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  • How to implement filter system in SQL?

    - by sadvaw
    Right now I am planning to add a filter system to my site. Examples: (ID=apple, COLOR=red, TASTE=sweet, ORIGIN=US) (ID=mango, COLOR=yellow, TASTE=sweet, ORIGIN=MEXICO) (ID=banana, COLOR=yellow, TASTE=bitter-sweet, ORIGIN=US) so now I am interested in doing the following: SELECT ID FROM thisTable WHERE COLOR='yellow' AND TASTE='SWEET' But my problem is I am doing this for multiple categories in my site, and the columns are NOT consistent. (like if the table is for handphones, then it will be BRAND, 3G-ENABLED, PRICE, COLOR, WAVELENGTH, etc) how could I design a general schema that allows this? Right now I am planning on doing: table(ID, KEY, VALUE) This allows arbitary number of columns, but for the query, I am using SELECT ID FROM table WHERE (KEY=X1 AND VALUE=V1) AND (KEY=X2 AND VALUE=V2), .. which returns an empty set. Can someone recommend a good solution to this? Note that the number of columns WILL change regularly

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  • how to create an iphone Application that uses its GPS system

    - by vicky-saini
    Hi I am fairly new to iphone development. Right now, I am working on an iphone game that is being developed in cocos2d. But I want to create an iphone application that uses its GPS system. I searched a lot on net but didn't find much. I want to know about: What framework tou use like cocoa touch or cocos2d,etc? Any linksk that could help me regarding this? Any other relevant and helpful information? Thanks

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  • How to Disable the Move System Menu Item?

    - by Andreas Rejbrand
    In Microsoft Windows, this works: mnu := GetSystemMenu(h, false); EnableMenuItem(mnu, SC_CLOSE, MF_BYCOMMAND or MF_GRAYED); But this does not work: mnu := GetSystemMenu(h, false); EnableMenuItem(mnu, SC_MOVE, MF_BYCOMMAND or MF_GRAYED); Hence I know how to disable the "Close" system menu item of a window, but not the "Move" item. How do I do that? Update Of course one alternative to using the very nice function EnableMenuItem, is to use SetMenuItemInfo: FillChar(info, sizeOf(info), 0); with info do begin cbSize := sizeOf(info); fMask := MIIM_STATE; fState := MFS_GRAYED; end; SetMenuItemInfo(mnu, SC_MOVE, false, info); But this again works perfectly for SC_CLOSE, but not at all for SC_MOVE!

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  • Scala type system : basic type mismatch

    - by SiM
    I have a basic type system type mismatch problem: I have a class with a method def Create(nodeItem : NodeItem) = {p_nodeStart.addEndNode(nodeItem)} where p_nodeStart is NodeCache class NodeCache[END_T<:BaseNode] private(node: Node) extends BaseNode { def addEndNode(endNode : END_T) = {this.CACHE_HAS_ENDNODES.Create(endNode)} and the error its giving me is: error: type mismatch; found : nodes.NodeItem required: Nothing def Create(nodeItem : NodeItem) = {p_nodeStart.addEndNode(nodeItem)} while the NodeCache is defined as object NodeTrigger { def Create() { val nodeTimeCache = NodeCache.Create[NodeItem](node) and in object NodeCache object NodeCache { def Create[END_T<:BaseNode]() { val nodeCache = new NodeCache[END_T](node); Any ideas, how to fix the error?

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  • Is Software Engineering Dead? [closed]

    - by nik
    Right from Jeff's blog: Software Engineering: Dead? I was utterly floored when I read this new IEEE article by Tom DeMarco (pdf). See if you can tell why. He quotes DeMarco, "I'm gradually coming to the conclusion that software engineering is an idea whose time has come and gone". Further, "What DeMarco seems to be saying -- and, at least, what I am definitely saying -- is that control is ultimately illusory on software development projects." I am writing these lines without context to invoke reading of the related subject. What are the views of the programming community here? I have started to realize that a community wiki is not getting the right amount of participation here. That is the reason I left this question out in the open, while still contemplating a change to CW. It was closed once, and I thought that was the end of it. But, now I see it was reopened and has more answers (all of which I have not yet read). However, I see a lot of CW requests and am forced to reconsider that. This is how I intend to make the CW decision here. There is a comment by Neil Butterworth requesting a CW at 12 upvotes -- "should be community wiki" There is a comment by Lance Roberts requesting no CW at 0 upvotes -- "+1 for not putting it in community wiki" The difference is 12 for a CW request at the moment If this difference becomes 5 more (that is 17), I'll move this question to CW, and it will not return back from there Of course, there is also a close vote at the moment; the question may be closed again.

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  • Build number increment not reflected in AssemblyVersion

    - by awshepard
    I've browsed through some of the discussion on auto-incrementing build numbers, but in the impatience of youth decided to roll my own and re-invent the wheel. I know there are probably better ways to go about this (which I'm definitely going to investigate), but my question centers more around the Assembly and/or Version classes. My approach was to write a separate exe (BuildIncrementer) that takes a command line parameter for file name, does a regex match on the contents to grab the [assembly: AssemblyVersion...] string, do the modifications that I want (increment the build number, etc.), then write the contents back to the file. This approach works as-is. The next thing I did was in the project that I wanted to use this on, I set up a pre-build command line that is simply the command to execute that BuildIncrementer.exe on this project's AssemblyInfo.cs file. This too works, updating the assembly info as desired. The problem comes when I run the project, it sends an email containing the current version, obtained with Assembly.GetExecutingAssembly().GetName().Version.ToString(). BUT, the version showing up is the previous version. When my AssemblyInfo.cs says [assembly: AssemblyVersion("1.0.2.49667")], I get sent 1.0.1.45660, which was the previous build. Anyone have any ideas why that might be?

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  • Scrum: What if the Product Owner has tasks?

    - by Lauren J
    I have just started working with a team that has picked up some aspects of Scrum (two week timeboxing) but not others (the team does not currently agree to all estimates or to the number of points in a sprint, but I'll change this soon.) The product owner is also a technical resource (scientist) with some development background. Is it appropriate to have the product owner's tasks (which mostly involve research) mixed in with the team's tasks (some of which are research and some development). I have looked at a lot of resources and not found an answer. Thanks!

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  • Fully customized login system in Django?

    - by user367817
    Hey, I am currently writing an application which I plan to sell as SaaS. Without giving away "secrets," I can say that it is basically a "document editing system" in which many users will be submitting documents. The basic heirarchy is this: Institution Individual Document Sub-document So each Individual should be able to BROWSE all documents that were submitted by anybody in their institution, but should only be able to EDIT documents that they created. No individual should even be aware of the existence of another Institution--that should all be completely hidden. I have written a Django/Python class that would facilitate this, but every document regarding authentication that I have read requires that I use the User object. Is this just a limitation of Django, or is there a way to do this? If there is a way, how can I get my own "Individual" class details attached to the "request" objects so I can validate the things I should be showing the users?

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  • What is your favorite pastime to engage in while your project is buidling?

    - by ondesertverge
    As my average project grows in size the sum of build times throughout the day (and night) adds up to a substantial amount of time. Some of the things I or others do in this time include: Reading the news Thinking of ways to advance the project Looking at other projects Throwing darts Checking the unanswered list on stackoverflow.com Build times aren't constant making it hard to plan constructive use of them. I would like to hear of a method in use to make beneficial use of those few minutes that can add up to a few hours.

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  • Multiple records with one request in RESTful system

    - by keithjgrant
    All the examples I've seen regarding a RESTful architecture have dealt with a single record. For example, a GET request to mydomain.com/foo/53 to get foo 53 or a POST to mydomain.com/foo to create a new Foo. But what about multiple records? Being able to request a series of Foos by id or post an array of new Foos generally would be more efficient with a single API request rather than dozens of individual requests. Would you "overload" mydomain.com/foo to handle requests for both a single or multiple records? Or would you add a mydomain.com/foo-multiple to handle plural POSTs and GETs? I'm designing a system that may potentially need to get many records at once (something akin to mydomain.com/foo/53,54,66,86,87) But since I haven't seen any examples of this, I'm wondering if there's something I'm just not getting about a RESTful architecture that makes this approach "wrong".

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  • Sharepoint 2010, People Picker (peoplepicker-searchadforests), 1 way Active Directory trust .... process monitor to the rescue!

    - by steve schofield
    If you run Sharepoint 2010 in one forest, users in another forest and a 1-way forest in-place.  There is some additional configuration needed in Sharepoint 2010.  I included links below that discuss the details.  My post is not to be in-depth how to setup, rather share a tidbit not discussed in documentation (not that I could find).  Thanks to a smart co-worker and process monitor, it was found there is a registry entry, the application pool needs READ access.  You can either manually grant permissions on the server or add registry permission in AD Group Policy.  Hope this helps. People Picker overview (SharePoint Server 2010)http://technet.microsoft.com/en-us/library/gg602068.aspx Configure People Picker (SharePoint Server 2010)http://technet.microsoft.com/en-us/library/gg602075(d=lightweight).aspx Peoplepicker-searchadforests: Stsadm property (Office SharePoint Server)http://technet.microsoft.com/en-us/library/cc263460.aspx Application Pool needs read accessMACHINE\SOFTWARE\Microsoft\Shared Tools\Web Server Extensions\14.0\Secure Multi Forest/Cross Forest People Pickerhttp://blogs.msdn.com/b/joelo/archive/2007/01/18/multi-forest-cross-forest-people-picker-peoplepicker-searchadcustomquery.aspx Process Monitorhttp://technet.microsoft.com/en-us/sysinternals/bb896645.aspx Steve SchofieldMicrosoft MVP - IIS

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  • Fluentnhibernate and PostgerSQL, SchemaMetadataUpdater.QuoteTableAndColumns - System.NotSupportedExc

    - by Vyacheslav
    Hello! I'm using fluentnhibernate with PostgreSQL. Fluentnhibernate is last version. PosrgreSQL version is 8.4. My code for create ISessionFactory: public static ISessionFactory CreateSessionFactory() { string connectionString = ConfigurationManager.ConnectionStrings["PostgreConnectionString"].ConnectionString; IPersistenceConfigurer config = PostgreSQLConfiguration.PostgreSQL82.ConnectionString(connectionString); FluentConfiguration configuration = Fluently .Configure() .Database(config) .Mappings(m => m.FluentMappings.Add(typeof(ResourceMap)) .Add(typeof(TaskMap)) .Add(typeof(PluginMap))); var nhibConfig = configuration.BuildConfiguration(); SchemaMetadataUpdater.QuoteTableAndColumns(nhibConfig); return configuration.BuildSessionFactory(); } When I'm execute code at line SchemaMetadataUpdater.QuoteTableAndColumns(nhibConfig); throw error: System.NotSupportedException: Specified method is not supported. Help me, please! I'm very need for solution. Best regards

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  • How do you specify a direct build name directory using TFS build of an ASP.net web application?

    - by Mark Kadlec
    I have a TFS build set up to deploy an ASP.net project to a test server. The build works great, and deploys to the test server fine, but instead of putting it into the \Website directory that my IIS webserver is configured for, it puts the build into \Website_20100511.6 Why is the date suffixed to the directory name? Is there a way to turn that off so I can publish directly to the \Website?

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  • C# DLL reference changes version and becomes unloadable (Plugin-system)

    - by Kristoffer
    I will try to keep this as simple as possible. I have a rather simple plugin system that has run into a problem. I have 2 assemblies: Host.exe Plugin.dll Plugin.dll references Host.exe (which contains interfaces and classes that Plugin.dll implement and use). At runtime, Host.exe loads Plugin.dll through reflection and this works great. Except when Host.exe updates and gets a new version number. Then I get an error once I try to load Plugin.dll, saying that Host.exe (with the old version number) can't be found. This means I have to rebuild all plugins every time Host.exe changes build number. Anyone got a solution to this?

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  • javascript pausing consistently. How do I find what is causing it to pause?

    - by pedalpete
    I've got a fairly ajax heavy site and I'm trying to tune the performance. I have a function that runs between 20 & 200 times, depending on the user. I'm outputting the time the function takes to execute via console.time in firefox. The function takes about 4-6ms to complete. The strange thing is that on my larger test with 200 or runs through that function, it runs through the first 31, then seems to pause for almost a second before completing the last 170 or so. However, that 'pause' doesn't show up in the console.time logs, and I'm not running any other functions, and the object that gets passed to the function looks the same as all other objects that get passed in. The function is called like this for (var s in thisGroup.events){ showEvent(thisGroup.events[s]) } so, I don't see how or why it would suddenly pause near the beginning. but only pause once and then continue through. The pause ALWAYS happens on the 31st time through the function. I've taken a close look at the 'thisGroup.events[s]' that it is being run through, and it looks like this for #31 "eventId":"5106", "sid":"68", "gid":"29", "uid":"70","type":"event", "startDate":"2010-03-22","startTime":"6:00 PM","endDate":"2010-03-22","endTime":"11:00 PM","durationLength":"5", "durationTime":"5:00", "note":"", "desc":"event" The event immediately after the pause, #32 looks like this "eventId":"5111", "sid":"68", "gid":"29", "uid":"71","type":"event", "startDate":"2010-03-22","startTime":"6:00 PM","endDate":"2010-03-22","endTime":"11:00 PM","durationLength":"5", "durationTime":"5:00", "note":"", "desc":"event" another event that runs through no problem looks like this "eventId":"5113", "sid":"68", "gid":"29", "uid":"72","type":"event", "startDate":"2010-03-22","startTime":"4:30 PM","endDate":"2010-03-22","endTime":"11:00 PM","durationLength":"6.5", "durationTime":"6:30", "note":"", "desc":"event" From the console outputs, it doesn't appear as there is anything hanging or taking up time in the function itself, as the console.time for each event including #31,32 is 4ms. Another strange thing here is that the total time running the for loop across the entire object is coming out as 1014ms which is right for 200 events at 4-6ms each. Any suggestions on how to find this 'pause'? I find it very interesting that it is consistently happening between #31 & #32 only!

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  • Proper pidfile usage

    - by Moev4
    I am unclear on the need and the usage of a pid-file and I wanted to know what is the correct usage of a pidfile and what are the best practices surrounding it.

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  • Need to get back form controls' information externally

    - by Tom
    Are there any tutorials or guides out there that anyone knows of that will show me how to read forms from an external program and get back information about the controls on the form? Currently, I can get the handle to the form, and I can get the class name, but I need to get more information such as a persistent name and contained data. Thanks. Edit: I now have a way to read the contained data (with the WM_GETTEXT message), however, I still need a persistent name/ID that I can be sure will not change from instance to instance. One way I can think of for doing this is to take the handle, find the position of the control on the window, and then get the handle from the position from then on. Another way is to determine a static ID for the control and then use that to get the handle from then on. The new scope of my problem is how to implement either of these. Any Ideas?

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  • Creating an installer for Linux application

    - by user290796
    Hi, I'm developing a small cross-platform application and I need some advice on how to install it in Linux. I am using InnoSetup in Windows and an application bundle in OSX but I have no idea how to get my app installed in Linux, are there any opensource installer creators for Linux? Thanks.

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  • Tutorials on packaging a java application

    - by JCH
    Hi, Can somebody point me to some tutorials and best practices that show to make a build from source code for a java desktop / jee web application ? I want to learn what needs to be packaged as a war/jar from source and how it must be structured? br /jon

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  • Synchronising scripts / db / files from dev system to web server

    - by Spoonface
    I work as a freelance web dev, and up until now have been ftping my scripts / databases / static files to my web server manually, but I'm finding that is too error prone. So I'm looking for an app to automate uploading new and updated scripts / files / databases / etc. I know a lot of independent devs use WinSCP or Unison, but I don't think those apps can synch databases. Does anyone have any other suggestions? It doesn't need to be anything overly feature rich as I'm not working within a team or across multiple operating systems or anything like that. I can purchase any reasonably priced license if necesary. My work is primarily for PHP / MySQL / Apache on a Windows system, and then uploaded to a Linux / Apache server. thanks for your time!

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  • An unhandled exception of type 'System.StackOverflowException' occurred in mscorlib.dll

    - by Sahar
    Hello everybody i wrote a code in asp.net that read data from files and draw a graph. It worked but after awhile when i run the program, this exception arise "An unhandled exception of type 'System.StackOverflowException' occurred in mscorlib.dll" in this statement in the code: if (File.Exists(fName)) <----(here is the exception) { stream = File.Open(fName, FileMode.Open); g_day = Deserialize(stream); stream.Close(); int cn = 0; if (g_day.Values.Count != 0) cn = g_day.Values[g_day.Values.Count - 1].Value; Label1.Text = cn.ToString(); } can u help me

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  • Visual Studio 2010 Publish Web feature not including all DLLs

    - by manu08
    I have an ASP.NET MVC 2 application. Web project contains a reference to SomeProject SomeProject contains references to ExternalAssembly1 and ExternalAssembly2. SomeProject explicitly calls into ExternalAssembly1, but NOT ExternalAssembly2. ExternalAssembly1 calls into ExternalAssembly2 When I perform a local build everything is cool. All DLLs are included in the bin\debug folder. The problem is that when I use the Publish Web command in Visual Studio 2010, it deploys everything except ExternalAssembly2. It appears to ignore assemblies that aren't directly used (remember, ExternalAssembly2 is only used by ExternalAssembly1). Is there any way I can tell Visual Studio 2010 to include ExternalAssembly2?

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  • Best build dir location to use in Xcode

    - by neoneye
    I'm consolidating my Xcode/TextMate setup and is interested in where you put your build dir. Some years ago I started out having the build dir in the same dir as my xcodeproj file. However it became a mess when my project became a multi project with a applications and frameworks and tests, so I started using ../build as the build dir, so that all the sub projects used the same dir. However Spotlight is indexing this build dir and TextMate's global find is unusable when there is a build dir in the project. I'm thinking either using ~/.build or /build as Xcode's build dir. What build dir do you use and why?

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