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  • Where JSF and struts2 fails/goods

    - by ch.o.i.ce
    I am begining a web system and can't decide what technology use! Struts2 and JSF (with jboss seam) are a nice choices, but I can't decide which's better. In JSF have some that I don't like, maybe its "paradigm" no action like. And Struts2, the peoples here don't use more. The system is a map collaborative web site.

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  • How to make custom join query with Django ?

    - by xRobot
    I have these 2 models: genre = ( ('D', 'Dramatic'), ('T', 'Thriller'), ('L', 'Love'), ) class Book(models.Model): title = models.CharField(max_length=100) genre = models.CharField(max_length=1, choices=genre) class Author(models.Model): user = models.ForeignKey(User, unique=True) born = models.DateTimeField('born') book = models.ForeignKey(Book) I need to retrieve first_name and last_name of all authors of dramatic's books. How can I do this in django ?

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  • VS2008 VB project - Changing application type automatically adds references

    - by Stijn
    Visual Basic Create a new project with the Empty Project template (Visual Basic - Windows) Go to the project properties, and change the Application type by choosing something else or reselecting Windows Forms Application. When reselecting, Visual Studio will automatically add references to System.Deployment, System.Drawing and System.Windows.Forms C# Create a new project with the Empty Project template (Visual C# - Windows) Go to the project properties, and change the Application type to any of the choices. Visual studio will not add references. Question Is there a way to change this behaviour for Visual Basic?

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  • Suggestions for designing large-scale Java webapp from the group up

    - by Chris Thompson
    Hi all, I'm about to start developing a large-scale system and I'm struggling with which direction to proceed. I've done plenty of Java web apps before and I have plenty of experience with servlet containers and GWT and some experience with Spring. The problem is most of my webapps have been thrown together just to be a proof of concept and what I'm struggling with is what set of frameworks to use. I need to have both a browser based application as well as a web service designed to support access from mobile devices (Android and iPhone for now). Ideally, I'd like to design this system in such a way that I don't end up rewriting all of my servlets for each client (browser and phone) although I don't mind having some small checks in there to properly format the data. In addition, although I'm the only developer now, that won't necessarily be the case down the road and I'd like to design something that scales well both with regards to traffic and number of developers (isn't just a nightmare to maintain). So where I am now is planning on using GWT to design the browser-based interface but I'm struggling with how to reuse that code with to present the interface (most likely xml) for the mobile devices. Using GWT RPC would, I think, make it relatively easy to do all of the AJAX in the browser, but might make generating xml for the mobile phones difficult. In addition, I like the idea of using something like Hibernate for persistence and Spring Security to secure the whole thing. Again, I'm not sure how well those will cooperate with GWT (I think Hibernate should be fine...) There's obviously a lot more to this than I've presented here, but I've tried to give you the 5-minute overview. I'm a bit stumped and was wondering if anybody in the community had any experience starting from this place. Does what I'm trying to do make sense? Is it realistic? I have no doubt I can make all of these frameworks speak the same language, I'm just wondering if it's worth my time to fight with them. Also, am I missing a framework that would be really beneficial? Thanks in advance and sorry for the relatively broad question... Chris

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  • Problem including dynamic image in Eclipse BIRT 2.5.0 report on Windows

    - by schmeedy
    I have a BIRT 2.5.0 report design with a dynamic image (URL is specified through report parameter, image formats tried - .png, .bmp). When running the report from our application on Ubuntu, everything renders OK. When doing exactly the same thing on Windows, there's following message instead of the actual image: Current report item is not supported in this report format. Same problem occurs when including image with a fixed URL - even though the image is displayed and loaded in the Report Designer, it's not rendered in report generated from our application. Again, this happens only on Windows. The only way I managed to get the image into a rendered report was through embedding it into the report design file, which is not suitable as the image has to be dynamic.

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  • Large Scale VHDL modularization techniques

    - by oxinabox.ucc.asn.au
    I'm thinking about implimenting a 16 bit CPU in VHDL. A simplish CPU. ADD, MULS, NEG, BitShift, JUMP, Relitive Jump, BREQ, Relitive BREQ, i don't know somethign along these lines Probably all only working with 16bit operands. I might even cut it down and use only a single operand and a accumulator. With Some status regitsters, Carry, Zero, Neg (unless i use a Accumlator), I know how to design all the parts from logic gates, and plan to build them up from first priciples, So for my ALU I'll need to 'build' a ADDer, proably a Carry Look ahead, group adder, this adder it self is make up oa a couple of parts, wich are themselves made up of a couple of parts. Anyway, my problem is not the CPU design, or the VHDL (i know the language, more or less). It's how i should keep things organised. How should I use packages, How should I name my processes and port maps? (i've never seen the benifit of naming the port maps, or processes)

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  • How can I run .aggregate() on a field introduced using .extra(select={...}) in a Django Query?

    - by Jake
    I'm trying to get the count of the number of times a player played each week like this: player.game_objects.extra(select={'week': 'WEEK(`games_game`.`date`)'}).aggregate(count=Count('week')) But Django complains that FieldError: Cannot resolve keyword 'week' into field. Choices are: <lists model fields> I can do it in raw SQL like this SELECT WEEK(date) as week, COUNT(WEEK(date)) as count FROM games_game WHERE player_id = 3 GROUP BY week Is there a good way to do this without executing raw SQL in Django?

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  • Creating tooltips for each field in Sharepoint form.

    - by ephieste
    I want to create tool tips for each part in a form which employees have to fill in a share point web page. When users move the mouse cursor on each field (Title, description, department etc.) the related tip will be automatically became visible as a simple pop-up (tool tip) and summarize what they should write there. and when the mouse cursor is not on one of these fields there is no tool tip. How can I design such a system via share point designer? I am not able use any add ons. I can't upload any additional things to the server. I have to make page based design. I would be glad if you kindly help me.

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  • Sharepoint Blog Posts : Sort based on Published date

    - by Hojo
    I have a sharepoint intranet portal which has many blogs and they have customized design. We use default Data form webpart for displaying blog posts. By default the posts are sorted based on "created date". I have a new requirement from the client asking me to change the sorting criteria to "Published date". What is the easiest method to achieve this without using SharePoint Designer . Note: Creating a new view is not a solution as I will not be able to apply the customized design.

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  • Software to draw 3D geometry

    - by ilovekonoka
    Does anyone know any software that can draw 3D geometry like figures usually seen in computer graphics papers and articles(example: http://www.iquilezles.org/www/articles/sphereao/sphereao.htm)? I know it can be done in Inskcape or Illustrator but I'm not sure they're the only choices.

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  • RIA Services and Shared domainlogic??

    - by NPehrsson
    I'm kind of disappointed at Ria Services. I like to work in a domain driven design way, so for example if I'm working with an invoicing system I have an object invoice which will have all methods on it to for example calculate total price from its invoice rows. public decimal Amount { get {return Entries.Sum(x => x.Amount);} } I like to have methods to add a new row to validate in data. public void AddInvoiceRow(Article article, decimal quantity) This is functionality I need on both client and server side. Have I missed something big or is RIA Services not for me? (In the whole, I don't like Silverlight restrictions at all, I mean that we need get; set on every data field we want to transfer for example some fields are not public at all in domain driven design but the technique Silverlight offers forcing us to do bad coding.)

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  • Recommend a PHP framework for new PHP programmer

    - by webworm
    Hi All, I am fairly new to PHP but not programming in general. I was hoping I could get some suggestions on the best type of PHP framework to start with considering my basic experience with PHP. I have a .NET and ASP.NET background and I am familiar with the MVC design pattern. I would prefer to start with a framework that makes logical design easier but does not generate all the code for you. I have read some like the Zend framework for this. Opinions?

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  • JSF single select box with customizable look-and-feel

    - by Greg Charles
    I'm looking for a control that allows me to choose a single option from a list of choices via a dropdown box. The h:singleSelectMenu or h:singleSelectListBox worked well, but now I have a requirement to customize the glyph that triggers the dropdown. I've looked at the RichFaces components, but I don't see anything like a single select box.

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  • Sync Framework: SqlSyncProvider ItemConflicting vs ApplyChangeFailed

    - by Paul Smith
    I'm trying to use design a syncronisation application that syncs changes between different SQL Server databases. I came up with a design based around receiving the ItemConflicting event, storing the knowledge associated with the conflict, and resolving all conflicts off-line. However, it seems that I can only get the ApplyChangeFailed event to fire. Is there some reason why SqlSyncProvider does not use the ItemConflicting event? Am I just hooking up to the event wrongly? The reason I care is that the ItemConlficting event allows me to simply log the conflict and continue with the rest of the synchronisation in a way that I can't seem to achieve with the ApplychangeFailed event.

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  • How to create a web-based Email Client in .NET?

    - by Blankman
    I am creating a web based email client in .NET using a 3rd party component. I just want to make sure I have the right idea: I will first pull the emails in using POP I will then parse each individual message that I got from POP using the MIME component right? My choices for 3rd party are: Nsoftware, Quiksoft or Dart. I am looking at Nsoftware right now though.

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  • Propietary modules within GPL and BSD kernels

    - by Francisco Garcia
    Since the Linux kernel is GPL and not LGPL I suppose that it is illegal to link proprietary code to it. How does the industry circumvents this? I would expect that the GPL license will force any developer to release under GPL driver and/or kernel module. Maybe I am confused and implementing a new module is not really linking against the kernel code ??? How do companies deal with this? Maybe linking the other way around (from kernel to their binaries)? On the other hand there is the BSD kernel. Where you are free to link protected IP. Can you get a better design implementing your drivers within a BSD kernel? Is there any design restriction when implementing drivers for GPL kernels?

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  • Invert bitmap colors

    - by Alex Orlov
    I have the following problem. I have a charting program, and it's design is black, but the charts (that I get from the server as images) are light (it actually uses only 5 colors: red, green, white, black and gray). To fit with the design inversion does a good job, the only problem is that red and green are inverted also (green - pink, red - green). Is there a way to invert everything except those 2 colors, or a way to repaint those colors after inversion? And how costly are those operations (since I get the chart updates pretty often)? Thanks in advance :) UPDATE I tried replacing colors with setPixel method in a loop for(int x = 0 ;x < chart.getWidth();x++) { for(int y = 0;y < chart.getHeight();y++) { final int replacement = getColorReplacement(chart.getPixel(x, y)); if(replacement != 0) { chart.setPixel(x, y, replacement); } } } Unfortunetely, the method takes too long (~650ms), is there a faster way to do it, and will setPixels() method work faster?

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  • Your experience on using configuration & VCS tools

    - by smalldream
    I am doing my study's final year project and would like to do a little survey here. The topic is about configuration management and version control system for an industrial product (such as a piece of software, a furniture design, a car engine or even an aeroplane design etc...) 1.) What is you field of expertise (IT, engineering, manufactuing etc..) and what is the configuration management and version control system you use (previously or now) for your work? 2.) What is your opinion/comment (good, bad, what is it lack of or what can be improve etc...) about them? Much appreciated if you can include some real life examples for your opinion/comment. Of course you are welcome also if you simply wish to share your thought on the current configuration management and version control system in market. Thanks all in advance for your help.

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