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  • Unit of Work pattern and persistence

    - by Mosh
    Hello, I have been reading about Unit of Work pattern but I am confused about how the UoW actually persists data. When we commit the changes, UoW should iterate through the list of Added, Updated and Deleted objects and somehow find a class responsible to Add, Update, Delete objects of a certain type. I couldn't find an example showing this technique. Any advice on this would be greatly appreciated. Mosh

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  • Flex: changing value in an array where elements are objects

    - by Treby
    Example: var arr_1:Array = new Array(); arr_1.push({sdate:"2010-02-02",status:"New"}); arr_1.push({sdate:"2010-02-03",status:"New"}); arr_1.push({sdate:"2010-02-04",status:"New"}); arr_1.push({sdate:"2010-02-05",status:"New"}); How can i change element number 3 status to: "Old", without removing it. just update the status value??

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  • Grails validateable not work for non-persistent domain class

    - by Hoàng Long
    I followed the instruction here: http://www.grails.org/doc/latest/guide/7.%20Validation.html and added into config.groovy: grails.validateable.classes = [liningtest.Warm'] Then added in src/groovy/Warm.groovy (it's a non-persistent domain class): package liningtest import org.codehaus.groovy.grails.validation.Validateable class Warm { String name; int happyCite; Warm(String n, int h) { this.name = n; this.happyCite = h; } static constraints = { name(size: 1..50) happyCite(min: 100) } } But it just doesn't work (both "blank false" & "size: 0..25") for the "hasErrors" function. It always returns false, even when the name is 25. Is this a Grails bug, if yes, is there any work-around? I'm using Grails 1.3.3 UPDATE: I have updated the simplified code. And now I know that constraint "size" can't be used with "blank", but still does not work. My test class in test/unit/liningtest/WarmTests.groovy package liningtest import grails.test.* class WarmTests extends GrailsUnitTestCase { protected void setUp() { super.setUp() } protected void tearDown() { super.tearDown() } void testSomething() { def w = new Warm('Hihi', 3) assert (w.happyCite == 3) assert (w.hasErrors() == true) } } And the error I got: <?xml version="1.0" encoding="UTF-8" ?> <testsuite errors="1" failures="0" hostname="evolus-50b0002c" name="liningtest.WarmTests" tests="1" time="0.062" timestamp="2010-12-16T04:07:47"> <properties /> <testcase classname="liningtest.WarmTests" name="testSomething" time="0.062"> <error message="No signature of method: liningtest.Warm.hasErrors() is applicable for argument types: () values: [] Possible solutions: hashCode()" type="groovy.lang.MissingMethodException">groovy.lang.MissingMethodException: No signature of method: liningtest.Warm.hasErrors() is applicable for argument types: () values: [] Possible solutions: hashCode() at liningtest.WarmTests.testSomething(WarmTests.groovy:18) </error> </testcase> <system-out><![CDATA[--Output from testSomething-- ]]></system-out> <system-err><![CDATA[--Output from testSomething-- ]]></system-err> </testsuite> UPDATE 2: When I don't use Unit test, but try to call hasErrors in the controller, it runs but return false value. (hasErrors return false with Warm('Hihi', 3) ). Does anyone has a clue?

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  • How do I rewrite a plist if its data types are immutable?

    - by dugla
    I am getting comfortable with using plists for initializing my app. I now want to save app state back to the plist used to initialize the app and I find myself stuck. At application startup I ingest the plist into an NSDictionary which is immutable. I now want to update the NSDictionary by replacing old values with new values for existing keys and write to the plist via [NSDictionary writeToFile:atomically]. How do I get around the immutability of NSDictionary? Thanks, Doug

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  • Svn vs Git

    - by rudigrobler
    I am starting a new distributed project where some of the developers will not be in the same country... What should I use: Git or SVN? Why? PS. It is a smart client application running on windows and will be developed using Visual Studio [UPDATE] And does it work on MacOS (Not required but interesting to know)?

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  • How to find index of an object by key and value in an javascript array

    - by return1.at
    Given: var peoples = [ { "attr1": "bob", "attr2": "pizza" }, { "attr1": "john", "attr2": "sushi" }, { "attr1": "larry", "attr2": "hummus" } ]; Wanted: Index of object where attr === value for example attr1 === "john" or attr2 === "hummus" Update: Please, read my question carefully, i do not want to find the object via $.inArray nor i want to get the value of a specific object attribute. Please consider this for your answers. Thanks!

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  • Updating Model with entity collection

    - by jean27
    There are a group of entities named Book and Magazine which inherits from the abstract class PublishedItem. PublishedItem have these properties: ID, Name, Publisher, List of Authors, List of Genres. The Book entity has the ISBN property and the Magazine entity has the ISSN property. I just want to ask how I can update the book's or magazine's list of genres or list of authors?

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  • rails declarative authorization, permit all actions for controller?

    - by SooDesuNe
    using the delcarative_authorization gem for rails, is there a shortcut to allow a role access to all controller actions? privileges do # default privilege hierarchies to facilitate RESTful Rails apps privilege :manage, :includes => [:create, :read, :update, :delete] end isn't sufficient, because I have more controlling methods than just CRUD in my controllers. Something like: role :foo do has_permission_on :bar, :to =>[:all] end would be perfect, but I'm not finding it in the docs.

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  • 2-Way databinding with Entity Framework and WPF DataGrid

    - by Mike Gates
    I'm having trouble adding an Entity Framework entity to a ObjectContext's EntitySet automatically using the WPF 4.0 DataGrid's add functionality. Here's the setup: DataGrid--BoundTo--ListCollectionView--BoundTo--EntitySet When I interactively add a row to the DataGrid, the EntitySet does not have a new entity added to it. Updating the row's cell data does in fact update the bound entity's properties, however. Any idea what I could be doing wrong?

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  • How to use jquery grid formatter for links with grails ?

    - by Neoryder
    I have this column in a html table in my gsp. <td><g:remoteLink action="show" id="${a.id}" update="form">${a.name}</g:remoteLink></td> I'd like to use jquery grid http://www.trirand.com/blog/?page_id=6 with my grails application. I'd like to format the above link for use in a jquery grid column. Does anybody know how to do this?

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  • How To Make iPhone App For Multiple Firmwares

    - by Dyldo42
    With iOS4 coming out soon, I have already planned to include an iAd in a future update of an app of mine. I assume that this will make my app unusable for anyone on a firmware lower than 4.0. Is there a way to change that variables and the .xib file based on the user's firmware? Cheers.

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  • VB.NET textbox changed but still hold initial value

    - by Jonesy
    Hi Folks, I've never come across this before: I have a series of text boxes. The text of these boxes get set on page load. then I have a submit button that calls a sub to update the table with the new values (text) in the text box. The problem is it is keeping the original text not the text that is CURRENTLY in the textbox. Anyone come across this before? Or know how to get round it? Cheers, Jonesy

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  • ASP.NET MVC CookieTempDataProvider: any experience?

    - by Igor Brejc
    UPDATE: looks like I've misunderstood what TempData is for and what it isn't. It definitively shouldn't be used to "keep certain session-wide data" as I asked initially (see ASP.NET MVC TempData Is Really RedirectData why). I've modified the question accordingly. Has anyone used CookieTempDataProvider for TempData storage? Are there any caveats to watch out for (apart from keeping the session storage small)? Any issues with using it on Web farms?

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  • How to call wordpress functions in custom php script

    - by sid.sri
    I have a Php script I want to use for creating a new blog in WPMU. I am having trouble calling wordpress functions like "wpmu_create_user" and "wpmu_create_blog". My hope is to get this script running as a cron job from command line and pick up new blog creation requests from an external db, create a new blog using the wordpress functions and update the db with new blog info. Any help/suggestions are highly appreciated. Sid.

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  • SQL to join to the best matching row

    - by williamjones
    I have a wiki system where there is a central table, Article, that has many Revisions in their own table. The Revisions each contain a created_at time and date column. I want to update the Articles to contain a denormalized field sort_name from the most recent Revision's name field. What SQL command can I issue to fill in each Article's sort_name field with its most recent Revision's name field? For what it's worth, I'm on PostgreSQL.

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  • SSIS 2008 - How to read from SQL Server Compact Edition file?

    - by Gustavo Cavalcanti
    I can see "SQL Server Compact Destination" under Data Flow Destinations, but I am looking for its source counterpart. If I choose ADO.Net source and create a new connection, there's no provider for SQL CE. What am I missing? Thanks! Update: I am able to create a "Data Source" (under "Data Sources" folder in my SSIS project") that connects to an existing Sql CE file. But how can I use this Data Source in my data flow?

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  • What's the best Scala build system?

    - by gatoatigrado
    I've seen questions about IDE's here -- Which is the best IDE for Scala development? and What is the current state of tooling for Scala?, but I've had mixed experiences with IDEs. Right now, I'm using the Eclipse IDE with the automatic workspace refresh option, and KDE 4's Kate as my text editor. Here are some of the problems I'd like to solve: use my own editor IDEs are really geared at everyone using their components. I like Kate better, but the refresh system is very annoying (it doesn't use inotify, rather, maybe a 10s polling interval). The reason I don't use the built-in text editor is because broken auto-complete functionalities cause the IDE to hang for maybe 10s. rebuild only modified files The Eclipse build system is broken. It doesn't know when to rebuild classes. I find myself almost half of the time going to project-clean. Worse, it seems even after it has finished building my project, a few minutes later it will pop up with some bizarre error (edit - these errors appear to be things that were previously solved with a project clean, but then come back up...). Finally, setting "Preferences / Continue launch if project contains errors" to "prompt" seems to have no effect for Scala projects (i.e. it always launches even if there are errors). build customization I can use the "nightly" release, but I'll want to modify and use my own Scala builds, not the compiler that's built into the IDE's plugin. It would also be nice to pass [e.g.] -Xprint:jvm to the compiler (to print out lowered code). fast compiling Though Eclipse doesn't always build right, it does seem snappy -- even more so than fsc. I looked at Ant and Maven, though haven't employed either yet (I'll also need to spend time solving #3 and #4). I wanted to see if anyone has other suggestions before I spend time getting a suboptimal build system working. Thanks in advance! UPDATE - I'm now using Maven, passing a project as a compiler plugin to it. It seems fast enough; I'm not sure what kind of jar caching Maven does. A current repository for Scala 2.8.0 is available [link]. The archetypes are very cool, and cross-platform support seems very good. However, about compile issues, I'm not sure if fsc is actually fixed, or my project is stable enough (e.g. class names aren't changing) -- running it manually doesn't bother me as much. If you'd like to see an example, feel free to browse the pom.xml files I'm using [github]. UPDATE 2 - from benchmarks I've seen, Daniel Spiewak is right that buildr's faster than Maven (and, if one is doing incremental changes, Maven's 10 second latency gets annoying), so if one can craft a compatible build file, then it's probably worth it...

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  • Which is better practice: complex SQL statements or Recordset manipulation in Access VBA?

    - by mazi
    I'm doing some VBA development and I found creating SQLs quite efficient way of getting everything done (selecting and updating). But I got to this stage where my SQL statements contain complex Switches and WHERE conditions where I have another Selects to update appropriate records. Therefore, I create this SQLs and I simply run it via "CurrentDb.Execute strSQL" and it does everything fine. The question is, why would I declare ADODB.connections etc, set recordsets, loop through it and manipulate the data one by one?

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  • How do I modify a HTTP response packet with winpcap?

    - by httpinterpret
    There are two problems here: What if content is encoded:gzip... Do I also need to change the header part to make the HTTP packet valid(checksums if any?) UPDATE Can someone with actual experience elaborate the steps involved? I'm using winpcap and bpf tcp and src port 80 to filter the traffic,so my job lies in this callback function: void packet_handler(u_char *param, const struct pcap_pkthdr *header, const u_char *pkt_data)

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  • Commercial use of Google API

    - by Mac
    This question maybe a better fit on The Business of Software forum but despite my post on there, I'm still unable to determine the following: Can I use the Google API to build commercial software? If not how can the people behind Byline charge for their app? Update: I'm specifically interested in Google's Picasa & Reader APIs

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