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  • Postgres user drop

    - by Grasper
    I am trying to drop a user: drop user testUser; I want to force this to work in a simple manner (Not a million calls)... How can I do this easily? I get this output: ERROR: role "testUser" cannot be dropped because some objects depend on it DETAIL: access to table main.tap_db_version access to table main.user_instance access to table main.target_type access to table main.status_code access to table main.state_space_profile access to table main.service_subscription access to table main.service_instance access to table main.sa_ordnance_weapon_type access to table main.operation access to table main.mission_class access to table main.map_symbol access to table main.ada_weapon_type access to table main.active_process access to table main.acft_type_00_only access to table main.abp_create_params access to table main.exercise access to table main.decl access to table main.data_set access to table main.cancellation_notice access to table main.ato_family_tree access to table main.apportionment_cat_cd access to table main.abp access to table main.alert_settings access to table main.alert_log access to table main.airspace_usage_category access to schema main access to view testUser.top_priority access to view testUser.target_ssm_msn_count access to view testUser.target_air_msn_count access to view testUser.sortie_sum access to view testUser.ref_info access to view testUser.preview_rmk_count access to view testUser.preview_pgm_las_count access to view testUser.preview_pgm_desi_count access to view testUser.preview_objective_count access to view testUser.preview_gfriend_count access to view testUser.preview_escort_msn_req access to view testUser.preview_chaff_data access to view testUser.preview_airmove_seg access to view testUser.preview_aircraft_total access to view testUser.offload_total access to view testUser.objective_count access to view testUser.fuel_planned access to view testUser.ew_data access to view testUser.dual access to view testUser.current_base_inventory access to view testUser.cell_total access to view testUser.asgn_sortie_sum access to view testUser.appor_sorties_planned access to view testUser.airmove_seg access to view testUser.aircraft_total access to view testUser.abp access to table testUser.req_msn_task access to table testUser.req_task_source_req access to table testUser.req_ssm_msn access to table testUser.req_ssm_source access to table testUser.req_msn access to table testUser.req_msn_warnings access to table testUser.req_air_msn access to table testUser.req_src_header access to table testUser.req_msn_ids access to table testUser.req_msn_comment access to table testUser.req_c2_msn access to table testUser.req_c2_source access to table testUser.req_ada_msn access to table testUser.req_ada_vertex access to table testUser.weather_forecast access to table testUser.weather_coords access to table testUser.weather_area access to table testUser.weapon_option access to table testUser.wag_activity access to table testUser.unit_remark access to table testUser.unit_location_turn access to table testUser.unit_iff access to table testUser.unit_coordination access to table testUser.unit_code access to table testUser.trace_point access to table testUser.tasking_agency access to table testUser.task_unit access to table testUser.target_type access to table testUser.tap_db_version access to table testUser.status_code access to table testUser.state_space_threat access to table testUser.state_space_profile access to table testUser.state_space access to table testUser.ssm_mission access to table testUser.spins_section_id access to table testUser.spins_codes access to table testUser.spins access to table testUser.unit_location access to table testUser.ship_target_request access to table testUser.service_subscription access to table testUser.service_instance access to table testUser.sa_ordnance_weapon_type access to table testUser.runway access to table testUser.restricted_codes access to table testUser.response_entity access to table testUser.residual_mission access to table testUser.request_objective access to table testUser.request and 194 other objects (see server log for list)

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  • Entity Framework SaveChanges error details

    - by Marek Karbarz
    When saving changes with SaveChanges on a data context is there a way to determine which Entity causes an error? For example, sometimes I'll forget to assign a date to a non-nullable date field and get "Invalid Date Range" error, but I get no information about which entity or which field it's caused by (I can usually track it down by painstakingly going through all my objects, but it's very time consuming). Stack trace is pretty useless as it only shows me an error at the SaveChanges call without any additional information as to where exactly it happened. Note that I'm not looking to solve any particular problem I have now, I would just like to know in general if there's a way to tell which entity/field is causing a problem. Quick sample of a stack trace as an example - in this case an error happened because CreatedOn date was not set on IAComment entity, however it's impossible to tell from this error/stack trace [SqlTypeException: SqlDateTime overflow. Must be between 1/1/1753 12:00:00 AM and 12/31/9999 11:59:59 PM.] System.Data.SqlTypes.SqlDateTime.FromTimeSpan(TimeSpan value) +2127345 System.Data.SqlTypes.SqlDateTime.FromDateTime(DateTime value) +232 System.Data.SqlClient.MetaType.FromDateTime(DateTime dateTime, Byte cb) +46 System.Data.SqlClient.TdsParser.WriteValue(Object value, MetaType type, Byte scale, Int32 actualLength, Int32 encodingByteSize, Int32 offset, TdsParserStateObject stateObj) +4997789 System.Data.SqlClient.TdsParser.TdsExecuteRPC(_SqlRPC[] rpcArray, Int32 timeout, Boolean inSchema, SqlNotificationRequest notificationRequest, TdsParserStateObject stateObj, Boolean isCommandProc) +6248 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) +987 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) +162 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) +32 System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) +141 System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior) +12 System.Data.Common.DbCommand.ExecuteReader(CommandBehavior behavior) +10 System.Data.Mapping.Update.Internal.DynamicUpdateCommand.Execute(UpdateTranslator translator, EntityConnection connection, Dictionary`2 identifierValues, List`1 generatedValues) +8084396 System.Data.Mapping.Update.Internal.UpdateTranslator.Update(IEntityStateManager stateManager, IEntityAdapter adapter) +267 [UpdateException: An error occurred while updating the entries. See the inner exception for details.] System.Data.Mapping.Update.Internal.UpdateTranslator.Update(IEntityStateManager stateManager, IEntityAdapter adapter) +389 System.Data.EntityClient.EntityAdapter.Update(IEntityStateManager entityCache) +163 System.Data.Objects.ObjectContext.SaveChanges(SaveOptions options) +609 IADAL.IAController.Save(IAHeader head) in C:\Projects\IA\IADAL\IAController.cs:61 IA.IAForm.saveForm(Boolean validate) in C:\Projects\IA\IA\IAForm.aspx.cs:198 IA.IAForm.advance_Click(Object sender, EventArgs e) in C:\Projects\IA\IA\IAForm.aspx.cs:287 System.Web.UI.WebControls.Button.OnClick(EventArgs e) +118 System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +112 System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5019

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  • How to override filter in android's ArrayAdapter?

    - by Mike
    I have an ArrayAdapter wrapped around an ArrayList of custom objects. I'd like to write a custom filter for that adapter so that when I call getListAdapter().getFilter().filter("abc") the list will get filtered by an arbitrary transformation of "abc". I thought I would just try to override ArrayAdapter.getFilter(), but that requires I re-implement the private ArrayAdapter.ArrayFilter which requires access to a bunch of ArrayAdapter's private instances. What's the simplest way to do this?

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  • Sending a Tuple object over WCF?

    - by Donut
    Is the System.Tuple class supported by WCF's Data Contract Serializer (i.e., can I pass Tuple objects to WCF calls and/or receive them as part or all of the result)? I found this page, but not the clear, definitive "you can send and receive Tuples with WCF" answer I was hoping for. I'm guessing that you can, as long as all of the types within the Tuple itself are supported by the Data Contract Serializer -- can anyone provide me with a more definitive answer? Thanks.

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  • How do I set a Group Policy's Password Policy in C#

    - by user343304
    I am trying to retrieve a group policy from a Windows Server 2008 Active Directory and change the minimum password age, maximum password age, and minimum password length in a C# application. Is there a way to do this? So far I have only found out how to create new Group Policy objects using Interop.GPMGMTLib (gpmgmt.dll), yet I haven't figured out how to change the policy's password rules and I am not sure if there is an easier way.

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  • JPQL IN clause: Java-Arrays (or Lists, Sets...)?

    - by Bernd Haug
    I would like to load all objects that have a textual tag set to any of a small but arbitrary number of values from our database. The logical way to go about this in SQL would be to build an "IN" clause. JPQL allows for IN, but it seems to require me to specify every single parameter to IN directly (as in, "in (:in1, :in2, :in3)"). Is there some way to specify an array, or a list (or some other container) that should be unrolled to the values of an IN clause?

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  • Grails JSON array

    - by armandino
    I'm converting a list of Foo objects to a JSON string. I need to parse the JSON string back into a list of Foos. However in the following example, parsing gives me a list of JSONObjects instead of Foos. Example List list = [new Foo("first"), new Foo("second")] def jsonString = (list as JSON).toString() List parsedList = JSON.parse(jsonString) as List println parsedList[0].getClass() // org.codehaus.groovy.grails.web.json.JSONObject How can I parse it into Foos instead? Thanks in advance.

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  • Postgres user/role drop

    - by Grasper
    I am trying to drop a user: drop user testUser; I want to force this to work in a simple manner (Not a million calls)... How can I do this easily? I get this output: ERROR: role "testUser" cannot be dropped because some objects depend on it DETAIL: access to table main.tap_db_version access to table main.user_instance access to table main.target_type access to table main.status_code access to table main.state_space_profile access to table main.service_subscription access to table main.service_instance access to table main.sa_ordnance_weapon_type access to table main.operation access to table main.mission_class access to table main.map_symbol access to table main.ada_weapon_type access to table main.active_process access to table main.acft_type_00_only access to table main.abp_create_params access to table main.exercise access to table main.decl access to table main.data_set access to table main.cancellation_notice access to table main.ato_family_tree access to table main.apportionment_cat_cd access to table main.abp access to table main.alert_settings access to table main.alert_log access to table main.airspace_usage_category access to schema main access to view testUser.top_priority access to view testUser.target_ssm_msn_count access to view testUser.target_air_msn_count access to view testUser.sortie_sum access to view testUser.ref_info access to view testUser.preview_rmk_count access to view testUser.preview_pgm_las_count access to view testUser.preview_pgm_desi_count access to view testUser.preview_objective_count access to view testUser.preview_gfriend_count access to view testUser.preview_escort_msn_req access to view testUser.preview_chaff_data access to view testUser.preview_airmove_seg access to view testUser.preview_aircraft_total access to view testUser.offload_total access to view testUser.objective_count access to view testUser.fuel_planned access to view testUser.ew_data access to view testUser.dual access to view testUser.current_base_inventory access to view testUser.cell_total access to view testUser.asgn_sortie_sum access to view testUser.appor_sorties_planned access to view testUser.airmove_seg access to view testUser.aircraft_total access to view testUser.abp access to table testUser.req_msn_task access to table testUser.req_task_source_req access to table testUser.req_ssm_msn access to table testUser.req_ssm_source access to table testUser.req_msn access to table testUser.req_msn_warnings access to table testUser.req_air_msn access to table testUser.req_src_header access to table testUser.req_msn_ids access to table testUser.req_msn_comment access to table testUser.req_c2_msn access to table testUser.req_c2_source access to table testUser.req_ada_msn access to table testUser.req_ada_vertex access to table testUser.weather_forecast access to table testUser.weather_coords access to table testUser.weather_area access to table testUser.weapon_option access to table testUser.wag_activity access to table testUser.unit_remark access to table testUser.unit_location_turn access to table testUser.unit_iff access to table testUser.unit_coordination access to table testUser.unit_code access to table testUser.trace_point access to table testUser.tasking_agency access to table testUser.task_unit access to table testUser.target_type access to table testUser.tap_db_version access to table testUser.status_code access to table testUser.state_space_threat access to table testUser.state_space_profile access to table testUser.state_space access to table testUser.ssm_mission access to table testUser.spins_section_id access to table testUser.spins_codes access to table testUser.spins access to table testUser.unit_location access to table testUser.ship_target_request access to table testUser.service_subscription access to table testUser.service_instance access to table testUser.sa_ordnance_weapon_type access to table testUser.runway access to table testUser.restricted_codes access to table testUser.response_entity access to table testUser.residual_mission access to table testUser.request_objective access to table testUser.request and 194 other objects (see server log for list)

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  • Implicit Lazy Loading vs Explicit Lazy Loading

    - by Tarik
    I've been reading Entity Framework and people were crying over why there was not implicit lazy loading or something. Basically I've been searching things about Lazy Loading and now I know what it is : It is a design pattern which allows us to load objects when they are really needed. But what is the difference between Explicit Lazy Loading and Implicit Lazy Loading. Thanks in advance...

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  • Silverlight 4 RichTextbox Paragraph Margin or similar?

    - by Nacho
    Hi All, I'm trying to add bullets to the SL4 RichTextBox. Using the Run / Paragraph objects and adding the correct bullet child seems to be an easy approach. However, when I want to apply a bullet to an existing paragraph, I would like to indent the content of the paragraph. How can apply this kind of styling to the paragraph? The margin doesn't exist for the SL version of Paragraph. Thanks.

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  • Collision Detection for Actionscript 3

    - by M28
    Well, I was searching for a simple collision detection function for as3, I found Collision Detection Kit, but it is too complicated, I just want a damn function that I give 2 objects as paramenters and that's it. I would like to know where can I find a pixel-perfect collision detection function (The faster, the better)

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  • Hook IDispatch v-table in C++

    - by monoceres
    I'm trying to modify the behavior of an IDispatch interface already present in the system. To do this my plan was to hook into the objects v-table during runtime and modify the pointers so it points to a custom hook method instead. If I can get this to work I can add new methods and properties to already existing objects. Nice. First I tried hooking into the v-table for IUnknown (from which IDispatch inherits from) and that worked fine. However trying to change entires in IDispatch doesn't work at all. Nothing happens at all, the code works just as it did without the hook. Here's the code, it's very simple so it shouldn't be any problems to understand #include <iostream> #include <windows.h> #include <Objbase.h> #pragma comment (lib,"Ole32.lib") using namespace std; HRESULT __stdcall typecount(IDispatch *self,UINT*u) { cout << "hook" << endl; *u=1; return S_OK; } int main() { CoInitialize(NULL); // Get clsid from name CLSID clsid; CLSIDFromProgID(L"shell.application",&clsid); // Create instance IDispatch *obj=NULL; CoCreateInstance(clsid,NULL,CLSCTX_INPROC_SERVER,__uuidof(IDispatch),(void**)&obj); // Get vtable and offset in vtable for idispatch void* iunknown_vtable= (void*)*((unsigned int*)obj); // There are three entries in IUnknown, therefore add 12 to go to IDispatch void* idispatch_vtable = (void*)(((unsigned int)iunknown_vtable)+12); // Get pointer of first emtry in IDispatch vtable (GetTypeInfoCount) unsigned int* v1 = (unsigned int*)iunknown_vtable; // Change memory permissions so address can be overwritten DWORD old; VirtualProtect(v1,4,PAGE_EXECUTE_READWRITE,&old); // Override v-table pointer *v1 = (unsigned int) typecount; // Try calling GetTypeInfo count, should now be hooked. But isn't works as usual UINT num=0; obj->GetTypeInfoCount(&num); /* HRESULT hresult; OLECHAR FAR* szMember = (OLECHAR*)L"MinimizeAll"; DISPID dispid; DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0}; hresult = obj->GetIDsOfNames(IID_NULL, &szMember, 1, LOCALE_SYSTEM_DEFAULT, &dispid) ; hresult = obj->Invoke(dispid,IID_NULL,LOCALE_SYSTEM_DEFAULT,DISPATCH_METHOD,&dispparamsNoArgs, NULL, NULL, NULL); */ } Thanks in advance!

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  • Objective-C Out of scope problem

    - by davbryn
    Hi, I'm having a few problems with some Objective-C and would appreciate some pointers. So I have a class MapFileGroup which has the following simple interface (There are other member variables but they aren't important): @interface MapFileGroup : NSObject { NSMutableArray *mapArray; } @property (nonatomic, retain) NSMutableArray *mapArray; mapArray is @synthesize'd in the .m file. It has an init method: -(MapFileGroup*) init { self = [super init]; if (self) { mapArray = [NSMutableArray arrayWithCapacity: 10]; } return self; } It also has a method for adding a custom object to the array: -(BOOL) addMapFile:(MapFile*) mapfile { if (mapfile == nil) return NO; mapArray addObject:mapfile]; return YES; } The problem I get comes when I want to use this class - obviously due to a misunderstanding of memory management on my part. In my view controller I declare as follows: (in the @interface): MapFileGroup *fullGroupOfMaps; With @property @property (nonatomic, retain) MapFileGroup *fullGroupOfMaps; Then in the .m file I have a function called loadMapData that does the following: MapFileGroup *mapContainer = [[MapFileGroup alloc] init]; // create a predicate that we can use to filter an array // for all strings ending in .png (case insensitive) NSPredicate *caseInsensitivePNGFiles = [NSPredicate predicateWithFormat:@"SELF endswith[c] '.png'"]; mapNames = [unfilteredArray filteredArrayUsingPredicate:caseInsensitivePNGFiles]; [mapNames retain]; NSEnumerator * enumerator = [mapNames objectEnumerator]; NSString * currentFileName; NSString *nameOfMap; MapFile *mapfile; while(currentFileName = [enumerator nextObject]) { nameOfMap = [currentFileName substringToIndex:[currentFileName length]-4]; //strip the extension mapfile = [[MapFile alloc] initWithName:nameOfMap]; [mapfile retain]; // add to array [fullGroupOfMaps addMapFile:mapfile]; } This seems to work ok (Though I can tell I've not got the memory management working properly, I'm still learning Objective-C); however, I have an (IBAction) that interacts with the fullGroupOfMaps later. It calls a method within fullGroupOfMaps, but if I step into the class from that line while debugging, all fullGroupOfMaps's objects are now out of scope and I get a crash. So apologies for the long question and big amount of code, but I guess my main question it: How should I handle a class with an NSMutableArray as an instance variable? What is the proper way of creating objects to be added to the class so that they don't get freed before I'm done with them? Many thanks

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  • MinGW/G++/g95 link problem - libf95 undefined reference to `MAIN_'

    - by pivakaka
    Hi folks, Summing up, my problem consists on compiling g95 objects inside a C++ application. Actually, I'm constructing an interface for an old fortran program. For this task, I'm using the wxWidgets GUI library, and calling fortran subroutines when necessary. At the beginning, I was developing the entire project compiling my fortran files with gfortran (which comes with GCC) and linking them with my app by the g++ -o... command. Everything was working fine but some numbers values calculated by my fotran subroutines returned NAN values. Doing some research, I realized that compiling my fortran files with gfortran with the -m32 flag, generates this NAN values problem. Although compiling with -m64 flag, my code works properly well. The only trouble here is that my App should be 32bits and then I tryed another compiller. Here I found g95 Fortran compiler, which compiles my fortran code and gives the right output on a 32bits environment. But when I'm trying to link these g95 objects into my program I see this following error: g++ -oCyclonTechTower.exe src\fortran\Modulo_Global.o src\fortran\Prop_Fisicas.o src\fortran\inversa.o src\fortran\tower.o src\fortran\PredadeCarga.o src\fortran\gota.o src\fortran\tadi.o src\view\SimulationORSATCustomDialog.o src\view\SimulationChildGUIFrame.o src\view\ParentGUIFrame.o src\view\ClientGUIFrame.o src\model\TowerData.o src\controller\SimulationController.o src\THEIACyclonTechTower.o ..\Resource\resource.o -Lc:\wxWidgets-2.6.4\lib -Lc:\MinGW\lib\gcc-lib\i686-pc-mingw32\4.1.2 -Bdynamic -Wl,--subsystem,windows -mwindows c:\wxWidgets-2.6.4\lib\libwx_mswu-2.6.a -lwxregexu-2.6 -lwxexpat-2.6 -lwxtiff-2.6 -lwxjpeg-2.6 -lwxpng-2.6 -lwxzlib-2.6 -lrpcrt4 -loleaut32 -lole32 -luuid -lwinspool -lwinmm -lshell32 -lcomctl32 -lcomdlg32 -lctl3d32 -ladvapi32 -lwsock32 -lgdi32 -lgcc -lf95 c:\MinGW\lib\gcc-lib\i686-pc-mingw32\4.1.2/libf95.a(main.o):(.text+0x32): undefined reference to `MAIN_' collect2: ld returned 1 exit status Build error occurred, build is stopped Time consumed: 1531 ms. I have already read the g95 Manual for integration with C++ and I'm actually calling these functions bellow for controlling the fortran environment: void g95_runtime_start(int argc, char *argv[]); void g95_runtime_stop(); I also included the g95 Fortran Runtime Library libf95.a and the libgcc.a into my linker command. Finishing, I don't have a main method implemented because this is managed by wxWidgets, and my fortran subroutines can not have a main function because this is a C++ program calling fortran functions. Can some of you guys help me with this problem? How can I fix this undefined reference to MAIN__ problem? Any idea will be much appreciated. Thanks in advance, George

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  • Why is drawing to OnPaint graphics faster than image graphics?

    - by Tesserex
    I'm looking for a way to speed up the drawing of my game engine, which is currently the significant bottleneck, and is causing slowdowns. I'm on the verge of converting it over to XNA, but I just noticed something. Say I have a small image that I've loaded. Image img = Image.FromFile("mypict.png"); We have a picturebox on the screen we want to draw on. So we have a handler. pictureBox1.Paint += new PaintEventHandler(pictureBox1_Paint); I want our loaded image to be tiled on the picturebox (this is for a game, after all). Why on earth is this code: void pictureBox1_Paint(object sender, PaintEventArgs e) { for (int y = 0; y < 16; y++) for (int x = 0; x < 16; x++) e.Graphics.DrawImage(image, x * 16, y * 16, 16, 16); } over 25 TIMES FASTER than this code: Image buff = new Bitmap(256, 256, PixelFormat.Format32bppPArgb); // actually a form member void pictureBox1_Paint(object sender, PaintEventArgs e) { using (Graphics g = Graphics.FromImage(buff)) { for (int y = 0; y < 16; y++) for (int x = 0; x < 16; x++) g.DrawImage(image, x * 16, y * 16, 16, 16); } e.Graphics.DrawImage(buff, 0, 0, 256, 256); } To eliminate the obvious, I've tried commenting out the last e.Graphics.DrawImage (which means I don't see anything, but it gets rid a call that isn't in the first example). I've also left in the using block (needlessly) in the first example, but it's still just as blazingly fast. I've set properties of g to match e.Graphics - things like InterpolationMode, CompositingQuality, etc, but nothing I do bridges this incredible gap in performance. I can't find any difference between the two Graphics objects. What gives? My test with a System.Diagnostics.Stopwatch says that the first code snippet runs at about 7100 fps, while the second runs at a measly 280 fps. My reference image is VS2010ImageLibrary\Objects\png_format\WinVista\SecurityLock.png, which is 48x48 px, and which I modified to be 72 dpi instead of 96, but those made no difference either.

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  • How does LinqPad support WCF Data Services?

    - by user341127
    LinqPad supports WCF Data Services. If you assign an URL, such as http://services.odata.org/Northwind/Northwind.svc/. It will list all available data objects and you can query them. I guess LinqPad generates all available data classes at run time by reflection.Emit. I am wondering who can show me to how to do so. Or maybe someone has done it before. Any feedback are appreciated. Ying

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  • iPhone/iPad SDK: homescreen/Photos style grid view?

    - by igul222
    I'm building an iPad app, and would like to use a "tiled" display with objects arranged in a grid, similar to the iPhone/iPad home screen and the iPad photos app. More examples of this interface: http://itunes.apple.com/us/app/flipside-hd/id364916273?mt=8 http://itunes.apple.com/us/app/evernote/id281796108?mt=8 Is there any pre-built way in the SDK to do this? If not, how should I go about creating my own?

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  • Crystal Reports - Underlay section overlays lines (drawing object)

    - by Sapphire
    I have a problem with CR (version that ships with VS2008). Report has two report headers, one of them is used for watermark (a picture), using the "Underlay following sections" option. The problem is that, while this picture underlays field objects, it overlays lines in all of the sections (details, report footer etc...). Any solutions? Help would be mostly appreciated, I'm starting to lose my hair ...

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  • 'NoneType' object has no attribute 'get' error using SQLAlchemy

    - by Az
    I've been trying to map an object to a database using SQLAlchemy but have run into a snag. Version info if handy: [OS: Mac OSX 10.5.8 | Python: 2.6.4 | SQLAlchemy: 0.5.8] The class I'm going to map: class Student(object): def __init__(self, name, id): self.id = id self.name = name self.preferences = collections.defaultdict(set) self.allocated_project = None self.allocated_rank = 0 def __repr__(self): return str(self) def __str__(self): return "%s %s" %(self.id, self.name) Background: Now, I've got a function that reads in the necessary information from a text database into these objects. The function more or less works and I can easily access the information from the objects. Before the SQLAlchemy code runs, the function will read in the necessary info and store it into the Class. There is a dictionary called students which stores this as such: students = {} students[id] = Student(<all the info from the various "reader" functions>) Afterwards, there is an "allocation" algorithm that will allocate projects to student. It does that well enough. The allocated_project remains as None if a student is unsuccessful in getting a project. SQLAlchemy bit: So after all this happens, I'd like to map my object to a database table. Using the documentation, I've used the following code to only map certain bits. I also begin to create a Session. from sqlalchemy import * from sqlalchemy.orm import * engine = create_engine('sqlite:///:memory:', echo=False) metadata = MetaData() students_table = Table('studs', metadata, Column('id', Integer, primary_key=True), Column('name', String) ) metadata.create_all(engine) mapper(Student, students_table) Session = sessionmaker(bind=engine) sesh = Session() Now after that, I was curious to see if I could print out all the students from my students dictionary. for student in students.itervalues(): print student What do I get but an error: Traceback (most recent call last): File "~/FYP_Tests/FYP_Tests.py", line 140, in <module> print student File "/~FYP_Tests/Parties.py", line 30, in __str__ return "%s %s" %(self.id, self.name) File "/opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/SQLAlchemy-0.5.8-py2.6.egg/sqlalchemy/orm/attributes.py", line 158, in __get__ return self.impl.get(instance_state(instance), instance_dict(instance)) AttributeError: 'NoneType' object has no attribute 'get' I'm at a loss as to how to resolve this issue, if it is an issue. If more information is required, please ask and I will provide it.

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  • Java DnD - Java Component to .Net Component

    - by JT703
    I'm trying to use Java drag and drop to drag an object from a JTree into a native .NET component that is embedded in my app. This .NET component only accepts File objects, so I'm having trouble with the DnD's Transferable object. Anyone know how I can make this Transferable "look" like a file to this .Net component? p.s. I need this answer as Quickly as possible. Thanks!

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