protected] => [_identifier:protected] => [_isSticky:protected] => ) ) [just_voted_poll] => [visitor_data] => Array ( [] => [server_addr] => -1062692990 [remote_addr] => -1062693018 [http_secure] => [http_host] => technova2 [http_user_agent] => Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.70 Safari/533.4 [http_accept_language] => en-US,en;q=0.8 [http_accept_charset] => ISO-8859-1,utf-8;q=0.7,*;q=0.3 [request_uri] => /~rahuls/sextoys/index.php/review/product/list/id/169/ [session_id] => 21bq2vtkup5m1gtghknlu1tit42c6dup [http_referer] => http://technova2/~rahuls/sextoys/index.php/review/product/list/id/169/ [first_visit_at] => 2010-06-16 05:49:56 [is_new_visitor] => [last_visit_at] => 2010-06-16 06:00:00 [visitor_id] => 935 [last_url_id] => 23558 ) [last_url] => http://technova2/~rahuls/sextoys/index.php/review/product/list/id/169/ ) ) After posting the review I want to display the message: "Your review has been accepted for moderation". It appears in the $_SESSION array, but how do I fetch it? Please help. Thanks in advance.

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  • MySQL triggers cannot update rows in same table the trigger is assigned to. Suggested workaround?

    - by Cory House
    MySQL doesn't currently support updating rows in the same table the trigger is assigned to since the call could become recursive. Does anyone have suggestions on a good workaround/alternative? Right now my plan is to call a stored procedure that performs the logic I really wanted in a trigger, but I'd love to hear how others have gotten around this limitation. Edit: A little more background as requested. I have a table that stores product attribute assignments. When a new parent product record is inserted, I'd like the trigger to perform a corresponding insert in the same table for each child record. This denormalization is necessary for performance. MySQL doesn't support this and throws: Can't update table 'mytable' in stored function/trigger because it is already used by statement which invoked this stored function/trigger. A long discussion on the issue on the MySQL forums basically lead to: Use a stored proc, which is what I went with for now. Thanks in advance!

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  • JCAPS deployment to multiple external system environments.

    - by ring bearer
    Hope a few people in here are familiar with JCAPS. Coming from pure j2ee world, it is difficult to digest the deployment model that JCPAS offers. While creating deployment profile, we need to map the resources (such as jdbc, webservice connector) to external systems. External systems are predefined with the target server ip, port, db name, credentials etc(in case of jdbc). So the problem is an EAR built for test environment can not be deployed to production environment. In simpler applications we could store database/credentials etc on to property files and hence EAR built for UAT could be deployed to Production with out any change. Is there a similar strategy available for JCAPS by which EARs built against an environment can be promoted to another seamlessly?

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