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• Interface between two related JPA entities

  - by OpenSource

  The scenario is as below (tables shown) Delivery table ------ id channelId type 10 100 fax 20 200 email Fax table ---- id number 100 1234567 101 1234598 Email table ----- id email 200 [email protected] 201 [email protected] basically a one to one relationship between the delivery and the channel entity but since each concrete channel(fax, email) has different members I want to create a generic interface (channel) between the two entities and use it for the @OneToOne relationship. Seems to me a simple scenario where lot of you might have already gone through but I'm unable to succeed. I tried putting that targetEntity thing but no use. Still says "delivery references an unknown entity" Any ideas? thanks in advance

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• Team Review @ TSUG

  - by dmckinstry

  In case you haven’t heard, JB Brown is going to be presenting online at the Team System User Group this Thursday.  This month’s presentation will explain how Team Review (freely available) can be used with Team Foundation Server 2005, 2008 and even 2010! Meeting Date: Thursday, March 18th, 2010 Time: 5:00PM Pacific {Add to Calendar} {Join Meeting}

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• didSelectRowAtIndexPath TableView Popover Issue

  - by Jack Cody

  I've tried a lot of different code examples including just brute force try this try that but, stumped. The popover left arrow seems to display just fine if the first row is displayed at the very top of the table view but, when the table scrolls down the popover left arrow doesn't align correctly with the table row selected. Solutions or suggestions would be most appreciated. CGRect myFrame = [tableView rectForRowAtIndexPath:indexPath]; [self.editViewPopoverController setPopoverContentSize:CGSizeMake(320, 400)]; [self.editViewPopoverController presentPopoverFromRect:CGRectMake(myFrame.origin.x, myFrame.origin.y + offset, 400, 0) inView:self.view permittedArrowDirections:UIPopoverArrowDirectionLeft animated:YES]; Thanks.

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• Convert SQLITE SQL dump file to POSTGRESQL

  - by DevX

  I've been doing development using SQLITE database with production in POSTGRESQL. I just updated my local database with a huge amount of data and need to transfer a specific table to the production database. SQLITE outputs a table dump in the following format: BEGIN TRANSACTION; CREATE TABLE "courses_school" ("id" integer PRIMARY KEY, "department_count" integer NOT NULL DEFAULT 0, "the_id" integer UNIQUE, "school_name" varchar(150), "slug" varchar(50)); INSERT INTO "courses_school" VALUES(1,168,213,'TEST Name A',NULL); INSERT INTO "courses_school" VALUES(2,0,656,'TEST Name B',NULL); .... COMMIT; How do I convert the above into a POSTGRESQL compatible dump file that I can import into my production server?

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• A better way of converting Codepage-1251 in RTF to Unicode

  - by blue painted

  I am trying to parse RTF (via MSEDIT) in various languages, all in Delphi 2010, in order to produce HTML in unicode. Taking Russian/Cyrillic as my starting point I find that the overall document codepage is 1252 (Western) but the Russian parts of the text are identified by the charset of the font (RUSSIAN_CHARSET 204). So far I am: 1) Use AnsiString (or RawByteString) when parsing the RTF 2) Determine the CodePage by a lookup from the font charset (see http://msdn.microsoft.com/en-us/library/cc194829.aspx) 3) Translating using a lookup table in my code: (This table generated from http://msdn.microsoft.com/en-gb/goglobal/cc305144.aspx) - I'm going to need one table per supported codepage! There MUST be a better way than this? Preferably something supplied by the OS and so less brittle than tables of constants.

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• Silverlight Cream for November 20, 2011 - 2 -- #1170

  - by Dave Campbell

  In this Issue: Michael Washington, Oliver Fuh, Jeremy Likness, Derik Whittaker, Jesse Liberty, Jeff Blankenburg(-2-), and Michael Crump. Above the Fold: Silverlight: "Handling Extremely Large Data Sets in Silverlight" Jeremy Likness WP7: "31 Days of Mango | Day #8: Contacts API" Jeff Blankenburg LightSwitch: "LightSwitch Chat Application Using A Data Source Extension" Michael Washington Shoutouts: Michael Palermo's latest Desert Mountain Developers is up Michael Washington's latest Visual Studio #LightSwitch Daily is up Check out Shawn Wildermuth's take on the AppStore and WP7 in general: 40,000 Apps - What Does It Mean? Be sure to check out Jesse Liberty & Paul Betts new book: Programming Reactive Extensions and LINQ, I've just had a little time to look at mine, but don't let the size fool you... this is the good stuff! From SilverlightCream.com: LightSwitch Chat Application Using A Data Source Extension In his latest LightSwitch post, Michael Washington gives up code that will enable two people using the same LightSwitch app to chat. Great detailed tutorial as usual! Handling AdControl Fetching Exception WindowsPhoneGeek turns the blog reigns over to Oliver Fuh for this post about using the AdControl in your WP7 app and handling a common exception you get with the Microsoft AdControl Handling Extremely Large Data Sets in Silverlight In this excerpt from his book, Jeremy Likness discusses reading *LARGE* data sets with Silverlight using 3 different patterns: OData, WCF RIA Services, and MVVM. Using MVVM with the AutoCompleteTextBox in Silverlight 4 Derik Whittaker takes a break from WinRT to discuss the Silverlight 4 AutoCompleteTextBox and MVVM ... including a custom Behavior to allow the backing property to be updated and a command to trigger background searches Yet Another Podcast #52–Peter Torr on Windows Phone Multitasking Jesse Liberty scored Peter Torr on his Latest Yet Another Podcast .. talking about Multitasking on Windows Phone including background agents, the backstack, and other Mango features 31 Days of Mango | Day #8: Contacts API Jeff Blankenburg's Day 8 is about a new namespace on WP7: Microsoft.Phone.UserData ... now giving us the ability to treat the user's contact list like a local database 31 Days of Mango | Day #9: Calendar API On Day 9 in his series, Jeff Blankenburg revisits the Microsoft.Phone.UserData namespace and looks at another set of data: the calendar Want to Decompile Silverlight XAP files? Try JustDecompile Beta! Michael Crump has a post up about the new free developer productivity tool from Telerik that provides assembly browsing and decompiling: JustDecompile ... Just download it! Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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• Getting Started With nServiceBus on VAN Mar 31

  - by van

  Topic: nServiceBus is mature and powerful open source framework that enables to design robust, scalable, message-based, service-oriented architectures. Latest improvements in the configuration API enables developers to quickly get started and build a working simple system that uses messaging infrastructure. The goal of this session is to give a jump start with the framework, introduce basic concepts such as message handlers, Sagas, Pub/Sub, Generic Host and also create a working demo application that uses publish/subscribe messaging. The content of the session is addressed to developers that are interested in learning how to get started using nServiceBus in order to design and build distributed systems. Bio: Bernard Kowalski is currently a Software Developer at Microdesk, one of Autodesk's leading partners in providing variety of Geospatial and Computer-Aided Design solutions. Bernard has experience developing .NET framework-based applications utilizing Windows Forms, Windows Services, ASP.NET MVC, and Web services. In a recent project, Bernard architected and implemented a distributed system based on SOA principles using an open source implementation of an Enterprise Service Bus. Bernard develops software with Agile patterns and practices using Domain Driven Design combined with TDD (Test Driven Development). He is familiar with all of the following APIs: Autodesk Vault/Product Stream API, AutoCAD ActiveX/VBA/.NET API, AutoCAD Mechanical API, Autodesk Inventor API, Autodesk MapGuide Enterprise. Prior to joining Microdesk, Bernard worked as a researcher and teacher at the University of Science and Technology in Krakow, Poland where he was awarded with a PhD in Computer Methods in Materials Science. He also participated in research projects where he developed applications for analysis of hot compression test results using advanced optimization techniques. He also developed Finite Element Method-based programs for thermal and stress analysis using C++ and FORTRAN. Bernard is a member of the Domain Driven Design and ALT.NET user groups in NYC. Virtual ALT.NET (VAN) is the online gathering place of the ALT.NET community. Through conversations, presentations, pair programming and dojos, we strive to improve, explore, and challenge the way we create software. Using net conferencing technology such as Skype and LiveMeeting, we hold regular meetings, open to anyone, usually taking the form of a presentation or an Open Space Technology-style conversation. Please see the Calendar(http://www.virtualaltnet.com/Home/Calendar) to find a VAN group that meets at a time convenient to you, and feel welcome to join a meeting. Past sessions can be found on the Recording page. To stay informed about VAN activities, you can subscribe to the Virtual ALT.NET Google Group and follow the Virtual ALT.NET blog. Times below are Central Standard Time Start Time: Wed, Mar 31, 2010 8:00 PM UTC/GMT -5 hours End Time: Wed, Mar 31, 2010 10:00 PM UTC/GMT -5 hours Attendee URL: http://www.virtualaltnet.com/van Zach Young http://www.virtualaltnet.com

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• Is it possible to get the client process ID of an application that runs on SQL server?

  - by Andrea.Ko

  Hi all, For my VFP application, i have a program to check currently who is accessing the server (by using sp_who2), also another progam to check who is currently locking which table. But i wish to know which options my users is accessing at the moment. Am thinking if i can write a SP to get the current connected process ID for a specific client, and insert to a table(ActLog) in SQL with the program name pass into this table during users load the program. And delete that particular record when user unload the program. Then from the ActLog, i can know who is currently accessing to which program. At the moment, i wish to know if i able to get the client process ID? rgds/Andrea

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• MySQL SELECT MAX multiple tables : foreach parent return eldest son's picture

  - by Guillermo

  **Table parent** parentId | name **Table children** childId | parentId | pictureId | age **Table childrenPictures** pictureId | imgUrl no i would like to return all parent names with their eldest son's picture (only return parents that have children, and only consider children that have pictures) so i thought of something like : SELECT c.childId AS childId, p.name AS parentName, cp.imgUrl AS imgUrl, MAX(c.age) AS age FROM parent AS p RIGHT JOIN children AS c ON (p.parentId = c.parentId) RIGHT JOIN childrenPictures AS cp ON (c.pictureId = cp.pictureId)) GROUP BY p.name This query will return each parent's eldest son's age, but the childId will not correspond to the eldest sons id, so the output does not show the right sons picture. Well if anyone has a hint i'd appreciate very much Thank you very much, G

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• Modifying SQL Server Schema Collection

  - by Mevdiven

  SQL Server XML Schema Collection is an interesting concept and I find it very useful when designing dynamic data content. However as I work my way through implementing Schema Collections, I find it very difficult to maintain them. Schema Collection DDL allows only CREATE and ALTER/ADD nodes to existing schemes. CREATE XML SCHEMA COLLECTION [ <relational_schema>. ]sql_identifier AS 'XSD Content' ALTER XML SCHEMA COLLECTION [ <relational_schema>. ]sql_identifier ADD 'Schema Component' When you want to remove any node from a schema you have to issue following DDL's. If that schema collection assigned to a table column, you have to alter table to remove schema collection association from that column Drop the schema collection object Re-Create schema collection Alter table column to re-associate schema collection to that column. This is pain when it comes to 100+ of schemes in a collection. Also you have to re-create XML indexes all over again, if any. Any solutions, suggestions, tricks to make this schema collection object editing process easier?

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• Python 3.1.1 Class Question

  - by Protean

  I'm a new Python programmer who is having a little trouble using 'self' in classes. For example: class data: def __init__(self): self.table = [] def add(self, file): self.table.append(file) data.add('yes') In this function I want to have table be a variable stored in the class data and use add to modify it. However, when I run this script it gives me the error: Traceback (most recent call last): File "/Projects/Python/sfdfs.py", line 7, in <module> data.add('yes') TypeError: add() takes exactly 2 positional arguments (1 given) I assume that I am trying to call the function the wrong way in this instance, as this syntax is very similar to an example in the python documentation: http://docs.python.org/3.1/tutorial/classes.html

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• Help me understand JavaScript events

  - by Anil Namde

  I have a table full of cells and i would like to get on which cell the mouse is. For this i have attached events to all the cells and then i am finding the elements. But i guess there could be a better options. right ? Is it possible that i attach only single event handler on top and still be able to catch all the information. like which cell user is currently on etc. Something like below, <table onMouseOver="monitorFuntion(event)" >...</table>

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• How to check if object is sql to linq type

  - by remdao

  Hi, anyone know if there's any easy way to check if an object is an sql to ling type? I have a method like this but would like it to only accept valid types. public static void Update(params object[] items) { using (TheDataContext dc = new TheDataContext()) { System.Data.Linq.ITable table; if(items.Length > 0) table = dc.GetTable(items[0].GetType()); for (int i = 0; i < items.Length; i++) { table.Attach(items[i]); dc.Refresh(System.Data.Linq.RefreshMode.KeepCurrentValues, items[i]); } dc.SubmitChanges(); } }

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• Using LLBL as Model in MVC

  - by Quentin J S

  I have settled on trying to use ASP.NET MVC but the first part I want to replace is the Model. I am using LLBL Pro for the model. I have a table called "Groups" that is a simple look up table. I want to take thhe results of the table and populate a list in MVC. Something that should be very simple... or so I thought.... I've tried all kinds of things as I was getting errors like: The model item passed into the dictionary is of type 'System.Collections.Generic.List1[glossary.EntityClasses.GroupEntity]', but this dictionary requires a model item of type 'System.Collections.Generic.IEnumerable1[glossary.CollectionClasses.GroupCollection]'. private GroupCollection gc = new GroupCollection(); public ActionResult Index() { gc.GetMulti(null); return View( gc.?????? ); } This is all I am trying to do, I've tried lots of variations, but my goal is simply to take the data and display it.

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• Linked servers SQLNCLI problem. "No transaction is active"

  - by Felipe Fiali

  Im trying to execute a stored procedure and simply insert its results in a temporary table, and I'm getting the following message: The operation could not be performed because OLE DB provider "SQLNCLI" for linked server "MyServerName" was unable to begin a distributed transaction. OLE DB provider "SQLNCLI" for linked server "MyServerName" returned message "No transaction is active.". My query looks like this: INSERT INTO #TABLE EXEC MyServerName.MyDatabase.dbo.MyStoredProcedure Param1, Param2, Param3 Exact column number, names, the problem is not the result. MSDTC is allowed and started in both computers, Remote procedure calling too. The machines are not in the same domain, but I can execute remote queries from my machine and get the result. I can even execute the stored procedure and see its results, I just can't insert it in another table. Help, please? :)

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• Clickable link in RadGrid column

  - by brainimus

  I have a RadGrid where a column in the grid holds a URL. When a put a value in the column I can see the URL but the URL is not clickable (to go to the URL). How can I make the URL clickable? Here is a rough example of what I'm doing now: DataTable table = new DataTable(); DataRow row = table.Rows[0]; row["URL"] = "http://www.google.com"; grid.DataSource = table; In addition I'd really like to show specific text instead of the URL. Something similar to <a href="http://www.google.com">Link</a> in HTML. Is there anyway to do this?

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• How can I retain the editing in the search result with UISearchDisplayController?

  - by wal

  I want to search a table in editing mode, but when I type a letter the variable tableView.editing is changed to NO. And when I cancel the search, the tableView.editing return to YES. I'd like to retain the editing YES in the result of the search. I put breakpoint in several methods. Until the filterContentForSearchText method, the variable is YES, but in the cellForRowAtIndexPath, it is NO. Image of the table in editing mode just before type a letter in the search bar. Image of the search Image of the table after the searching (editing mode again)

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• Las Vegas? Anybody?

  - by divya.malik

  Our next stop on the events calendar is the Mandalay Bay Convention Center in Las Vegas, for Collaborate 2010- April 18th- 22nd, 2010. Oracle Siebel CRM and Oracle CRM On Demand will be represented with two key sessions Monday, April 19th, 2010- 10.45 am-11.45 am, Breakers D, Mark Woollen, CRM Vice President Improving Sales Productivity While Increasing Revenues Monday, April 19th, 2010- 1.15 pm-2.15 pm, Breakers D, Rich Caballero, CRM Vice President Delivering Superior Customer Service with Oracle's Siebel Service Applications We will also be in the demogrounds, so stop by to see the latest CRM innovations from Oracle and talk to our CRM experts.

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• Datamining on a mysql database

  - by sliptix

  Hello, I Begin with textmining. I have two database tables with thousands of data.. a table for "skills" and a table for "skills categories" every "skill" belongs to a skills categorie. a "skill" is , physicaly, a varchar(200) field in the database, where there is some text describing the skill. Here are some skills extracted from the skills table: "PHP (good level), Java (intermediaite), C++" "PHP5" "project management and quality management" "begining Javascript" "water engineering" "dfsdf zerze rzer" "cibling customers" what i want to do is to extract knowledge from those fields, i mean extract only the real skill and ignore the rest of useless text. for the above example i want to get only an array with: "PHP" "Java" "C++" "PHP5" "project management" "quality management" "Javascript" "water engineering" "cibling customers" what should i do to extract the skills from tons of data please ? do you know specific algorithms to do this ? ex : k-means ... ? Thanks in advance.

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• Report group headings not repeating on every page.

  - by ProfK

  I have an RDLC report with three tables and associated data sets. In my second table, I cannot get the two 'header' rows to repeat on each printed page. When viewed interactively, each table is on its own page and this isn't a problem. When I switch to print layout, e.g. my second table now spans two pages, and the second page gets no header rows. Am I missing a setting or something? ADDED: I do have the 'Repeat Header columns on each page' checked.

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• C# best means to store data locally when offline

  - by mickartz

  I am in the midst of writing a small program (more to experiment with vs 2010 than anything else) Despite being an experiment it has some practical use for our local athletics club. My thought was to access the DB (currently online) to download the current members and store locally on a laptop (this is a MS sql table, used to power the club's website). take the laptop to the event (yes there ARE places that don't have internet coverage), add members to that days race (also a row from a sql table (though no changes would be made to this), record results (new records in 3rd table) Once home, showered and within internet access again, upload/edit the tables as per the race results/member changes etc. So I was thinking i'd do something like write xml files locally with the data, including a field to indicate changes etc? If anyone can point me in a direction i would appreciate it...hell if anyone could tell me if this has a name!!..I'd appreciate it TIA Michael Artz

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• algorithm to combinatorics

  - by peiska

  I am trying to solve a combinatorics problem, it seems easy, but i am having some trouble with it. If i have at most X tables, and N persons to sit on the tables, Each table can have 1 to N seating places, and I can only sit persons in one side of a rectangular table( so the order how people sit matters). I want to make a code that can calculate all the distributions of seating places from 1 up to K tables. For example, if I have 12 persons and 1 table i have 479001600 ways of seating persons( thats easy to calculate I've used Factorial of 12). But if I have 12 persons and 3 tables i have 4390848000 ways of seating persons. I've tried different solutions but i was not able to find the correct one. I've tried to divided the 12 in 3, then o use factorial of the result (it didnt work), i've tried to use 12! * 3( it didn't work too). Can some one give me a tip in a algorithm that i can use?

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• Better way to make side-by-side DIVs in CSS

  - by JoelFan

  I have 2 DIV's that I want to be side-by-side under all circumstances. So far I am accomplishing it like this: <div style="float: left"> <table> ... </table> </div> <div style="float: right; overflow: scroll; width: 1000px"> <pre> ... </pre> </div> However, I don't like that I have to specify an absolute width in the 2nd div. I just want the 1st div to be the minimum width to display the table and 2nd div to take up the rest of the space without overflowing. Is there a better way?

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• DELETING doubled users (MySQL)

  - by vizzdoom

  Hi I have two tables. There are users informations from two sites: p_users p_users2 There are 3726 users in first and 13717 in second. Some users in p_users2 are in p_users. I want merge this two tables to the one big table - but rows with same usernames can't be doubled. How can I do this? I tried something like this: DELETE FROM p_users2 WHERE user_id IN ( select p.user_id from p_users p join p_users2 p2 on p.username=p2.username ) After that I should receive a table with unique usernames, which I want to export and import to the first one. But when I execute my query I got error: SQL Error (1093): You can't specify target table 'p_users2' for update in FROM clause. (MYSQL)

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• ROO: how to create composit primary key in Entity

  - by Paul

  Hi, What can I do if I need to create entity for a table in production DB (Oracle 10g) with composite primary key. For example: [CODE] CREATE TABLE TACCOUNT ( BRANCHID NUMBER(3) NOT NULL, ACC VARCHAR2(18 BYTE) NOT NULL, DATE_OPEN DATE NOT NULL, DATE_CLOSE DATE, NOTE VARCHAR2(38 BYTE) ); CREATE UNIQUE INDEX PK_TACCOUNT ON TACCOUNT (BRANCHID, ACC); I don't want to change the structure of this table. Is it possible to create an "id" field using roo commands? I use Spring Roo 1.0.2.RELEASE [rev 638] Paul

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