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• What's the easiest way for a Java Swing client to consumer a webservice?

  - by Stephane Grenier

  I have a Java Swing application client that I want to use to consume certain webservices, but I want to make it as painless as possible to code (because really all I want is the info). I do understand that whatever solution is used will need to stub the POJO's too. If you'd like to give a demo, that would be great, or if you can point to a tutorial that would also be really appreciated. I did look at Axis, including the more recent Axis2, but it's a bit more complex than I was hoping (aka. I have to learn something). At least just for some quick prototype testing and not real development, more for the sake of just saying I can, is there something or a tutorial out there?

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• How do you crop a specific area with paperclip in Rails (3)?

  - by Smickie

  Hi, I have paperclip in Rails (3) working with simple cropping, for example the blow code makes a simple crop of the thumbnail: has_attached_file :image, :styles => { :thumb => "90x90#" }, :default_style => :thumb However I was wondering how do you crop a very specific area of an image; lets say you have an x and y coordinate to start from and then a width and height of the crop. How do you go about passing a complex style like this in? Thanks very much.

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• Passing an object as a parameter to a windows service

  - by user220723

  Is there some way to pass an object to a windows service? I know the method myServiceController.Star(string[] arg) but i need to pass a more complex object than a string array. Actually, i don't need the object to be passed as a parameter, what i really needs is that the service can use an object created in a windows forms application. I've tried using System.Web.Script.Serialization.JavaScriptSerializer.Serialize method to convert the object into a Json but i couldn't because the object contains a circular reference. I also tried using pointers, but i couldn't becouse it is a managed type object. Any idea what can i do?

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• Should I create subclass NSManagedObject or not?

  - by TP

  Hi, I have spent a few days learning and writing NSCoding and finally got it working. However, it took very long to archive and unarchive the (quite complex) object graph, which is unacceptable. After searching the internet for some time, I think the better way is to use core data. Do you recommend that 1) I should rewrite all my classes as subclasses of NSManagedObject or 2) should I create an instance variable of NSManagedObject in each of my class so that any changes to the class also updates its core data representation? Doing either way will need significant changes to the exiting classes and I think I have to update lots of unit test cases as well if it changes the way the classes are initialized. What do you recommend? I really don't want to head to the wrong approach again... Thanks!

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• How to make an application scriptable in Linux

  - by arx

  I've written an application in C++ that takes a complex binary file format and translates it into human-readable text. Having edited the text you can recompile it back into the binary file format. This would be more useful if the application's internal object model was scriptable. On Windows I'd expose the objects using COM or .Net but I want this to work on Linux. I could embed a scripting language but that's a fair bit of work, and limits users to the scripting language I choose. Ideally, I'm looking for some way of exposing a scriptable DOM from my application that is: Widely support in scripting languages (without writing language-specific wrappers) Cross-platform (but Linux support is most important) In-process (but this isn't essential)

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• Microsoft SQL Server 2005/2008 SSIS are oversized

  - by Ice

  In this case i'm old style and loved 'my fathers DTS' from SQL 2000. Most of the cases i have to import a flatfile into a table. In a second step i use some procedures (with the new MERGE-Statement) to process the imported content. For Export, i define a export-table and populate it with a store proc (containing a MERGE-Statement) and in a second step the content will be exported to a flat file. In some cases there is no flat file because there is annother sql-server or in rare cases an ODBC-Connection to a sybase or similar. What do you think? When it comes to complex ETL-Stuff the SSIS may be the right tool...but i haven't seen such a case yet.

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• SQL Function for On Balance Volume (Financial Query)

  - by CraigJSte

  I would like to create a function for On Balance Volume (SQL Function). This is too complex of a calculation for met to figure out but here is the outline of the User Defined Table Function. If someone could help me to fill in the blanks I would appreciate it. Craig CREATE FUNCTION [dbo].[GetStdDev3] (@TKR VARCHAR(10)) RETURNS @results TABLE ( dayno SMALLINT IDENTITY(1,1) PRIMARY KEY , [date] DATETIME , [obv] FLOAT ) AS BEGIN DECLARE @rowcount SMALLINT INSERT @results ([date], [obv]) // CREATE A FUNCTION FOR ON BALANCE VOLUME // On Balance Volume is the Summ of Volume for Total Periods // OBV = 1000 at Period = 0 // OBV = OBV Previous + Previous Volume if Close Previous Close // OBV = OBV Previous - Previous Volume if Close < Previous Close // OBV = OBV Previous if Close = Previous Close // The actual Value of OBV is not important so to keep the ratio low we reduce the // Total Value of Tickers by 1/10th or 1/100th // For Value of Volume = Volume * .01 if Volume < 999 // For Value of Volume = Volume * .001 If Volume = 999 FROM Tickers RETURN END This is the Tickers table [dbo].[Tickers]( [ticker] [varchar](10) NULL, [date] [datetime] NULL, [high] [float] NULL, [low] [float] NULL, [open] [float] NULL, [close] [float] NULL, [volume] [float] NULL, [time] [datetime] NULL, [change] [float] NULL )

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• anybody working or heard of qcubed/qcodo mvc frameworks ?

  - by bc0990

  Hi, I have been using qcodo/qcubed for developing CMS based sites. I had been successful in developing and maintaining fairly complex sites using these frameworks. Things get done so quick and easy using qcubed that i never felt the need to look for another framework like zend, symfony .... I am wondering if you guys have tried or have been using them. I have not tried zend, symfony, kohana or other frameworks of discusson on reddit. What is your opinion, is qcubed as good as these frameworks? If not can you please suggest some of the features that you find useful in other frameworks and are missing from qcubed. thanks

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• Resolve bash variable containted in another variable

  - by kogut

  I have code like that: TEXT_TO_FILTER='I would like to replace this $var to proper value' var=variable All I want to get is: TEXT_AFTER_FILTERED="I'd like to replace this variable to proper value" So I did: TEXT_AFTER_FILTERED=`eval echo $TEXT_TO_FILTER` TEXT_AFTER_FILTERED=`eval echo $(eval echo $TEXT_TO_FILTER)` Or even more weirder things, but without any effects. I remember that someday I had similar problem and I did something like that: cat << EOF > tmp.sh echo $TEXT_TO_FILTER EOF chmod +x tmp.sh TEXT_AFTER_FILTERED=`. tmp.sh` But this solution seems to be to much complex. Have any of You heard about easier solution?

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• C++ Multiple Inheritance Question

  - by John

  The scenario generating this is quite complex so I'll strip out a few pieces and give an accurate representation of the classes involved. /* This is inherited using SI by many classes, as normal */ class IBase { virtual string toString()=0; }; /* Base2 can't inherit IBase due to other methods on IBase which aren't appropriate */ class Base2 { string toString() { ... } }; /* a special class, is this valid? */ class Class1 : public IBase, public Base2 { }; So, is this valid? Will there be conflicts on the toString? Or can Class1 use Base2::toString to satisfy IBase? Like I say there are lots of other things not shown, so suggestions for major design changes on this example are probably not that helpful... though any general suggestions/advice are welcome.

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• Async data loading with WCF service with UI capabilities

  - by Jojo

  I'm working on complex user control(with Telerik components). I'm trying to implement following functionality: Typing some text in RadTextBox(let say: "Hello.txt"). Clicking on Button "Check". onClientClick for button "Check" will call WCF method with parameters. Let say that this request/response will take more that 10 seconds, meanwhile I'll see loading image near TextBox AND the most important, I can continue to work on other fields. When WCF service responses UI will be updated with the result. Thanks in advance

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• Is Classic ADO still viable for a mixed managed/unmanaged App?

  - by Andy Dent

  We have a complex architecture with much logic in unmanaged code that needs database access. Currently this is via ODBC drivers and MFC classes and we're considering the issues of migrating our abstraction layer to use ADO or ADO.Net. In the latter case we'd have to be pushing database logic back up into the .Net layer. I'm trying to decide if the pain of invoking the database via .Net callbacks is offset by the improvements in ADO.Net. The Wikipedia comparison was interesting although I'm not sure I believe all the points in the comparison table (eg: does ADO.Net always use XML to pass data?). A 2005 comparison shows ADO.Net performing dramatically faster. Microsoft's guide to ADO.Net for ADO programmers suggests we will gain much from going to ADO.Net especially the way that data is available in native (.Net) types rather than solely through OLEAutomation's Variant.

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• How do I make a Java ResultSet available in my jsp?

  - by melling

  I'd like to swap out an sql:query for some Java code that builds a complex query with several parameters. The current sql is a simple select. <sql:query var="result" dataSource="${dSource}" sql="select * from TABLE " </sql:query How do I take my Java ResultSet (ie. rs = stmt.executeQuery(sql);) and make the results available in my JSP so I can do this textbook JSP? To be more clear, I want to remove the above query and replace it with Java. <% ResultSet rs = stmt.executeQuery(sql); // Messy code will be in some Controller % <c:forEach var="row" items="${result.rows}" <c:out value="${row.name}"/ </c:forEach Do I set the session/page variable in the Java section or is there some EL trick that I can use to access the variable?

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• ASP MVC: Keeping track of logged in users.

  - by user323395

  I'm creating a ASP MVC application. And because of the complex authorization i'm trying to build my own login system. (So i'm not using asp membership providers, and related classes). Now i'm able to create new accounts in the database with hashed passwords. But how do i keep track that a user is logged in. Is generating a long random number and putting this with the userID in the database and cookie enough? Sorry for my rather bad english! Ty in advance :)

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• Implementing a "flag as spam/offensive" system

  - by UltraVi01

  I am looking for a community moderated way of managing/eliminating spam and offensive content. Functionality similar to StackOverflow and many other sites seems like a good way to go. Although I'm sure this could greatly vary based on specific needs, I am curious about the backend mechanism/algorithm --that is, has anyone had success using something like "3 strikes and you're out" -- the flagged post is automatically closed/deleted after 3 reports by users with the required credentials. Would something like this likely be effective or would it require a more complex solution to ensure honesty and effectiveness. Any thoughts / experiences would be great

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• How to deal with large result sets with Linq to Entities?

  - by user169867

  I have a fairly complex linq to entities query that I display on a website. It uses paging so I never pull down more than 50 records at a time for display. But I also want to give the user the option to export the full results to Excel or some other file format. My concern is that there could potentially be a large # of records all being loaded into memory at one time to do this. Is there a way to process a linq result set 1 record at a time like you could w/ a datareader so only 1 record is really being kept in memory at a time? I'd appreciate any help. Thanks

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• How to respond to any kind of interruption?

  - by mystify

  My app is playing a pretty complex animation. It's like a flipbook. What I do is: I have a huge loop with selectors, and after every delayed call the next one is called. Now someone calls the user and the device suddenly shows up this fat green status bar and maybe some big pick-up-the-phone-call overlay. Or: The alarm clock rings, and a big alert sheet appears in front of just about everything. It would be great to just pause the whole animation in case of ANY interruption. Probably I've also missed like 5 more possible interruptions. How are you doing that? How do you get notified for all interruptions and then call one single -stopEverything method?

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• A simple php form in Joomla?!

  - by Ben Fransen

  Hi all, Someone came to me and asked me if I could add a form to their Joomla page. I figured this should be easy since Joomla is widely used and such thing should be supported. I'm googling arround for 1,5h now, and I have given 4 formcreators a try but this is driving me crazy. The editors are all very complex for the simplest task I want. A simple form with: 5 text input; 1 radio selection criteria; the message a visitor sends. So I've given pretty much up upon formbuilders. Is there a simple way to include an external, self-built very easy php form, into the contactpage? I hope to hear from you... Greetings from Holland

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• Removing Duplicates in an array in C

  - by LuckySlevin

  The question is a little complex. The problem here is to get rid of duplicates and save the unique elements of array into another array with their original sequence. For example : If the input is entered b a c a d t The result should be : b a c d t in the exact state that the input entered. So, for sorting the array then checking couldn't work since I lost the original sequence. I was advised to use array of indices but I don't know how to do. So what is your advise to do that?

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• interfacing: simplified

  - by code wombat

  i've been doing some research on interfaces and a simple layman's explanation for what it truly is. For some reason people love using overly complex explanations and jargon to explain truly simple concepts (guess it makes them feel big) and i have a gut feeling it's the same in this case. so from what i could grasp, it seems like interfaces are nothing more than a way to reserve method names, their return type if any, and the type and amount of arguments they accept. so when a class implements an interface (or interfaces) it is forced to define the body of each method from the interface(s). Am i on the nose with this one or do i need to keep digging? p.s. i know javascript doesn't have support for interfaces, but i still need to understand the concept because there are quite a few places where it's shown how to emulate to an extent.

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• How can this be done with (N)Hibernate?

  - by Vilx-

  I'm creating a windows forms application with NHibernate. It's an MDI application, so there is no limit to how many forms the user can have open at the same time (probably many). For most forms I want to have an "OK" and a "Cancel" button. Both close the form, but "OK" also saves the modified data to the DB. The forms can be pretty complex, and the modifications are likely to touch a whole graph of objects, adding some, deleting some, and changing some more. It would be good if the changes could be automatically detected and persisted as needed, without the need to manually keep track of each of them. What would be a good way to do this? Extra information: I can make whatever DB schema I want. I'm using MSSQL 2008 and currently have decided for GUID primary keys (with guid.comb generator) and a TIMESTAMP column for optimistic concurrency. I tried to simply set FlushMode of a NHibernate ISession to Never, doing all modifications as needed, and then calling Flush() if the user clicked OK. But that didn't work.

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• Instant file sharing between users in PHP

  - by Skyfe

  Hi there, Working on a rather complex system in which users can directly exchange files with eachother from the website. However is any of these things possible: EITHER * Have another user download a file which is still being uploaded by another user ( in progress ) OR * Make a user automaticly ( instant ) download a file from another users PC through our website OR * Make a user automaticly (instant) download a file from our server ( so it's directly downloaded to the users pc and the progress shown on our website of the download progress, without the normal internet explorer dialog downloading the file or firefox ). Thank you very much in advanced, Best Regards, Webcodez.net. UPDATE: an example would be MSN's file sharing but then through a website instead of application.

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• User controlled html title tags

  - by zaf

  What are the best practices for allowing a user to maintain the html title tags of all the major pages of his/her site? One way could be to allow the mapping of URLs to some text. For example, we have an app with the following (most complex) url format: http://lang.example.com/searchpage.zaf?a=foo&b=bar&c=RANDOM There are several parts to this: Language sub domain Search page Static parameter 'a' (user may want this in the title) Dynamic and relevant parameter 'b' (user may want this in the title) Dynamic parameter 'c' which can be ignored Never done this before, so I'm asking how you would tackle this!

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• Calling HttpRequest::getRawRequestMessage() without send()

  - by danielgrad

  I am trying to call getRawRequestMessage() to get the raw HTTP content of the request described by a HttpRequest object, but I notice it always returns an empty string if I don't call send() first. Which kind of defeats my purpose (I want to send the data through other means than the HttpRequest's own send() method). Is there any other way to convert a HttpRequest object to it's raw string equivalent? To give more context: I'm working with a complex class that builds a HttpRequest object and sends requests through it and I want to add a new mode to the class that will work through raw sockets instead. The request is already built in the HttpRequest object and I would like to not have to parse the object manually to generate the HTTP message.

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• Simple RIA backend

  - by Jeremy

  I'm creating a prototype for a java web application. Frontend is a Swing-based java applet. Backend should be a type of web-service, that is called by applet. Backend should run inside a servlet container and should have its own security (username/password) database. I know, that Tomcat has its own user database (realm), but the app should have own. Web-services, in turn, carrying out app logic and database access (via Hibernate). I'm a newbie for a web development and I'm getting lost in a huge amount of the java web frameworks. Even just reading 'introduction' and 'getting started' documents takes a lot of time. So I need an advice which framework(s) are suitable for the task and not very complex for a quick start. Thank you

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