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  • Why should Java ThreadLocal variables be static

    - by kellyfj
    I was reading that JavaDoc for Threadlocal here http://java.sun.com/j2se/1.5.0/docs/api/java/lang/ThreadLocal.html and it says "ThreadLocal instances are typically private static fields in classes that wish to associate state with a thread (e.g., a user ID or Transaction ID). " But my question is why did they choose to make it static (typically) - it makes it a bit confusing to have "per thread" state but its static?

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  • NHibernate join and projection properties

    - by devgroup
    Hello, I have simple situation (like on the image link text) and simple SQL query SELECT M.Name, A.Name, B.Name FROM Master M LEFT JOIN DetailA A ON M.DescA = A.Id LEFT JOIN DetailB B ON M.DescB = B.Id How to achive the same effect in nHibernate using CriteriaAPI ?

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  • How would I write this shell script as a Windows batch script?

    - by Jeremy Banks
    I haven't had a chance to test this script, I'm just using it as a suitable pseudocode. It's just supposed to copy all files in the current directory into a timestamped subdirectory. ID="$(date +%Y%b%d%H%M%S)" COMMITABLE="$(ls | egrep --invert-match ^(STATES|PARENT)\$)" STATE_PATH="$(pwd)/STATES/$ID" mkdir --parents "$STATE_PATH" cp $COMMITABLE "$STATE_PATH" ln -s "$STATE_PATH" PARENT

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  • Indexing over the results returned by selenium

    - by Guy
    Hi I try to index over results returned by an xpath. For example: xpath = '//a[@id="someID"]' can return a few results. I want to get a list of them. I thought that doing: numOfResults = sel.get_xpath_count(xpath) l = [] for i in range(1,numOfResults+1): l.append(sel.get_text('(%s)[%d]'%(xpath, i))) would work because doing something similar with firefox's Xpath checker works: (//a[@id='someID'])[2] returns the 2nd result. Ideas why the behavior would be different and how to do such a thing with selenium Thanks

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  • get data using junction table with linq-sql confused :$

    - by raklos
    Im using linq-sql .I have 3 tables. e.g Project, People and a ProjectsPeople(fk's ProjectID and PeopleID) (junction) Table. given a set of peopleIDArray (an array of ints as people ID's) how can i get only Projects that have atleast one of the peopleId's associated with them? i.e there will be atleast one (may be more) record in the ProjectsPeople table that will have a ProjectId and an id from the peopleIDArray ) thanks

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  • How do I make an object a property of a model in Ruby on Rails?

    - by iTake
    I have this in my schema: create_table "robots_matches", :force => true do |t| t.integer "robot_id" t.integer "match_id" and I think I want to be able to load a robot and match from within my robots_match model so I can do something like this: robots_match.find(:id).get_robot().Name My attempt in the robots_matches model was this: def get_robot Robot.find(this.id) end I am super new to rails, so feel free to correct my architectural decision here.

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  • Dynamically created textboxes and changes plus jQuery in ASP.NET?

    - by gazeebo
    Hi all, I was wondering how to read off a value from a textbox that resides in a partialview and output the value into a textbox within the initial window. Here's my code... <script type="text/javascript"> $(document).ready(function (e) { // Calculate the sum when the document has been loaded. var total = 0; $("#fieldValues :input.fieldKronor").each(function (e) { total += Number($(this).val()); }); // Set the value to the correspondent textbox $("#fieldSummation").text(total); // Re-calculate on change $("#fieldValues :input.fieldKronor").change(function (e) { var total = 0; $("#fieldValues :input.fieldKronor").each(function (e) { total += Number($(this).val()); }); $("#fieldSummation").text(total); }); }); </script> Here's the table where in info is... <table id="fieldValues" style="width: 60%; margin-bottom: 2em"> <thead> <tr> <th>Rubrik, t.ex. teknik*</th> <th>Kronor (ange endast siffror)*</th> </tr> </thead> <asp:Panel ID="pnlStaffRows" runat="server"></asp:Panel> <tfoot> <tr> <th></th> <th>Total kostnad</th> </tr> <tr> <td></td> <td><input type="text" value="" class="fieldSummation" style="width:120px" /></td> </tr> </tfoot> </table> And here's the partialview... <tr> <td class="greyboxchildsocialsecuritynumberheading4" style="padding-bottom:1em"> <asp:TextBox ID="txtRubrikBox" ToolTip="Rubrik" runat="server" Width="120"></asp:TextBox> </td> <td class="greyboxchildnameheading3" style="padding-bottom:1em"> <asp:TextBox ID="txtKronorBox" class="fieldKronor" ToolTip="Kronor" runat="server" Width="120"></asp:TextBox> </td> </tr>

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  • nhibernate activerecord lazy collection with custom query

    - by George Polevoy
    What i'm trying to accomplish, is having a temporal soft delete table. table Project(ID int) table ProjectActual(ProjectID int, IsActual bit, ActualAt datetime) Now is it possible to map a collection of actual projects, where project is actual when there is no record in ProjectActual.ProjectID = ID, or the last record sorted by ActualAt descending has IsActual set to 1 (true)?

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  • How to bind Listbox to two properties?

    - by Gabriel
    I have in Silverlight a Grid with DataContext set to class ViewModel. ViewModel contains list of items (each of them containing int ID and string Text) and an integer "ID", which identifies actually active item (not selected item). I would like to construct xaml with ListBox where activated item has another color. How can I do it?

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  • Rails 3 - routing

    - by akam
    I don't know how to make a link_to because I'dont have a nouveau_message_path in rake routes rake routes : GET /nouveau_message/.:id {:action=>"nouveau_message", :controller=>"messages"} routes.rb : controller :messages do get 'nouveau_message/.:id' => :nouveau_message end What is the best way to make a link_to to nouveau_message from another view ? Thanks

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  • SQL to have one specific record at the top, all others below

    - by superdario
    Hey all, I am trying to put together a query that will display one specific record (found by the record's primary ID) at the top, and display all other records below it, sorted by date (I have "date_added" as one of the fields in the table, in addition to primary ID). I could do this with a UNION (first select would locate the record I want, and the other select would display all other records), but I'm wondering if is there perhaps a better way? I'm using Oracle, by the way.

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  • Filter on count(*) in oracle

    - by chris
    I have a grouped query, and would like to filter it based on count(*) Can I do this without a subquery? This is what I have currently: select * from (select ID, count(*) cnt from name group by ID) where cnt > 1;

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  • Creating temporary tables in MySQL Stored Procedure

    - by burntblark
    The following procedure gives me an error when I invoke it using the CALL statement: CREATE DEFINER=`user`@`localhost` PROCEDURE `emp_performance`(id VARCHAR(10)) BEGIN DROP TABLE IF EXISTS performance; CREATE TABLE performance AS SELECT time_in, time_out, day FROM attendance WHERE employee_id = id; END The error says "Unknown table 'performance' ". This is my first time actually using stored procedures and I got my sources from Google. I just cant figure out what I am doing wrong.

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  • HTML and jQuery anchoring

    - by Wayne
    Whenever the url contains the div id, it would obviously go down to the div when the URL has: http://domain.com.faq.php#1 <div id="1">Bla bla bla</div> But what I like is to have same feature of Stackoverflow, when you click on an answer in your messages, it will scroll down to the page and has that fadeOut effect on the answer. How do I do this?

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  • Javawebparts Ajaxparts: Using same Axis event multiple times in signle form.

    - by Bloodboiler
    I'm using Javawebparts Ajaxparts and would like to use one axis event multiple times in a form. Problem is that std:InnerHTML responseHandler takes its target html tag id in axis-config.xml so it seems impossible to reuse the definition when only thing that should change is the target tag id. Is there a way to set responseHandler parameters on the the page where it is used (in asix:event tag or someting)?

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  • How to filter rows on a complex filter

    - by dan
    I have these rows in a table ID Name Price Delivery == ==== ===== ======== 1 apple 1 1 2 apple 3 2 3 apple 6 3 4 apple 9 4 5 orange 4 6 6 orange 5 7 I want to have the price at the third delivery (Delivery=3) or the last price if there's no third delivery. It would give me this : ID Name Price Delivery == ==== ===== ======== 3 apple 6 3 6 orange 5 7 I don't necessary want a full solution but an idea of what to look for would be greatly appreciated.

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  • URL redirection if wrong url

    - by xRobot
    I have this method in my book model: def get_absolute_url(self): return "/book/%s/%s/%i/%i/" % ( self.book_title, self.book_editor, self.book_pages, self.id) So the urls of each book are like this: example.com/book/the-bible/gesu-crist/938/12/ I want that if there is an error in the url, then I get redirected to the real url by using book.id in the end of the url. For example if I go to: example.com/book/A-bible/gesu-crist/938/12/ the I will get redirected to: example.com/book/the-bible/gesu-crist/938/12/ How can I do that ?

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  • pgSQL query error

    - by running4surival
    i tried using this query: "SELECT * FROM guests WHERE event_id=".$id." GROUP BY member_id;" and I'm getting this error: ERROR: column "guests.id" must appear in the GROUP BY clause or be used in an aggregate function can anyone explain how i can work around this?

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  • How to translate this 2 queries from Mysql to Postgresql? :

    - by xRobot
    How can I translate this 2 queries in postgresql ? : CREATE TABLE `example` ( `id` int(10) unsigned NOT NULL auto_increment, `from` varchar(255) NOT NULL default '0', `message` text NOT NULL, `lastactivity` timestamp NULL default '0000-00-00 00:00:00', `read` int(10) unsigned NOT NULL, PRIMARY KEY (`id`), KEY `from` (`from`) ) DEFAULT CHARSET=utf8; Query: SELECT * FROM table_1 LEFT OUTER JOIN table_2 ON ( table_1.id = table_2.id ) WHERE (table_1.lastactivity > NOW()-100);

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  • Login system and sessions (php)

    - by Jonathan
    I've created a login page and registration page and now I want to use that to password protect pages and have pages which show information specific to that user. Would storing the user ID of the user logged in in a Session variable be a safe and correct way of doing this? How easy would it be for a user to change the session variable to a different ID and access another user's information, and not having to type the users login details in?

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  • Oracle: How to update master with newest row from detail table?

    - by LukLed
    We have two tables: Vehicle: Id, RegistrationNumber, LastAllocationUserName, LastAllocationDate, LastAllocationId Allocations: Id, VehicleId, UserName, Date What is the most efficient (easiest) way to update every row in Vehicle table with newest allocation? In SQL Server I would use UPDATE FROM and join every Vehicle with newest Allocation. Oracle doesn't have UPDATE FROM. How do you do it in Oracle?

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