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• How to write a datatable to excel work book at client side

  - by senthilkumar

  Hi Guys Currently i am doing one project in that we need to generate report from database. Since my server memory is too low im getting 'Out of Memory' Exception when im writing it at serverside and also when i write directly to a excel file using http header as excel file im not able to create multiple sheets since my database table is huge more than 65536 rows. I saw many solution using a third party tool but i cant use those into mine..If anyone already worked on this please give me some direction. Also i tried using javascript but for that i need to use datagrid at server side?? but in my project i m not allowed to use like this.

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• With Maven2, how would I specify a custom directory to which a dependency should be copied?

  - by Benny

  Basically, I have a multi-module project consisting of 5 different modules. One of the modules is kind of the parent module to the other 4, meaning the other 4 need to be built before the 5th, so you could say that each of the 4 modules is a dependency of the 5th. Thus, I've made dependency entries for each of the modules in the 5th module's pom.xml. However, when I build the project, I don't want those 4 dependencies copied to the "lib" directory of the 5th module. I'd like to specify the directory into which each of them should be placed explicitly. Is there any way to do this with Maven2? Thanks for your help, B.J.

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• win7 + vc7.1 + mfc = stackoverflow

  - by fogbit

  Hello! I've moved my vc7.1 project from WInXP to Win7. After rebuilding i got stackoverflow error in function _malloc_dbg when i start the program. "Unhandled exception at 0x0051bf0f in XXX.exe: 0xC00000FD: Stack overflow." Call stack: msvcr71d.dll!_malloc_dbg(unsigned int nSize=140, int nBlockUse=2, const char * szFileName=0x10267784, int nLine=163) msvcr71d.dll!_calloc_dbg(unsigned int nNum=1, unsigned int nSize=140, int nBlockUse=2, const char * szFileName=0x10267784, int nLine=163) msvcr71d.dll!_mtinit() msvcr71d.dll!_CRTDLL_INIT(void * hDllHandle=0x10200000, unsigned long dwReason=1, void * lpreserved=0x0018fd24) I tried to set up different stacksizes in project options (from 10 to 100 mbytes), in all cases i got this error. How can i fix this?

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• Package <blah> does not exist error - NetBeans 6.8 & Windows 7

  - by BenMc

  I'm using NetBeans 6.8 on Windows 7. I upgraded from WinXP and NetBeans 6.7. Now my existing java web app project is no longer able to import/find the packages I've developed - I receive a 'Package ,blah. does not exist' and yet the packages do exist, worked fine in NetBeans 6.7 and the project still compiles and runs OK. I've tried changing the Java Platform/JDK from 1.6.0_10 back to JDK 1.5.0_22 but I still receive errors package does not exist. All other 'standard' libraries and packages are able to be imported and used OK ... eg Struts, Hibernate

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• Visual Studio 2010 UML Tools. How do they integrate with the code? For small/mid size products is t

  - by punkouter

  I just got a book that goes over all the VS2010 tools. Most I have never used like load testing/web testing, UML Tools, Layer Diagrams.... Has anyone had any real world experience with using these VS2010 tools like the UML diagramming? I am wondering if it is something that would really be useful starting a new project or is it just busy work that no one ever uses once they are made? How are the UML diagrams integrated with the rest of development in VS2010 ? The last project we just made some really basic Visio diagrams but maybe this is better. Alot of VS2010 Ultimate tools are over kill (layer diagram) for small/mid level projects it seems. UML seems to be one of those things I hear about past 10 years but never seem to use.

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• How to config a default global EJB transaction attribute in JBoss Server?

  - by seven

  my project need to migrate from oc4j to jboss. But it seems that default EJB transaction attribute is different between them. For OC4J: If you do not specify any transaction attributes for an EJB method then OC4J uses default transaction attributes. OC4J by default uses Required for CMP 2.0, NotSupported for MDBs and Supports for all other types of EJBs. (refer to official doc) For JBoss: default for all types EJB is Required. (Maybe , refer to un-official site) To migrate my project within less effort, how to config a default global EJB transaction attribute, e.g. Supports, in JBoss Server?

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• How to use Socket in AC3 or other solution for using embedded flash without cross domain policy?

  - by monkey_boys

  How to use Socket in AC3 or other solution for using embedded flash without cross domain policy? I would like to create a project that uses HTTP to post to some website's form by using embedded flash in a webpage. When I finished the project, I tried to embed on the local computer and that work fine but when I uploaded to a web server in the some domain and requested to some different domain it stopped working. I know that's the security of ac3 but I would like to use embedded flash. Does anybody have any idea about this?

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• C++ app fails to initialize (0xc0000005), when using C# dll

  - by Simon

  Hi, I have a C# DLL, which I call from a native C++ programm. As I use Qt and /clr compiler option did not work I followed this tutorial for a bridge. So I have a VS2008 project (compiled with /clr), which links to the C# DLL and contains the bridge class and the native class, which exposes interfaces to my C++ programm. Another VS2008 project (no .net stuff) calls the native class (statically linked). I had some issues, but now the programm at least compiles. However, if I try to run this programm, I get a (0xc0000005) error on initialization, when I try to use the native class. As this happens on initialization, I don't even see, which DLLs fail to initialize. All DLLs should be in the right place. Any hints? Thank you.

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• Java equivalent for database schema changes like South for Django?

  - by gerdemb

  I've been working on a Django project using South to track and manage database schema changes. I'm starting a new Java project using Google Web Toolkit and wonder if there is an equivalent tool. For those who don't know, here's what South does: Automatically recognize changes to my Python database models (add/delete columns, tables etc.) Automatically create SQL statements to apply those changes to my database Track the applied schema migrations and apply them in order Allow data migrations using Python code. For example, splitting a name field into a first-name and last-name field using the Python split() function I haven't decided on my Java ORM yet, but Hibernate looks like the most popular. For me, the ability to easily make database schema changes will be an important factor.

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• Arranging the colors on the board in the most pleasing form

  - by Shashwat

  Given a rectangular board of height H and width W. N colors are given. ith color occupy Pi percentage of area on the board. Sum of Pis is 1. What can be algorithm to layout the colors on the board in the form of rectangles in the most pleasing form. By pleasing mean the aspect ratios (Width/Height) of rectangle of each color should be as close to 1 as possible. In an ideal case the board would be filled only with squares.

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• .Net/C# Build Tool - Is NAnt a preferred tool?

  - by Olle

  I'm about to set up an automatic build of a .net/C# project. I've searched the net quite a bit, and there are a lot of references to this tool called 'NAnt'. My questions are: Is NAnt considered a good tool for this, is it still used? Are there other toos that are the de facto standard for such a task? From the information on the projects's sourceforge page, it doesn't seem to have been much development going on the lates years. The same applies to the NAntContrib project. Thanks!

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• Hibernate HQL to basic SQL

  - by CC

  Hello everybody, I working on a project with Hibernate and we need to replace Hibernate with some "home made persistence" stuff. The idea is that the project is big enough, and we have many HQL queries. The problem is with the queries like select a,b from table1, table2 on t1.table1=t2.table2 Basically all joins are not supported by our "hand made persistence" stuff. What I would need, is to be able to do some sort of transcoder, which will take as a input the HQL queries and output some SQL, but the basic SQL without joins, something like (a dumb example) select a from table1 where t1 IN ( select b from table2) I hope you get the idea. My persistence layer does not supports joins. Does anybody has any idea about something like that? Some framework, or something? Thanks alot everybody. C.C.

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• Performance testing on .xap files...

  - by Radhi

  Hi All, I want to know that can i use profiler to do performance testing of .xap files. if you have any articles for the same topic please provide it to me. and if there are any other tools available to do this please tell me. in my project we have to check that when we logged into the Silverlight 4 .0 application. the screen takes 5 seconds to load. so i have to check which method is taking time to do this. in our project there are services which calls other services too,, and we have used CAL. so need to identify the bottleneck... please help...

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• Treating a fat webservice in .net 3.5 c#

  - by Chris M

  I'm dealing with an obese 3rd party webservice that returns about 3mb of data for a simple search results, about 50% of the data in that response is junk. Would it make sense then to remap this data to my own result object and ditch the response so I'm storing 1-2 mb in memory for filtering and sorting rather than using the web-responses own object and using 2-4 or am I missing a point? So far I've been accessing the webservice from a separate project and using a new class to provide the interaction and to handle the persistence so my project looks like this |- Web (mvc2 proj) |- DAL (database/storage fluent-nhibernate) |- SVCGateway (interaction layer + webservice related models) |- Services -------------- |- Tests |- Specs I'm trying to make the application behave fast and I also need to store the result set temporarily in case a customer goes to view the product and wants to go back to the results. (Service returns only 500 of possible 14K results). So basically I'm looking for confirmation that I'm doing the right thing in pushing the results into my own objects or if I'm breaking some rule or even if there's a better way of handling it. Thanks

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• How to integrate ANTLR (2.7) in Visual Studio 2005 (C++) build?

  - by Burkhard

  I have a project containing files generated from a .g file (antlr 2.7.x). The guy who wrote the whole thing has left me with it. Until now, I did not need to modify the grammar and all was fine. But now, I cannot continue without modifying the grammar (i.e. the .g-file). I have the source code of the used antlr and the visual studio 2005 project. Unfortunately, the lexer and parser files are not generated prior to the build (in fact they are never generated) and that leads to my question: how do I generate these files whenever the grammar file is modified? Or in other words, how do I integrate antlr into visual studio?

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• Integrate ClickOnce update in a setup

  - by Erick

  As recent decision in my team we decided to deploy a software we develop for some time now in ClickOnce. Previously it was deployed with a merge module in a setup project. We had in mind to actually deploy the ClickOnce setup/updater in the web server setup. The problem here would not exactly to integrate it but to make sure to limit the human work to integrate it. Normally I guess it would be necessary to "add - file" and select the folder containing the setup.exe + publish.htm + application files + .application, but I fear that for each time we publish a new version to the hard drive we have to update the setup project as well. Would someone have some insight to help that ? (especially to not have to add the program_[version] folder inside application files that is created each time a new publish is done).

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• Using Enums that are in an external dll C#

  - by user1443233

  I have a project I am working that will involve creating one DLL that will be used across multiple other sites. Inside this DLL we need to reference about 10 Enums. The values of these Enums however will be different for each site the DLL is used on. For example: MyBase.dll may have a class MyClass with an attribute of type MyEnum. MyBase.dll is then referenced in MySite. MyStie will also reference MyEnums.dll which will contain the values for the MyEnum type. Is there any way to accomplish this? While building MyBase.dll, I know what enums will exist in side of MyEnums.dll. The problem is I cannot build MyBase.dll without specifically referenceing the MyEnums.dll, which is not created until the MyBase.dll is used in a specific project. I hope that makes sense and hope I can find an answer here. Thanks.

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• Working with git from 2 laptops with no bare repo

  - by matiit

  I've started project in my first laptop. git init, and start working. Tomorrow i'm going to vacations. I want to take with me my smaller laptop. And work with project from time to time. I cloned repository via ssh from bigger laptop (git clone ssh://adress) And when i will back, what is the best way to push changes from smaller laptop to the bigger one? There is no bare repo in bigger laptop. And i want to work with that repo on the bigger laptop later, so i have to do this clear.

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• MSDeploy packaging miss some dependencies

  - by stacker

  MSDeploy misses some dependencies when packaging the project. How can I fix this?

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• Access to a single pixel in C#

  - by Malki

  Hello, I'm working on a school project right now. It's meant to be a 3D editing software, (like a very minimized version of Maya). I have to write it in C#, using the 'Windows Application Project'. I intend to implement all the 3D stuff myself, from projections to shading. My question is, how can I get direct access to a single pixel in the C# windows application? I know I'm going to have a main view port in the window. But I haven't decided yet how it will be made. Is there a built in object that I can use, that will let me define the boundaries of the view port, and then paint each pixel individually? (I'm just shooting in the dark here, I don't know much about C#. I mostly program in C) Thanks, Malki.

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• Can't compile grails Tomcat plugin

  - by Jeff Beck

  I'm using Netbeans to build a Grails app, while I have used this fine before on this new computer I can not get even the basic project to compile and run. I am getting errors around compiling the Tomcat plugin. If I uninstall the plugin it and use Jetty instead it will compile but the project isn't set up for Jetty and is missing files. Below is the error I'm getting I'm thinking it is some issue with my classpath but I just don't know where to start any help would be much appreciated. java.lang.NoClassDefFoundError: org/apache/catalina/startup/Tomcat$ExistingStandardWrapper

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• Strategy for image sizes

  - by MotiveKyle

  I run a site that has a lot of writers that generate quite a few articles a day. I require them to provide two image sizes (one for the big headline image and one as the thumbnail). I've been wanting to change up the site layout a bit, but I am becoming limited by the image sizes for the posts. I have considered just cropping images, but they still need to look nice, and cropping doesn't always generate what I'd want. I'd prefer to just scale down by percentage (as I do with thumbnails). Should I just make the writers provide more images? How do other sites handle this?

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• Zend Framework on a Shared Host

  - by manyxcxi

  I am trying to push my first ZF project to my shared hosting provider. I have done a lot of testing on my home server and everything is working great. My issue is that I do not know how to set up my .htaccess files on the shared hosting provider to make it work correctly. The ZF documentation says to configure my Apache config VirtualServer DocumentRoot to /whatever/path/project-folder/public, but I don't have that kind of access. How do I get around this? I have seen http://stackoverflow.com/questions/1115547/zend-framework-on-shared-hosting but none of those solutions have worked for me. My application path looks like this / - .htaccess - /application ... - /public -- .htaccess -- index.php -- ... ... My .htaccess files look like: /.htaccess RewriteEngine On RewriteRule !\.(js|gif|jpg|png|css|txt)$ public/index.php [L] RewriteCond %{REQUEST_URI} !^/public/ RewriteRule ^(.*)$ public/$1 [L] /public/.htaccess RewriteEngine On RewriteCond %{REQUEST_FILENAME} -s [OR] RewriteCond %{REQUEST_FILENAME} -l [OR] RewriteCond %{REQUEST_FILENAME} -d RewriteRule ^.*$ - [NC,L] RewriteRule ^.*$ index.php [NC,L]

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• how to fix error with ati driver ubuntu 11.10 X Error of failed request?

  - by user34785

  i install driver by this link : http://cisight.com/install-amd-radeon-hd-6470m-and-solve-overheat-on-ubuntu-1110-oneiric/ but will time i run fglrxinfo , display it : X Error of failed request: BadRequest (invalid request code or no such operation) Major opcode of failed request: 136 (GLX) Minor opcode of failed request: 19 (X_GLXQueryServerString) Serial number of failed request: 12 Current serial number in output stream: 12 my xorg is : Section "ServerLayout" Identifier "aticonfig Layout" Screen 0 "aticonfig-Screen[0]-0" 0 0 EndSection Section "Module" Load "fglrx" EndSection Section "Monitor" Identifier "aticonfig-Monitor[0]-0" Option "VendorName" "ATI Proprietary Driver" Option "ModelName" "Generic Autodetecting Monitor" Option "DPMS" "true" EndSection Section "Screen" Identifier "aticonfig-Screen[0]-0" Device "aticonfig-Device[0]-0" Monitor "aticonfig-Monitor[0]-0" DefaultDepth 24 SubSection "Display" Viewport 0 0 Depth 24 EndSubSection EndSection how may i solve it? thanks

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• Isometric tile range aquisition

  - by Steve

  I'm putting together an isometric engine and need to cull the tiles that aren't in the camera's current view. My tile coordinates go from left to right on the X and top to bottom on the Y with (0,0) being the top left corner. If I have access to say the top left, top right, bot left and bot right corner coordinates, is there a formula or something I could use to determine which tiles fall in range? I've linked a picture of the layout of the tiles for reference. If there isn't one, or there's a better way to determine which tiles are on screen and which to cull, I'm all ears and am grateful for any ideas. I've got a few other methods I may be able to try such as checking the position of the tile against a rectangle. I pretty much just need something quick. Thanks for giving this a read =)

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