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• Unable to allocate new pages in table space "XXXX" ... but it's 250 megs and I'm only running DDL

  - by Sylvia

  Hello, I'm a DB2 newbie, so I'd appreciate even any pointers on where to start looking. We have great DB2 admins but they're swamped with other issues now, so I'm trying to do some troubleshooting on a development database. My situation is that I have a tablespace that's giving me this error message Unable to allocate new pages in table space "[MyTableSpace]". However, all I'm doing is running multiple (hundreds) of DDL statements, mainly creating tables but also indexes and pk scripts. So, considering that the tablespace has about 250 mg, I shouldn't be running out of space, right? Here's another thing - it appears that after I leave my script for a while, something "resets" and works for a while, then I begin to have the tablespace issue again. thanks, Sylvia

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• Outline view from UITableView

  - by Raj

  Hi guys, I need to implement a 1 level outline view out of UITableView. The cells which have children in them will have a '+' symbol and if user taps on it, the cells below it should slide down and the children cells of current selected row should appear. The sliding of cells should be visible and if the user taps '-' button of the already expanded row, the children cells should slide back into the parent. I have tried googling but did not find any pointers. How should I start, should I subclass UITableView? Or should I implement my own view sub-class and handle all the stuff there? I somehow feel it would be easier to sub-class UITableView because it will handle all the row selection for us, but I cannot figure out how to do it. Thanks and Regards, Raj

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• How to recover gracefully from a C# udp socket exception

  - by Gearoid Murphy

  Context: I'm porting a linux perl app to C#, the server listens on a udp port and maintains multiple concurrent dialogs with remote clients via a single udp socket. During testing, I send out high volumes of packets to the udp server, randomly restarting the clients to observe the server registering the new connections. The problem is this: when I kill a udp client, there may still be data on the server destined for that client. When the server tries to send this data, it gets an icmp "no service available" message back and consequently an exception occurs on the socket. I cannot reuse this socket, when I try to associate a C# async handler with the socket, it complains about the exception, so I have to close and reopen the udp socket on the server port. Is this the only way around this problem?, surely there's some way of "fixing" the udp socket, as technically, UDP sockets shouldn't be aware of the status of a remote socket? Any help or pointers would be much appreciated. Thanks.

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• Stuffed Animal In OpenGL

  - by anon

  I have seen metal/plastic/water/fire/... shaders for OpenGL. However, it it possible to render something fur-like, say a stuffed animal / teddy bear in OpenGL (I know this is possible with renderman / ray tracers, but I want to do it in OpenGl). If you have pointers to GLSl shaders for this, please point me in the right direction. Thanks! [I'm guessing the answer is no since fur requires more than just shaders -- it almost requires creating geometry on the fly -- but I'd love to be proven wrong)]

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• How do I force Eclipse to rebuild if files in another project change (any change)?

  - by James Moore

  I've got an Eclipse (Galileo) project (called ProguardBuilder) that runs Proguard over a set of class files in other projects and produces a jar file. I'd like to have the ProguardBuilder project get rebuilt any time any class file in the other projects changes. AutoBuild doesn't do that; presumably it's smart enough to recognize and ignore any changes that don't affect anything externally visible. My problem is that I don't care whether or not the change is visible, since I need to completely rebuild ProguardBuilder any time the class files it depends on change at all. How do I tell Eclipse to do this sort of rebuild?

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• Change Check Out Folder for checked out files in SourceSafe

  - by Town

  I had to rebuild my machine and went from XP to Windows 7. I've now got a bit of an issue: I had files checked out in SourceSafe previously, which I still have copies of in the local folder on my new install. However, SourceSafe still has them checked out to the old XP folder (c:\documents and settings etc) whereas the files now reside in c:\Users. Pending Checkins in Visual Studio now thinks I have nothing checked out, and SourceSafe declares that the files are checked out to me under the c:\documents and settings\ path. Is there any way to tell SourceSafe to simply "look over there" for the files instead? It seems to work with individually undoing and redoing checkout on the files, but that's a lengthy process and one I'd like to avoid if possible. If I simply checkout the files individually then it lists them as checked out to me twice, one for each of the locations. Any pointers would be very much appreciated!

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• speed up a sql query to mysql?

  - by fayer

  in my mysql database i've got the geonames database, containing all countries, states and cities. i am using this to create a cascading menu so the user could select where he is from: country - state - county - city. but the main problem is that the query will search through all the 7 millions rows in that table each time i want to get the list of children rows, and that is taking a while 10-15 seconds. i wonder how i could speed this up: caching? table views? reorganizing table structure somehow? and most important, how do i do these things? are there good tutorials you could link to me? i appreciate all help and feedback discussing smart ways of handling this issue!

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• Interview questions for junior C and C++ developer position

  - by Ondrej Slinták

  What interview questions should people expect as a junior C and C++ developer? Code questions or more of theory? Solutions in pseudo-code or in C code? Maybe I'm misinterpreting the word "junior", but I have no idea what would anyone ask me if I have no C work experiences. I'm bit afraid of tricky questions with pointers, so I'd like to be sure what should I look up before actually going there. I'm a junior PHP developer with 1 year of experiences, if it helps the question. Hope it isn't duplicate as I'm asking particularly about junior developer job.

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• How Do I Detect A WordPress Admin Panel in my Plugin?

  - by Volomike

  I've got two events in my plugin. One is run for the front-end. The other is run for the admin panel. Both call the same function in one particular situation, and this echoes stuff to the screen. How do I make it such that the function is smart, calls something in WordPress, and detects whether it's being loaded in the front-end versus the admin panel? I don't want it to echo stuff to the screen on the front-end, but do want it to do so on the admin panel. Right now, it's echoing on both, which is not what I want. Background For the front end (the side of the site that the visitor sees), I'm intercepting the 'wp' event and checking for: ( is_single() || is_page() || is_home() || is_archive() || is_category() || is_tag()) For the admin panel, I'm intercepting the 'admin_menu' event. I tried intercepting the is_*() stuff above, but it seems to somehow answer TRUE or something, not giving me a difference between front-end and admin panel.

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• Running directx samples on a Windows Mobile 6.1 device

  - by Sil

  I tried to run the directx samples from ..\Windows Mobile 6 SDK\Samples\PocketPC\CPP\win32\directx\d3dm\tutorials on a Samsung Omnia and on the emulator and it doesn't work because of a deployment error. I am using Microsoft Visual Studio 2008 and have installed Windows Mobile SDK Standard and Professional refresh. The device is correctly plugged in and set up for active sync (I know this because other samples work, also a creating Win32 smart device and running it works). When I try to run the application it compiles without errors but the message: " There were deployment errors, Continue? Yes/No" appears If I manually copy the application from the debug folder to the device and run it from there, it works. The same deployment error message appears if I try it on an emulator. Other applications are deploying successfully. Is there any way to make the deployment work? Maybe there is an obscure option I need to set...

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• XIB-instantiated Object's IBOutlet is nil

  - by jxpx777

  I have a XIB set up like in this screenshot: File's owner is my main window controller. The XIB is also in charge of creating an object that serves as the delegate for the MGScopeBar view. As you can see in the screenshot, the scope bar delegate has an IBOutlet for the search field so that it can return it as an extra view as part of the delegate process. The problem I'm having is that when the delegate object is queried for the accessory view, the IBOutlet NSSearchField is nil. I'm fairly certain this has something to do with the order that objects are created, IBOutlets wired, etc, but I'm just a little lost as to where in the process I can expect the search field to exist so that the scope bar delegate can reference it properly. Thanks in advance for any pointers.

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• VERBOSE=yes makefile option on gnu make under cygwin not working for me.

  - by goldenmean

  Hi, I use gnumake version GNU Make 3.81 under cygwin on windows. Cygwin version is CYGWIN_NT-6.1-WOW64 1.7.7(0.230/5/3) 2010-08-31 09:58 i686 Cygwin In my makefile used to build the source, when i say VERBOSE=yes, i still do not see detailed commands and options used to compile,link the code. So basically VEROBSE=yes behaviour seems to be same as VERBOSE=no. Pls. note that the compiler (sparc-elf-gcc) which the make command invokes, is configured with --verbose option. I verified that by checking sparc-elf-gcc -v . Is this switch removed/deprecated for this particular gnumake/cygwin versions or any pointers on how I can see details of the make/compile/link commands. thank you. -AD.

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• Inter Widget Communication for iGoogle like portals

  - by bakore

  I was looking for a platform where widgets developed using various technologies like Java can communicate with each other. In other words When I add widgets to an interface I need them to talk to each other. For example A Click event in one widget should trigger an event in some other widget. I have been looking into the web for solutions and ways to do it, but couldnt find anything concrete. Any pointers or information on this would be great. Something like this http://blogs.sun.com/pdblog/entry/inter_widget_communication_in_cross Google also had a gadget to gadget communication API which was deprecated last year.

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• What can I access in Androids Native libraries? And How?

  - by Donal Rafferty

  I am completely new to the NDK. I have done a couple of the tutorials including the hello from jni one and another one that calculates the sum of two numbers. They involved using cygwin and the ndk to create the library so file and I have a bit of a grasp on how to insert my own libraries into the libraries layer of Android. I have now been asked to access the native libraries on Android and see what I can use them for. My question is can I do this? The STABLE-APIS.txt document is a bit vague and mentions the following as Stable C++ API's in Android 1.5 cstddef new utility stl_pair.h Does that mean I can access them? If so then how do I go about it? I dont think that following the tutorials I have already done would be any help? Any pointers on how to do this or links to tutorials etc.. would be greatly appreciated

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• How to Convert multiple sets of Data going from left to right to top to bottom the Pythonic way?

  - by ThinkCode

  Following is a sample of sets of contacts for each company going from left to right. ID Company ContactFirst1 ContactLast1 Title1 Email1 ContactFirst2 ContactLast2 Title2 Email2 1 ABC John Doe CEO [email protected] Steve Bern CIO [email protected] How do I get them to go top to bottom as shown? ID Company Contactfirst ContactLast Title Email 1 ABC John Doe CEO [email protected] 1 ABC Steve Bern CIO [email protected] I am hoping there is a Pythonic way of solving this task. Any pointers or samples are really appreciated! p.s : In the actual file, there are 10 sets of contacts going from left to right and there are few thousand such records. It is a CSV file and I loaded into MySQL to manipulate the data.

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• how to display a dialog if user can't download file

  - by tom smith

  hi. dealing with php/html/javascript. i'm trying to figure out a good/best approach to allowing a user to download a file. i can have the traditional href link, that interfaces with the back end php app to download the file. however, i want to have the app display some sort of dialog/alert if the user isn't able (basedon acl/permissions) to download the file... does this have to ba an ajax thing, as i don't want to do a page refresh... thoughts/comments/pointers to code samples are appreciated. thanks. -tom

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• How do I close a database connection in a WCF service?

  - by Dan

  I have been unable to find any documentation on properly closing database connections in WCF service operations. I have a service that returns a streamed response through the following method. public virtual Message GetData() { string sqlString = BuildSqlString(); SqlConnection conn = Utils.GetConnection(); SqlCommand cmd = new SqlCommand(sqlString, conn); XmlReader xr = cmd.ExecuteXmlReader(); Message msg = Message.CreateMessage( OperationContext.Current.IncomingMessageVersion, GetResponseAction(), xr); return msg; } I cannot close the connection within the method or the streaming of the response message will be terminated. Since control returns to the WCF system after the completion of that method, I don't know how I can close that connection afterwards. Any suggestions or pointers to additional documentation would be appreciated. Dan

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• Rapidly prototype GUI's...

  - by Donovan

  G'Day, I am looking to prototype a windows based GUI. Ideally I would like: Be able create new GUI's and change existing ones quickly The resulting "thing" to be self contained Have the ability to include limited data where necessary ie. When showing a grid including the headers and perhaps a few rows of data for the grid. Allow clickable hotspots that either allow a new screen to be shown or perhaps an explanation hint. I have been using Visio 2003 for this kind of thing and then producing a PDF. However it has some disadvantages: Including data for grids is not possible You cannot include hotspots to allow changing of tabs within the workbook. eg Click on a button and it opens a different tab. If possible a free / open source application would be preferable but a low priced commercial application would also be good. All pointers and suggestions greatly appreciated.Rapid

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• Dice face value recognition

  - by Jakob Gade

  I’m trying to build a simple application that will recognize the values of two 6-sided dice. I’m looking for some general pointers, or maybe even an open source project. The two dice will be black and white, with white and black pips respectively. Their distance to the camera will always be the same, but their position on the playing surface will be random. (not the best example, the surface will be a different color and the shadows will be gone) I have no prior experience with developing this kind of recognition software, but I would assume the trick is to first isolate the faces by searching for the square profile with a dominating white or black color (the rest of the image, i.e. the table/playing surface, will in distinctly different colors), and then isolate the pips for the count. Shadows will be eliminated by top down lighting. I’m hoping the described scenario is so simple (read: common) it may even be used as an “introductory exercise” for developers working on OCR technologies or similar computer vision challenges.

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• How can I tell datacontext I've updated a record via StoreProcedure

  - by Ldsenow

  Hi Geeks, I've a stroe procedure to update a record and after running it I use LinqToSql to delete the record. I know it is weird but I just want to test how smart the datacontext it is and understand how it works. Since the datacontext caches the results so any change via it can be recorded but now I use a store procedure to update something, it would not know. So when I try to delete it, an exception comes out "Row not found or changed". How I can tell the datacontext what I have updated? If I can do so the problem will sovle.

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• How to access SharePoint files and folders from outside SharePoint?

  - by Ken Paul

  I need to programatically interface with SharePoint folders, files and lists from outside SharePoint. Most tutorials focus on working within SharePoint itself, or at least on the same server where SharePoint is installed. I need to automate some tasks from completely different servers -- tasks that require reading SharePoint lists, browsing folders, checking files out and in, reading files stored in SharePoint libraries, etc. It used to be easy using UNC folder and file paths. Now many of our SharePoint sites don't allow UNC access (probably for good reasons), but my needs are the same. What languages / libraries / interfaces will allow this? I'd like to be able to do this from server-side .NET code and from PowerShell scripts (not on the SharePoint server). Thanks for any pointers.

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• Configuration Files: how to read them into models?

  - by stacker

  I have a lot of configuration files in this format: <?xml version="1.0" encoding="utf-8"?> <XConfiguration> <XFile Name="file name 1" /> <XFile Name="name2" /> <XFile Name="name3" /> <XFile Name="name4" /> </XConfiguration> I want to use ConfigurationRepository.Get to get this object populated: public class XConfiguration { public XFile[] Files { get; set; } } I wonder what is the best way to do that. LinqToXml? I don't think ConfigurationManager is a smart option for this.

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• How do I use Python's itertools.groupby()?

  - by James Sulak

  I haven't been able to find an understandable explanation of how to actually use Python's itertools.groupby() function. What I'm trying to do is this: take a list - in this case, the children of an objectified lxml element - divide it into groups based on some criteria, and then later iterate over each of these groups separately. I've reviewed the documentation (http://docs.python.org/lib/itertools-functions.html), and the examples, (http://docs.python.org/lib/itertools-example.html), but I've had trouble trying to apply them beyond a simple list of numbers. So, how do I use of itertools.groupby()? Is there another technique I should be using? Pointers to good "prerequisite" reading would also be appreciated.

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• struct method linking

  - by James

  I'm updating some old code that has several POD structs that were getting zero'd out by memset (don't blame me...I didn't write this part). Part of the update changed some of them to classes that use private internal pointers that are now getting wiped out by the memset. So I added a [non-virtual] reset() method to the various structs and refactored the code to call that instead. One particular struct developed an "undefined reference to `blah::reset()'" error. Changing it from a struct to a class fixed the error. Calling nm on the .o file h, the mangled function names for that method look the same (whether it's a class or a struct). I'm using g++ 4.4.1, on Ubuntu. I hate the thought that this might be a compiler/linker bug, but I'm not sure what else it could be. Am I missing some fundamental difference between structs and classes? I thought the only meaningful ones were the public/private defaults and the way everyone thinks about them.

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• How do I compile boost using __cdecl calling convention?

  - by Sorin Sbarnea

  I have a project compiled using __cdecl calling convention (msvc2010) and I compiled boost using the same compiler using the default settings. The project linked with boost but I at runtime I got an assert message like this: File: ...\boost\boost\program_options\detail\parsers.hpp Line: 79 Run-Time Check Failure #0 - The value of ESP was not properly saved across a function call. This is usually a result of calling a function declared with one calling convention with a function pointer declared with a different calling convention. There are the following questions: what calling convention does boost build with by default on Windows (msvc2010) how to I compile boost with __cdecl calling convention why boost wasn't able to prevent linking with code with different calling conventions? I understood that boost has really smart library auto-inclusion code.

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