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• Resize form objects in Java

  - by PeerFull

  I have a Java applet, which is a form that draw shapes into it (Rect, Oval, Line). Each shape is represented by 2 points and can draw itself to the form. When the JApplet form resizes, I need to resize the shapes also while keeping the aspect ratio. I didn't find an high quality solution for doing this that solves this problem. Tried to write a solution from this, but it came up as lousy when tested, Can someone publish an example code for doing that please?

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• Comparing Page.User.Identity.Name to value in sql Table

  - by Peggy Fusselman

  First, I am SO sorry if the answer is out there. I've looked and looked and feel this is such a simple thing that it should be obvious. I'm wanting to make sure only the person who added an event can modify it. Simple! I already have a datasource that has event_added_by as a data point. It is populating a FormView. SelectCommand="SELECT * FROM [tbl_events] WHERE ([event_ID] = @event_ID)" And I have Page.User.Identity.Name. How do I compare the two? I can't pull the value from the label in the FormView so I need to find another way. if (!IsPostBack) { string uname = Page.User.Identity.Name; string owner = ""// this is where I need to grab the value from dsEvents; if (uname != owner) { //Send them somewhere saying they're not allowed to be here } } TIA for any help!

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• Check for state change in objects using serialization?

  - by sev7n

  I have a form that is bind to an object, and when the user trying to leave the form, I want to warn them if anything on the form has been changed, and prompt them to save. My question is, is there any way to achieve this without implementing IComparar for all my classes in the binded object? I was thinking if there is a way I can serialize my object when loading the form, and do a simple comparison against the change object that also get serialized. Something like a string comparison. Hope that make sense, Thanks

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• Android Cursor over Generic list of business objects?

  - by BahaiResearch.com

  In .NET land I would normally query the database and populate a generic List kind of collection. Then the app would use this. In Android land I have been reading about DB access and use in apps. Why do most of the docs show the use of a cursor and use of constants to access it? Is this to save on resources perhaps?

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• NUnit Assert a list of objects in no order

  - by Shawn Mclean

  How do I Assert a collection of items in no particular order? I just want to make sure all the items are in the list. I'm heard of CollectionAssert but I do not see any method that would do what I want. My object looks like this: public class Vector2{ public float X {get; set;} public float Y {get; set;} } Assert - I want something like this: CollectionAssert.ContainsAll(mesh.GetPolygonVertices(0), aListOfVertices); mesh.GetPolygonVertices(int) returns a List<Vector2> and aListOfVertices contains all of what is returned, but not guaranteed that order.

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• MySQL Query Join Table Selecting Highest Date Value

  - by ALHUI

  Here is the query that I run SELECT cl.cl_id, cc_rego, cc_model, cl_dateIn, cl_dateOut FROM courtesycar cc LEFT JOIN courtesyloan cl ON cc.cc_id = cl.cc_id Results: 1 NXI955 Prado 2013-10-24 11:48:38 NULL 2 RJI603 Avalon 2013-10-24 11:48:42 2013-10-24 11:54:18 3 RJI603 Avalon 2013-10-24 12:01:40 NULL The results that I wanted are to group by the cc_rego values and print the most recent cl_dateIn value. (Only Display Rows 1,3) Ive tried to use MAX on the date and group by clause, but it combines rows, 2 & 3 together showing both the highest value of dateIn and dateOut. Any help will be appreciated.

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• Creating a function that will handle objects with common properties

  - by geocine

  Take this as an example I have trimmed this example for readability and you may not find the use of this concept here. class Teacher() { public Name {get; set;} public Salt {get; set;} public Department{get; set;} } class Student() { public Name {get; set;} public Salt {get; set;} public Section{get; set;} } public string GetEncryptedName(object Person) { //return encrypted name based on Name and Salt property return encrypt(object.Salt,object.Name) } callig the function GetEncryptedName(Teacher) GetEncryptedName(Student) How do you implement this kind of stuff?

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• Serialize Dictionary with a string key and List[] value to JSON

  - by Patrick

  How can I serialize a python Dictionary to JSON and pass back to javascript, which contains a string key, while the value is a List (i.e. []) if request.is_ajax() and request.method == 'GET': groupSet = GroupSet.objects.get(id=int(request.GET["groupSetId"])) groups = groupSet.groups.all() group_items = [] #list groups_and_items = {} #dictionary for group in groups: group_items.extend([group_item for group_item in group.group_items.all()]) #use group as Key name and group_items (LIST) as the value groups_and_items[group] = group_items data = serializers.serialize("json", groups_and_items) return HttpResponse(data, mimetype="application/json") the result: [{"pk": 5, "model": "myApp.group", "fields": {"name": "\u6fb4\u9584", "group_items": [13]}}] while the group_items should have many group_item and each group_item should have "name", rather than only the Id, in this case the Id is 13. I need to serialize the group name, as well as the group_item's Id and name as JSON and pass back to javascript. I am new to Python and Django, please advice me if you have a better way to do this, appreciate. Thank you so much. :)

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• Serialization of an object and its Contained Objects

  - by Amit

  There is a main class having 2 subClasses(each represent separate entity) and all classes needs to be serialized.. how should I proceed ? My requirement is when I serelize MainClass, I should get the xml for each sub class and main class as well. Thanks in advance... and if my approach is incorrect... correct that as well.. Ex given below... class MainClass { SubClass1 objSubclass1 = null; SubClass2 objSubclass2 = null; public MainClass() { objSubclass1 = new SubClass1(); objSubclass2 = new SubClass2(); } [XmlElement("SubClass1")] public SubClass1 SubClass1 {get {return objSubclass1;} } [XmlElement("SubClass2")] public SubClass2 SubClass2 {get {return objSubclass2;} } } Class SubClass1 { Some properties here... } Class SubClass2 { Some properties here... }

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• How to deal with name/value pairs of function arguments in MATLAB

  - by Richie Cotton

  I have a function that takes optional arguments as name/value pairs. function example(varargin) % Lots of set up stuff vargs = varargin; nargs = length(vargs); names = vargs(1:2:nargs); values = vargs(2:2:nargs); validnames = {'foo', 'bar', 'baz'}; for name = names validatestring(name{:}, validnames); end % Do something ... foo = strmatch('foo', names); disp(values(foo)) end example('foo', 1:10, 'bar', 'qwerty') It seems that there is a lot of effort involved in extracting the appropriate values (and it still isn't particularly robust again badly specified inputs). Is there a better way of handling these name/value pairs? Are there any helper functions that come with MATLAB to assist?

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• Asp.NET MVC View with different objects

  - by user195910

  If i have a controller action "Create" that returns a view with the following as the Model type: public class PaymentModel { public Model.SummaryInformation SummaryInformation; public Model.CardDetail CardDetail; } If there is a button on this view that POST's to an action "New" and I want that action to recieve a different object e.g. public class PaymentNewModel { public Model.CardDetail CardDetail; } Is this possible? I do not want to use the same Model when the view is rendered to the Model that is POSTed

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• Hibernate and Child Objects (add versus clear)

  - by tyndall

  Lets say I have domain model with Automobile and Wheels. Wheels is a List of Wheels Wheels has a many-to-one relationship to Automobile. If I get an object back from Hibernate and it has 4 wheels. I take that object remove the 4 wheels and add 4. And then Save. If I ask Hibernate for the object again and it returns an auto with 8 wheels... what are we doing wrong? I don't have access to the source for a few days but want to give our Java devs a push in the right direction. Thanks.

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• Doing things with objects as if they were parents

  - by General Ackbar

  Sorry that this is probably a super noob question. But the following code give me an error saying that there are invalid arguments in my call of doStuffToLines(segments) shouldnt I be able to do this since I have my DimensionLineSegment inherits from Lines? private void doStuff() { List<DimensionLineSegment> segments = new List<DimensionLineSegment>(); doStuffToLines(segments); } private void doStuffToLines(List<Line> lines) { }

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• Compare class objects

  - by reto

  I have to compare a class object against a list of pre defined classes. Is it safe to use == or should I use equals()? if (klass == KlassA.class) { } else if (klass == KlassB.class) { } else if (klass == KlassC.class) { } else { } Note: I cannot use instanceof, I don't have an object, I just have the class object. I (mis)use it like an enum in this situation! Thanks!

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• "'Objects' may not respond to 'functions'" warnings.

  - by Andrew

  Hello all, for the last couple of weeks I've finally gotten into Obj-C from regular C and have started my first app. I've watched tutorials and read through a book along with a lot of webpages, but I know I've only just begun. Anyway, for most of the night and this morning, I've been trying to get this code to work, and now that it will compile, I have a few warnings. I've searched and found similar problems with solutions, but still no dice. What I'm trying to do is put an array made from a txt document into the popup list in a combo box. AwesomeBoxList.h: #import <Cocoa/Cocoa.h> @interface AwesomeBoxList : NSObject { IBOutlet NSComboBox *ComboBoz; } -(NSArray *) getStringzFromTxtz; - (void) awesomeBoxList; @end AwesomeBoxList.m: #import "AwesomeBoxList.h" @implementation AwesomeBoxList -(NSArray *)getStringzFromTxtz { ... return combind; } - (void) awesomeBoxList { [ComboBoz setUsesDataSource:YES]; [ComboBoz setDataSource: [ComboBoz getStringzFromTxtz]: //'NSComboBox' may not respond to 'getStringzFromTxtz' [ComboBoz comboBox:(NSComboBox *)ComboBoz objectValueForItemAtIndex: [ComboBoz numberOfItemsInComboBox:(NSComboBox *)ComboBoz]]]; /*'NSComboBox' may not respond to '-numberOfItemsInComboBox:' 'NSComboBox' may not respond to '-comboBox:objectValueForItemAtIndex:' 'NSComboBox' may not respond to '-setDataSource:' */ } @end So, with all of these errors and my still shallow knowledge of Obj-C, I must be making some sort of n00b mistake. Thanks for the help.

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• Value from UISlider method?

  - by fuzzygoat

  Can anyone point me in the right direction regarding sliders, the version below was my first attempt (the range is 0.0 - 100.0) The results I get are not right. // Version 1.0 -(IBAction)sliderMoved:(id)sender { NSLog(@"SliderValue ... %d",(int)[sender value]); } // OUTPUT: // [1845:207] SliderMoved ... -1.991753 // [1845:207] SliderMoved ... 0.000000 // [1845:207] SliderMoved ... 0.000000 // [1845:207] SliderMoved ... 32768.000435 With the version below I get the values I expect, what am I missing in version_001? // Version 2.0 -(IBAction)sliderMoved:(UISlider *)sender { NSLog(@"SliderValue ... %d",(int)[sender value]); } // OUTPUT: // [1914:207] SliderMoved ... 1 // [1914:207] SliderMoved ... 2 // [1914:207] SliderMoved ... 3 // [1914:207] SliderMoved ... 4 cheers Gary

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• SQLite SQLite column can't be updated to any value but zero (real type)

  - by user1065320

  Hi I'm trying to create a three fields table (date,text,real), I can insert and update the first two fields but can't set or update the last one. createSQL = @"CREATE TABLE IF NOT EXISTS ACTIVITIES (MYDATE DATETIME PRIMARY KEY, ACTIVITY TEXT , LENGTH REAL);"; try to insert char *update = "INSERT OR REPLACE INTO ACTIVITIES (MYDATE, ACTIVITY , LENGTH) VALUES (?, ? ,?);"; sqlite3_stmt *stmt; if (sqlite3_prepare_v2(database, update , -1, &stmt, nil) == SQLITE_OK) { sqlite3_bind_double(stmt, 1, valueToWrite); sqlite3_bind_text(stmt, 2, [task UTF8String], -1, NULL); sqlite3_bind_double(stmt, 3, 1.5); } if (sqlite3_step(stmt) != SQLITE_DONE) { NSAssert1(0, @"Error updating table: %s", errorMsg); } sqlite3_finalize(stmt); sqlite3_close(database); The first two values are updated but the last one remains 0 even if I'm writing a value like 1.5 or put a double variable with a different value Thanks

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• Based on CheckBox value show the WIX Dialog.

  - by Velu

  I have instakllation i have to show the Dialog based on the checkbox value. I have set the checkbox property as true initially. <Property Id="CHECKBOX_1_PROP" Value="TRUE" /> And show the dialog based on the check box values. If it is true i have to show the Newdoalog_1 if it is false i have to show the Setup dialog INSTALL INSTALL AND CHECKBOX_1_PROP="TRUE" INSTALL INSTALL My Problem is always show the Setup Dialog that is False condition. Pls help on this.

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• how to pass php variable value to action attribute of html form

  - by MAS1

  hi, i want to pass php variable value as a action to html form. i am trying as follows, but it is not working. <?php $url='test.php'; ?> <html> <body> <form name="upload" action="'<?=$url?>'" method="post" > <input type="submit" value="submit"> </form> </body> </html> All this code are in one php file.

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• Get the identity value from an insert via a .net dataset update call

  - by DeveloperMCT

  Here is some sample code that inserts a record into a db table: Dim ds As DataSet = New DataSet() da.Fill(ds, "Shippers") Dim RowDatos As DataRow RowDatos = ds.Tables("Shippers").NewRow RowDatos.Item("CompanyName") = "Serpost Peru" RowDatos.Item("Phone") = "(511) 555-5555" ds.Tables("Shippers").Rows.Add(RowDatos) Dim custCB As SqlCommandBuilder = New SqlCommandBuilder(da) da.Update(ds, "Shippers") It inserts a row in the Shippers Table, the ShippersID is a Indentity value. My question is how can i retrieve the Identity value generated when the new row is inserted in the Shippers table. I have done several web searches and the sources I've seen on the net don't answer it speccifically or go on to talk about stored procedures. Any help would be appreciated. Thanks!

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• Create a class with array of objects.

  - by Bi

  Hi Code below defines a ChargeCustomer class that contains an array of type "customers". I want to be able to create an object with either 1 "customer" or 2 "customers" based on the constructor parameters. Is this the right way to do so in C#: public class ChargeCustomer { private Customer[] customers; public ChargeCustomer( string aName, string bName, int charge ) { customers = new Customer[2]; customers[0] = new Customer(aName, charge); customers[1] = new DropBox(bName, charge); } public ChargeCustomer( string bName, int charge ) { customers = new Customer[1]; customers[0] = new Customer( bName, charge ); } } Thanks!

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• Unit testing with serialization mock objects in C++

  - by lhumongous

  Greetings, I'm fairly new to TDD and ran across a unit test that I'm not entirely sure how to address. Basically, I'm testing a couple of legacy class methods which read/write a binary stream to a file. The class functions take a serializable object as a parameter, which handles the actual reading/writing to the file. For testing this, I was thinking that I would need a serialization mock object that I would pass to this function. My initial thought was to have the mock object hold onto a (char*) which would dynamically allocate memory and memcpy the data. However, it seems like the mock object might be doing too much work, and might be beyond the scope of this particular test. Is my initial approach correct, or can anyone think of another way of correctly testing this? Thanks!

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• Javascript: sort objects

  - by tom

  function Player() { var score; this.getScore = function() { return score; } this.setScore = function(sc) { score = sc; } } function compare(playerA, playerB) { return playerA.getScore() - playerB.getScore(); } var players = []; players['player1'] = new Player(); players['player2'] = new Player(); Array(players).sort(compare); I have code that is similar to the above. When I step through the code with a debugger, the compare function never gets called and the array isn't sorted. I'm not sure what's wrong with my code?

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• unable to add objects to saved collection in GAE

  - by Jeffrey Chee

  I have a ClassA containing an ArrayList of another ClassB I can save a new instance of ClassA with ClassB instances also saved using JDO. However, When I retrieve the instance of Class A, I try to do like the below: ClassA instance = PMF.get().getPersistenceManager().GetObjectByID( someid ); instance.GetClassBArrayList().add( new ClassB(...) ); I get an Exception like the below: Uncaught exception from servlet com.google.appengine.api.datastore.DatastoreNeedIndexException: no matching index found.. So I was wondering, Is it possible to add a new item to the previously saved collection? Or was it something I missed out. Best Regards

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• To retrieve value from a text box in a form (view) to controller in cake php

  - by shinod

  How to o retrieve value from a text box in a form (view) to controller in cake php?

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