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• DataSet.GetChanges - Save the updated record in a different table than the source one

  - by John Dev

  I'm doing operation on a dataset containing data from a sql table named Test_1 and then get the updated records using the DataSet.GetChanges(DataRowState.Modified) function. Then i try to save the dataset containing the updated records on a different table than the source one (the table is names Test and has the same structure as Test_1) using the following statement: sqlDataAdapter.Update(changesDataSet,"Test"); I'm getting the following error : Update unable to find TableMapping['Test'] or DataTable 'Test' I'm new to ado.net and don't even know if it"s something possible. Any advice is welcome. Just to provide a bit of context. ETL jobs are importing data in temp table with same structure as the original but with _jobid suffix. Right after a rule engine is doing validation before updating the original table.

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• Ruby: merge two hash as one and with value connected

  - by scalalala

  Hi guys: 2 hash: h1 = { "s1" => "2009-7-27", "s2" => "2010-3-6", "s3" => "2009-7-27" } h2 = { "s1" => "12:29:15", "s2" => "10:00:17", "s3" => "12:25:52" } I want to merge the two hash as one like this: h = { "s1" => "2009-7-27 12:29:15", "s2" => "2010-3-6 10:00:17", "s3" => "2009-7-27 2:25:52" } what is the best way to do this? thanks!

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• One SVN repository or many?

  - by nickf

  If you have multiple, unrelated projects, is it a good idea to put them in the same repository? myRepo/projectA/trunk myRepo/projectA/tags myRepo/projectA/branches myRepo/projectB/trunk myRepo/projectB/tags myRepo/projectB/branches or would you create new repositories for each? myRepoA/trunk myRepoA/tags myRepoA/branches myRepoB/trunk myRepoB/tags myRepoB/branches What are the pros and cons of each? All that I can currently think of is that you get mixed revision numbers (so what?), and that you can't use svn:externals unless the repository is actually external. (i think?) The reason I ask is because I'm considering consolidating my multiple repos into one, since my SVN host has started charging per repo.

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• Where does one get data like Country:(list) State:(list)

  - by rlb.usa

  As a programmer of data-entry forms of all kinds, I often find myself making fields for things like Country: <choose from list>, State: <choose from list>, Race/Ethnicity: <choose from list>. Consider: Perhaps a list the 50 United States names is an easy thing to find (does one include DC?) , but the countries are not. Nearly every site you find has a differing list with all of the political goings on over the years, and they become outdated quickly. What's the best/common practice regarding population of these kinds of lists? Where does this data come from if it's not given in the specs?

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• Merge 2 lines into one

  - by shantanuo

  I have a text file starts with 9 digits college code and ends with of 5 digits course code. 512161000 EN5121 K. K. Jorge Institute of Engineering Education and Research, Nashik 61220 Mechanical Engineering [Second Shift] XOPENH 1 116 16978 517261123 EN5172 R. C. Rustom Institute of Technology, Shirpur 61220 Mechanical Engineering [Second Shift] YOPENH 1 100 29555 617561234 EN6175 abc xyz Education Trust, abc xyz College of Engineering, Pune 61220 Mechanical Engineering [Second Shift] ZOPENH 2 105 25017 There are some entries where there is a line break as shown in the 3 example above. I need to merge 3rd and 4th line into one just like 1st and 2nd line, so that I can easily use command like grep, awk etc.

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• Oracle Sql: how to substract rows from one table from another only once

  - by slyder07

  I'm working for a university project, and I have the following question: I have 2 tables in a Oracle DB... I need to select those rows from table1, which are not included in table2... But the main problem is that I need to exclude that rows from table2 wich was selected once... For example: Table1 Table2 ResultTable id | Number | Letter id | Number | Letter id | Number | Letter _____________________ _____________________ _____________________ 1 4 S 1 6 G 2 2 P 2 2 P 2 8 B 3 5 B 3 5 B 3 4 S 4 4 S 4 4 S 4 1 A 6 2 P 5 1 A 5 1 H 6 2 P 6 2 X So, how you see it, if one row from Table1 has a "twin" in Table2, they both are excluded. Hope I was explicit enough. Sorry for my bad English. Thanks.

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• One input file to multiple output files

  - by user1265669

  I found some helpful stuff on this site but my input file is different from the examples already posted and I cannot make the leap in an efficient manner. My input file looks like this: sample_dude data1 data2 data3 data4 sample_lady data5 data6 data7 data8 sample_dude data9 data10 data11 data12 sample_child data13 data14 data15 data16 I want to create a separate file for each sample with all the data columns. For example, one file would be called sample_dude.txt and look like this: data1 data2 data3 data4 data9 data10 data11 data12 There is an unknown number of samples but always just four data columns. Any help greatly appreciated. Thank you. PS: I'm trying to do this in python.

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• How to assign one object to another in Linq c# without making new

  - by LLL

  I m facing issue in assiging one object to another in linq sql. In this example Func<result, result> make = q => new result { Id = q.Id, lName = q.lName, GroupId = q.GroupId, Age = (from tags in q.age where tags.Del == null && tags.lId == q.Id select age).ToEntitySet(), }; p = (from q in dc.results where q.Id == Id.Value select make(q)).First(); i am making new and assigning the object, but i dont want to do this, it will cause propblem in insertion. so i want to assign without making new, how is it possible?

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• Android TextWatcher for more than one EditText

  - by Creative MITian

  I want to implement the TextWatcher interface for more than one EditText fields. Currently I am using : text1.addTextChangedListener(this); text2.addTextChangedListener(this); then overriding the methods in my Activity: public void afterTextChanged(Editable s) {} public void beforeTextChanged(CharSequence s, int start, int count, int after) {} public void onTextChanged(CharSequence s, int start, int before, int count) { // do some operation on text of text1 field // do some operation on text of text2 field } However this is working fine but I'm looking for other ways so that I can explicitly identify that in which EditText field the SoftKeyboard is currently focused.

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• Asp.net with MVC multiple model in one view (create, update)

  - by Abdalmohaymen

  I have problem in asp.ne Mvc with multiple model in one view on create and update I 'm work on exams system class Questions and class Answers Question is aparent class and Answers is a child class [Bind(exclude("id"))] class Quesions { public string question{get; set;} public Datetime Timepostquestion{get; set;} } [Bind(exclude("id"))] class Answers { public string answer{get; set;} public Datetime Timepostanswer{get; set;} public questionId {get; set;} } in a view I use two classes how to use classes in insert and update what a way which I have to solve my problem

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• Multiple sessions or one?

  - by user1314285

  I am using a security token for a form, the form is dynamically built depending on selection through jquery. So the form is called quite a lot and different tokens created every-time. So.. if the same user calls the form 3 times the session would be rewritten? Would it help at all to check if the token exists and not create one unless its empty? or perhaps someone knows of a good way to work with form tokens? If 3 users are on then the token is created 3 times with different values, right? If I check for the token and 3 users are on then the session is created 3 times with the same values?

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• Using JQuery to replace multiple instances of HTML on one page

  - by Kenneth B

  I've made a script which copies the alt attribute of an image and puts it into a <span>. It also formulates the information divided by a hyphen. It works like a charm, but only with one image. I would also like to wrap a <div> around the image to prevent unnecessary markup. Script snippets: HTML: <div id="hoejre"> <p> <span class="alignright"> <img src="tommy_stor.jpg" alt="Name - Title" width="162" height="219" /> <span></span> </span> </p> </div> jQuery: var alt = $("#hoejre p span img").attr("alt"); $('#hoejre p span span') .html("<strong>" + alt.replace("-", "</strong> <em>") + "</em>"); Output: <span class="alignright"> <img height="219" width="162" alt="Name - Title" src="tommy_stor.jpg"> <span> <strong>Name</strong><em>Title</em> </span> </span> How do you I repeat the effect on several images, with different information within?

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• Multiple Exception Handlers for one exception type

  - by danish

  I am using Enterprose Library 4.1. I have created a custom exception handler called CustomHandler. This is how the configuration section would look like: <exceptionHandling> <exceptionPolicies> <add name="Exception Policy"> <exceptionTypes> <add type="System.Exception, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" postHandlingAction="NotifyRethrow" name="Exception"> <exceptionHandlers> <add type="WindowsFormsApplication1.CustomHandler, WindowsFormsApplication1" name="Custom Handler" /> <add exceptionMessage="Some test mesage." exceptionMessageResourceName="" exceptionMessageResourceType="" replaceExceptionType="Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ExceptionHandlingException, Microsoft.Practices.EnterpriseLibrary.ExceptionHandling" type="Microsoft.Practices.EnterpriseLibrary.ExceptionHandling.ReplaceHandler, Microsoft.Practices.EnterpriseLibrary.ExceptionHandling" name="Replace Handler" /> </exceptionHandlers> </add> </exceptionTypes> </add> </exceptionPolicies> </exceptionHandling> There are two handlers for same exception type. What I want is that based on a certain condition one of the handlers should handle the exception. Any ideas how that can be done? Is there a way to call the other handler from inside the HandleException method of the custom handler based on some condition?

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• Can't create more than one overlay in Seadragon

  - by XGreen

  Hi everyone, I am trying to add overlays to a seadragon map I am making but for some reason that I can not figure our seadragon ignores all my overlays except the first one. Any help with this is much appreciated. var viewer = null; function init() { Seadragon.Config.autoHideControls = false; viewer = new Seadragon.Viewer("container"); viewer.addEventListener("open", addOverlays); viewer.addControl(makeControl(), Seadragon.ControlAnchor.TOP_RIGHT); $(viewer.getNavControl()).parent().parent().css({ 'top': 10, 'right': 10 }); viewer.openDzi("_assets/Mapdata/dzc_output.xml"); } function makeControl() { var control = document.createElement("a"); var controlText = document.createTextNode(""); control.href = "#"; // so browser shows it as link control.className = "control"; control.appendChild(controlText); Seadragon.Utils.addEvent(control, "click", onControlClick); return control; } function onControlClick(event) { Seadragon.Utils.cancelEvent(event); // don't process link if (!viewer.isOpen()) { return; } // These are the coordinates of europe on this map var x = 0.5398693914203284; var y = 0.21155952391206562; var z = 5; viewer.viewport.panTo(new Seadragon.Point(x, y)); viewer.viewport.zoomTo(z); viewer.viewport.ensureVisible(); } function addOverlays(viewer) { drawer = viewer.drawer; var img = document.createElement("img"); img.src = "_assets/Images/pushpin.png"; $(img).addClass('pushPin'); var overlays = [ { elmt: img, point: new Seadragon.Point(0.51, 0.22) }, { elmt: img, point: new Seadragon.Point(0.20, 0.13) } ]; for (var i = 0; i < overlays.length; i++) { drawer.addOverlay(overlays[i].elmt, overlays[i].point); } } Seadragon.Utils.addEvent(window, "load", init);

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• "One of the request inputs not valid" error when attempting to update Azure Table Storage

  - by sako73

  I am attempting to update an entry in Azure Table Storage. The function is: public void SaveBug(DaBug bug) { bug.PartitionKey = "bugs"; bug.Timestamp = DateTime.UtcNow; if (bug.RowKey == null || bug.RowKey == string.Empty) { bug.RowKey = Guid.NewGuid().ToString(); _context.AddObject(c_TableName, bug); } else { _context.AttachTo(c_TableName, bug); _context.UpdateObject(bug); } _context.SaveChanges(); } If it is a new entry (the "bug.RowKey == null" path), then it works fine. If it is an update to an existing entity, then the "AttachTo", and the "UpdateObject" calls work, but when it gets to "SaveChanges", it throws the "One of the request inputs not valid" exception. The class that is being stored is: [DataContract] [DataServiceKey("RowKey")] public class DaBug { [DataMember] public bool IsOpen { get; set; } [DataMember] public string Title { get; set; } [DataMember] public string Description { get; set; } [DataMember] public string SubmittedBy { get; set; } [DataMember] public DateTime SubmittedDate { get; set; } [DataMember] public string RowKey { get; set; } public DateTime Timestamp { get; set; } public string PartitionKey { get; set; } } Does anyone know what the problem is? Thanks for any help.

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• Changing values of (multiple) dropdown lists from one dropdown list in MVC

  - by Mario

  I have an MVC page, with some controls inside a form. The part I need help with: I have a bunch of dropdowns in a list. All dynamically named (drop{0}, where {0} is the id (really, its just a counter: 1,2,3,etc)). At the top of the list, I want to have another dropdown that will update ALL the dropdowns when it is changed. I've done similar things with checkboxes (check one and all are checked, etc) so I assume this can be done, hopefully just as simple. I'd prefer it to be on the client side, so once the form is submitted, the new values will be added/updated to the database. Edit: The values of ALL the dropdowns are static. They are all a list of 1-50, representing the number of cards I need to produce for a given record. This is how I did the checkbox: $("#chkSelectAll").click(function() { $(".checkbox").attr('checked', this.checked); }); Any thoughts on where to begin? Thanks!

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• Adding multiple star rating widgets to one page

  - by diglettpotato

  I am using this jQuery plugin for star ratings: http://orkans-tmp.22web.net/star_rating/ Everything is going great, including using AJAX, etc. The problem is that I need to have many per page and can't quite figure out how to work with the selectors to achieve this. I think this is probably very easy for someone who knows their jQuery... Here's some code below... There are multiple kids per page, and I need one rating widget for each kid. I can set up each #rat to be unique with a kid attached to it, like #1rat, #2rat, etc. But then how would I set up the function to be run on each of them independently? <script type="text/javascript"> $(function(){ var kidval=1; //this needs to be setup for each kid... not just 1 var uidval=1; $('#rat').children().not("select, #rating_title").hide(); var $caption = $('<div id="caption"/>'); $('#rat').stars({ inputType: "select", oneVoteOnly: false, callback: function(ui, type, value) { $("#"+kidval+"messages").text("Saving...").fadeIn(30); $.post("vote.php", {rate: value, kid: kidval, uid: uidval}, function(json) { $("#"+kidval+"messages").text("Average"); ui.select(Math.round(json.avg)); $caption.text(" (" + json.votes + " votes, " + json.avg + " avg)"); $("#"+kidval+"messages").text("Rated " + value + " Thanks!").stop().css("opacity", 1).fadeIn(30); setTimeout(function(){ $("#"+kidval+"messages").fadeOut(1000) }, 2000); }, "json"); } }); $('#rat').stars("selectID", -1); $caption.appendTo(#rat); $('<div id="'+kidval+'messages"/>').appendTo(#rat); });

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• Lazy loading of Blob properties of one class

  - by Khosro

  Hi, My class contains "summary" and "title" properties those are Blob and other properties. Code:(I write some part of class) public class News extends BaseEntity{ @Lob @Basic(fetch = FetchType.LAZY) public String getSummary() { return summary; } @Lob @Basic(fetch = FetchType.LAZY) public String getTitle() { return title; } @Temporal(TemporalType.TIMESTAMP) public Date getPublishDate() { return publishDate; } } I instrument this class to lazy load of Blob properties using this class "org.hibernate.tool.instrument.javassist.InstrumentTask". When i write this code to retrieve only summary of new , newsDAO.findByid(1L).getSummary(); Hibernate generates these queries: Hibernate: select news0_.id as id1_, news0_.entityVersion as entityVe2_1_, news0_.publishDate as publish15_1_, news0_.url as url1_ from News news0_ Hibernate: select news_.summary as summary1_, news_.title as title1_ from News news_ where news_.id=? I have two qurestions: 1.I only want to retrieve "summary" property not "title" property,but Hibernate queries show that it also retrieve "title" property,Why this happens(i want to lazy load of "property")? It seems when i load one of Blob property ,Hibernate loads all of them.Why?(This is my main question) 2.Why Hibernate generates two queries for retrieving only "summary" property of news? Khosro.

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• Apache2: mod_wsgi or mod_python, which one is better?

  - by Algorist

  Hi, I am planning to write web service in python. But, I found wsgi also does the similar thing. Which one can be preferred? Thank you Bala Update I am still confused. Please help. Better in my sense means: 1. Bug will be fixed periodically. 2. Chosen by most developers. 3. Additional features like authentication tokens like AWS, can be supported out of the box. 4. No strong dependency on version.( I see that wsgi requires python 2.6) 5. All python libraries will work out of the box. 6. Scalable in the future. 7. Future upgrade don't cause any issues. With my limited experience, I want these features. There might be some I might be missing. Thanks Bala Update I am sorry for all the confusion caused. I just want to expose a restful web services in python language. Is there a good framework?

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• ActiveMQ broker configuration error when specifying persistenceAdapter: "One of '{WC[##other:"http:/

  - by Joe

  I am setting up a simple ActiveMQ embedded broker. It works fine, until I try to configure a persistence adapter. I am basically just copying the configuration from http://activemq.apache.org/persistence.html#Persistence-ConfiguringKahaPersistence. When I add this configuration to my Spring configuration, like so: <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:amq="http://activemq.apache.org/schema/core" xsi:schemaLocation=" http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.5.xsd http://activemq.apache.org/schema/core http://activemq.apache.org/schema/core/activemq-core-5.3.0.xsd"> <amq:broker useJmx="true" persistent="true" brokerName="localhost"> <amq:transportConnectors> <amq:transportConnector name="vm" uri="vm://localhost"/> </amq:transportConnectors> <amq:persistenceAdapter> <amq:kahaPersistenceAdapter directory="activemq-data" maxDataFileLength="33554432"/> </amq:persistenceAdapter> </amq:broker> </beans> I get the error: cvc-complex-type.2.4.a: Invalid content was found starting with element 'amq:persistenceAdapter'. One of '{WC[##other:"http://activemq.apache.org/schema/core"]}' is expected. When I take out the amq:persistenceAdapter element, it works fine. The same error happens no matter which persistence adapter I include in the body, e.g. jdbc, journal, etc. Any help would be greatly appreciated. Thanks.

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• URLRewriter.net fails relative paths when using more than one substring in URL

  - by Andreas Strandfelt

  Hi. I have installed the URLRewriter on my server, and it works fine, but I have a rather big problem. Relative links in hyperlinks, CSS-links, images etc. doesn't work when I have URLs with more than one substring. E.g. (sorry, no http:// in front, as I do not have enough reputation): dkbyg.strandweb.dk/Leje-og-udlejning-arbejdskraft leads to the path dkbyg.strandweb.dk/Workers.aspx and works just fine. But dkbyg.strandweb.dk/Leje-og-udlejning-arbejdskraft/Midtjylland leads to dkbyg.strandweb.dk/Workers.aspx?Region=Midtjylland using this line in the Web.config: <rewrite url="~/Leje-og-udlejning-arbejdskraft/(.+)" to="~/Workers.aspx?Region=$1"/> It rewrites just fine, but my relative links doesn't work anymore. CSS, Images, links and so on thinks my root is now http://dkbyg.strandweb.dk/Leje-og-udlejning-arbejdskraft, which of course doesn't exist. Can't this be fixed? All my links are correctly set using the ~/, like this: <asp:HyperLink ID="HyperLink3" CssClass="black_text" NavigateUrl="~/Forgot-Password" runat="server">I have forgotten my password</asp:HyperLink>

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• How can I pass more than one command line argument via c#

  - by user293392

  I need to pass more than one command line argument via c# for a process called handle.exe: http://www.google.com.mt/search?sourceid=chrome&ie=UTF-8&q=handle.exe First, I need to run the executable file via ADMINISTRATOR permissions. This post has helped me achieve just that: http://stackoverflow.com/questions/667381/programatically-run-cmd-exe-as-adminstrator-in-vista-c But then comes the next problem of calling the actual line arguments such as "-p explore" How can I specify the command line arguments together, or maybe consecutively? Current code is as follows: Process p = new Process(); ProcessStartInfo processStartInfo = new ProcessStartInfo("filePath"); processStartInfo.CreateNoWindow = true; processStartInfo.UseShellExecute = false; processStartInfo.RedirectStandardOutput = true; processStartInfo.RedirectStandardInput = true; processStartInfo.Verb = "runas"; processStartInfo.Arguments = "/env /user:" + "Administrator" + " cmd"; p.StartInfo = processStartInfo; p.Start(); string output = p.StandardOutput.ReadToEnd(); p.WaitForExit(); Console.WriteLine(output); Thanks

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• Selecting a Java framework for large application w/ only ONE user

  - by Bijan

  I am building a large application that will be hosted on an AWS server. I'm trying to select a web framework for assisting me with code organization, template design, and generally presentation aspects. Here are some points of consideration: Require security/login/user authentication. I may add the ability in the future to allow more than just an administrator to access the web app, but it is not a public facing website. AJAX support would be helpful. There are a couple widgets that I don't want to recreate. One is a tree object, where the user can expand/contract items in the list, can create new branches, add/edit objects. This would be better off in some dynamic view rather than all done in ugly html. Generally, this is just to provide the application with a face for control, management, and monitoring. Having an easier time adding buttons, CSS, AJAX widgets are great additions though, but not the primary purpose. I'm considering: Wicket Spring Seam GWT Stripe and the list goes on, as I'm sure you all know. I originally planned on using GWT, but then started to feel that GWT didn't cover my primary needs. I could be wrong about this, but there seems to be a lot of support for GWT AND Wicket/Spring. All of this 'getting lost in java frameworks' got me thinking outside the java realm for a framework that would suit my needs that was a clear option, like: JRuby/Rails Jython/Django Groovy/Grails Guice (just throwing this in there... I don't clearly understand the main purposes of all these frameworks. It doesn't seem like DInjection is something I need for a single purpose application) Thanks as always. This community makes Googling for esoteric programming information an order of magnitude better.

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• Rails validation error messages: Displaying only one per field

  - by Sergio Oliveira Jr.

  Rails has an annoying "feature" which displays ALL validation error messages associated with a given field. So for example if I have 3 validates_XXXXX_of :email, and I leave the field blank I get 3 messages in the error list. This is non-sense. It is better to display one messages at a time. If I have 10 validation messages for a field does it mean I will get 10 validation error messages if I leave it blank? Is there an easy way to correct this problem? It looks straightforward to have a condition like: If you found an error for :email, stop validating :email and skip to the other field. Ex: validates_presence_of :name validates_presence_of :email validates_presence_of :text validates_length_of :name, :in = 6..30 validates_length_of :email, :in = 4..40 validates_length_of :text, :in = 4..200 validates_format_of :email, :with = /^([^@\s]+)@((?:[-a-z0-9]+.)+[a-z]{2,})$/i <%= error_messages_for :comment % gives me: 7 errors prohibited this comment from being saved There were problems with the following fields: Name can't be blank Name is too short (minimum is 6 characters) Email can't be blank Email is too short (minimum is 4 characters) Email is invalid Text can't be blank Text is too short (minimum is 4 characters)

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• Hibernate: order multiple one-to-many relations

  - by Markos Fragkakis

  I have a search screen, using JSF, JBoss Seam and Hibernate underneath. There are columns for A, B and C, where the relations are as follows: A (1< -- ) B (1< -- ) C A has a List< B and B has a List< C (both relations are one-to-many). The UI table supports ordering by any column (ASC or DESC), so I want the results of the query to be ordered. This is the reason I used Lists in the model. However, I got an exception that Hibernate cannot eagerly fetch multiple bags (it considers both lists to be bags). There is an interesting blog post here, and they identify the following solutions: Use @IndexColumn annotation (there is none in my DB, and what's more, I want the position of results to be determined by the ordering, not by an index column) Fetch lazily (for performance reasons, I need eager fetching) Change List to Set So, I changed the List to Set, which by the way is more correct, model-wise. First, if don't use @OrderBy, the PersistentSet returned by Hibernate wraps a HashSet, which has no ordering. Second, If I do use @OrderBy, the PersistentSet wraps a LinkedHashSet, which is what I would like, but the OrderBy property is hardcoded, so all other ordering I perform through the UI comes after it. I tried again with Sets, and used SortedSet (and its implementation, TreeSet), but I have some issues: I want ordering to take place in the DB, and not in-memory, which is what TreeSet does (either through a Comparator, or through the Comparable interface of the elements). Second, I found that there is the Hibernate annotation @Sort, which has a SortOrder.UNSORTED and you can also set a Comparator. I still haven't managed to make it compile, but I am still not convinced it is what I need. Any advice?

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