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• iPhone Core Data: request for member 'tableView' in something not a structure or union

  - by Nic Hubbard

  I am trying to use CoreData to populate a UITableView. I have been using the developer "Locations" project, and I think I have everything correct. But, now I am getting the following error when I build: request for member 'tableView' in something not a structure or union Why would it be confused about tableView? I am using it many times in…

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• Any 'pretty' data visualization libraries for Python?

  - by int3

  There are plenty of 'pretty-printing' visualization libraries for Javascript. E.g. those listed here. Googling for 'python visualization libraries' only turns up stuff like VTK and mayavi, which are primarily more for no-nonsense scientific use. So, do you know of any Python libraries similar to those Javascript ones in the above link? I…

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• Data validation in excel cell using SpreadSheetGear.

  - by Avinash

  Hey How to validate integer and float in excel using spreadsheet gear. Thanks in Advance Avinash

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• Saving UIImagePickerController images to Core Data without crashing

  - by Gordon Fontenot

  I have been trying to minimize my memory footprint with UIImagePickerController, but I'm starting to think that the memory problems I am having are resulting from poor memory management, instead of a particular way to handle the UIImagePickerController object. My workflow is this: The "Edit Image" button is clicked, which presents a…

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• Accommodating hierarchical data in SQL Server 2005 database design

  - by Remnant

  Context I am fairly new to database design (=know the basics) and am grappling with how best to design my database for a project I am currently working on. In short, my database will keep a log of which employees have attended certain health and safety courses throughout the year. There are multiple types of course e.g. moving…

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• Objective C, Core Data issue

  - by Jaime Rae

  I'm following a tutorial in "More iPhone 3 Development. In the code, they have a line: NSManagedObjectContext *managedObjectContext = appDelegate.managedObjectContext; I get an error: "accessing unknown 'managedObjectContext' getter method" on that line. I've downloaded his sample code and his program runs fine with that line…

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• Optimize mysql table ?

  - by fabien-barbier

  Here is my actual table schema (I'm using Mysql) : Table experiment : code(int) sample_1_id sample_2_id ... until ... sample_12_id rna_1_id rna_2_id ... until ... rna_12_id experiment_start How can I optimize both part : sample_n_id and rna_n_id (all are bigint(20) and allow null=true) ? About values : we can have : ex :…

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• create graph using adjacency list

  - by sum1needhelp

  #include<iostream> using namespace std; class TCSGraph{ public: void addVertex(int vertex); void display(); TCSGraph(){ head = NULL; } ~TCSGraph(); private: struct ListNode { string name; struct ListNode *next; …

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• Possible Data Execution Prevention problem in Windows 7

  - by Joel in Gö

  I have a serious problem with my .Net program. It calls a native dll, and then crashes instantly because it can't find a native method. This is behaviour we have seen before, whereby the C# compiler, in its infinite wisdom, sets the flag that the program is DEP compatible, even if it calls a native dll which patently is not.…

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• fill data in dropdown box as per previous dropdown box data selected in aspnet mvc 1

  - by FosterZ

  hi, i'm buildin' an employee registration form in aspnet mvc, i have fields like "School" list in 1 dropdown box and "Department" list another, problem is i want to show Department list on change of School list, i have done followin' code: public ActionResult EmployeeCreate() { var getSchool =…

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• WCF DataContracts and underlying data structures

  - by Xerx

  I am wondering what makes sense in relation to what objects to expose through a WCF service - should I add WCF Serialization specifications to my business entities or should I implement a converter that maps my business entities to the DataContracts that I want to expose through my WCF service? …

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• Is there any USB2.0 data transfer chunk size limit?

  - by goldenmean

  With one read() or write() at a time, can we increase the bulk data size over USB interface? For example, I want to transfer chunk of 1024 (1K) bytes data and if the device has limitations of only 64bytes, is there any way I can increase the packet size for read() and write() system call over…

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• Core Data - NSPredicate to filter to-many relationship

  - by Macatomy

  I have 2 entities, Task and List. Each task has a to-one relationship to a List object called "list", and there is an inverse relationship with List, which has a to-many relationship with Task called "tasks". I'm trying to use a fetch request with an NSPredicate to get all the Task objects…

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• First Letter Section Headers with Core Data

  - by Cory Imdieke

  I'm trying to create a list of people sorted in a tableView of sections with the first letter as the title for each section - a la Address Book. I've got it all working, though there is a bit of an issue with the sort order. Here is the way I'm doing it now: NSFetchRequest *request =…

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• Do data sources travel with a particular mail merge document?

  - by Andrew

  Do data sources that you set up (particularly to SQL Server) travel with a mail merge document? In other words, if I set up data sources in a mail merge document on my machine and then save and send that document to a co-worker and she opens it on her machine, will the data sources…

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• Problem with Core Data - EXC_BAD_ACCESS

  - by BarrettJ

  I'm using the following code and I'm getting an EXC_BAD_ACCESS when trying to get the count of objects - anyone have any idea why? Oddly enough, the error only happens if the count should be one or greater, if there are no objects it seems to work fine (it outputs null). …

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• Adding a Image Service layer to an ArcMap project with ArcObjects

  - by Jorge lagos

  I would like to add an ArcGIS Image Service programmaticaly using ArcObjects. My Image Service specs are below. Data Type: ArcGIS Image Service Service Name: Aerial Imagery 2008 AIS Service URL: ImageService://gisimage/2008_DOQQ Data Representation Type: RGB Thanks in…

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• Enterprise Architect Vs IBM InfoSphere Data Architect

  - by vrajaraman

  We are proimarily going to model databases (mostly sql,db2) for our SOA intiative applications organisation wide. Let me know the highlights between choosing either of this tool and the recommendations out of your expereinces

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• Core Data ANY BETWEEN predicate

  - by Mike Weller

  I'm trying to create an NSPredicate to find 'projects' that contain 'sessions' within a certain date range. I tried this at first: [NSPredicate predicateWithFormat:@"ANY sessions.date BETWEEN {$STARTDATE, $ENDDATE}"]; But I get an exception: *** Terminating app due…

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• Possible Data Execution Prevention (DEP) problem in Windows 7

  - by Joel in Gö

  I have a serious problem with my .Net program. It calls a native dll, and then crashes instantly because it can't find a native method. This is behaviour we have seen before, whereby the C# compiler, in its infinite wisdom, sets the flag that the program is DEP…

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• Using non primitive types in ServiceOperation for WCF Data Service (3.5SP1)

  - by Nix

  Is there any way at all to create a "mock" entity type for use in a WCF Service Operation? We have some queries we do that we need to optimize by exposing as a ServiceOperation. The problem is in order to do so we would result in a very long list of…

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• Core Data Relationship problem

  - by awattar

  I have a very simple model with two objects: Name and Category. One Name can be in many Categories (it's one way relationship). I'm trying to create 8 Categories every with 8 Names. Example code: NSMutableArray *localArray = [NSMutableArray…

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• ASP.net displaying data from SQL data source

  - by c11ada

  hey all, im using linq2SQL to grab information from my SQL database, i have a gridview which shows all the top level information, in this case a list of groups (i.e admin, users and so on) when a user clicks say the admin group, i want to be able…

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• Sorting GridView Formed With Data Set

  - by nani

  Following Code is for Sorting GridView Formed With DataSet Source: http://www.highoncoding.com/Articles/176_Sorting_GridView_Manually_.aspx But it is not displaying any output. There is no problem in sql connection. I am unable to trace the…

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• iPhone: Core Data: Updating a pre-filled database in future app versions.

  - by Cuzog

  I am creating an app with a database of information that needs to be pre-filled. This data will change in future versions. In the same database, I also need to store user editable information since that user edited data directly relates to…

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