Hello all ,
I think i am missing somthing with property attributes.
first i cant understand the different between retain and assign?
If i use assign does the property increase the retain counter by 1 to the setter and also to the getter, and i need to use release to both of them?
and how this work with readwrite or copy? from the view ...
I am trying to bind to a static property on a static class,
this property contains settings that are deserialized from a file.
It never works with the following XAML :
<Window.Resources>
<ObjectDataProvider x:Key="wrapper" ObjectType="{x:Type Application:Wrapper}"/>
</Window.Resources>
<ScrollViewer x:Name="scrollViewer" Scrol...
class FirstModel(db.Model):
p = db.StringProperty()
r=db.ReferenceProperty(SecondModel)
class SecondModel(db.Model):
r = db.ReferenceProperty(FirstModel)
class sss(webapp.RequestHandler):
def get(self):
a=FirstModel()
a.p='sss'
a.put()
b=SecondModel()
b.r=a
b.put()
a.r=b
a.put()
self.r...
class FirstModel(db.Model):
p = db.StringProperty({option:['aa','bb','cc']})
the error is :
NameError: name 'option' is not defined
what should i do ,thanks
...
I'm new to the memory management of the iphone and had a question about standards/correctness.
My header file declares:
IBOutlet UITabBarController *tabBarController;
@property (nonatomic, retain) UITabBarController *tabBarController;
In my init() code I was doing something like the following:
self.tabBarController = [[UITabBarCon...
Hello. I created user control. It has string[] public property (it may be List<string> or whatever). I want to support defining this property in aspx code, when declaring the instance of this usercontrol. Something like this:
<uc1:MyControl ID="MyControl1" runat="server">
<MyStringCollectionProperty>
<string>My String 1</str...
I'm trying to figure out how to map against a simple read-only property and have that property fire when I save to the database.
A contrived example should make this more clear. First, a simple table:
meta = MetaData()
foo_table = Table('foo', meta,
Column('id', String(3), primary_key=True),
Column('description', String(64), ...
I would like to assign a value in a class property dynamically (that is referring to it using a variable).
#Something like:
setPropValue($obj, $propName, $value);
...
I have come across what appears to be very peculiar behaviour using entity framework 4.0.
I have a User entity, which has a Company (A Company has many Users).
If I do this, everything works as expected and I get a nice shiny new user in the database:
var company = _model.Companies.First();
company.Users.Add(new User(1, "John", "Smith...
In something like this:
@interface Control_FunViewController : UIViewController {
UITextField *nameField;
UITextField *numberField;
}
@property (nonatomic, retain) IBOutlet UITextField *nameField;
@property (nonatomic, retain) IBOutlet UITextField *numberField;
I understand that "UITextField *nameField;" is an instance variabl...
hi guys,
I am trying to display my data in datagridview. I created a class with different property and used its list as the datasource. it worked fine. but I got confused how to do that in case we have nested class.
My Classes are as follows:
class Category
property UIN as integer
property Name as string
end class
class item
...
Hi,
I'm writing a user control with a dependency property for a search text called SearchText. It is a dependency property because I want to allow consumers of the control to use data binding. The user control contains a WPF TextBox where the user can enter the search text.
I could use data binding to connect the SearchText dependency ...
EDITED FOR BETTER UNDERSTANDING
I made a custom control with propertise for some global variables.
private string[] LBTitles = new string[1] { "Rien" };
//...
[CategoryAttribute("WildData"), DescriptionAttribute("Tableau des noms des titres au dessus de le listbox")]
public string[] Titles
{
get { return LBTitles; }
set { LBTi...
Do properties in Objective-C 2.0 require a corresponding instance variable to be declared? For example, I'm used to doing something like this:
MyObject.h
@interface MyObject : NSObject {
NSString *name;
}
@property (nonatomic, retain) NSString *name;
@end
MyObject.h
@implementation
@synthesize name;
@end
However, what if I did thi...
I have the following XML data which is generated by a webservice
<?xml version="1.0" encoding="UTF-8"?>
<rsp xmlns="http://worldcat.org/xid/isbn/" stat="ok">
<isbn oclcnum="263710087 491996179 50279560 60857040 429386124 44597307" lccn="00131084" form="AA BC" year="2002" lang="eng" ed="1st American ed." title="Harry Potter and...
Using Moq I am mocking a property, Report TheReport { get; set; } on an interface ISessionData so that I can inspect the value that gets set on this property.
To achieve this I'm using SetupGet and SetupSet as follows:
// class-level fields
protected Report _sessionReport;
protected Mock<ISessionData> SessionData { get; private set; }
...
Not sure if this is possible, but here is what I am trying to do:
I want to have a dictionary that contains a mapping of a column index to a property name used to populate that index.
In my code I will loop through an array if strings and use the dictionary to look up which column it should map to.
My end result code would look like:
...
Hi,
I have a Candidate entity that is read/write to a Candidate table under EF 4.0. This all works great but I need to load another type of Candidate from our existing membership table via a stored proc and Function Import.
From the applications POV they are also a Candidate they just happen to have an additional attribute of Grade. ...
I have a question very similiar to another question: http://stackoverflow.com/questions/2820660/get-name-of-property-as-a-string.
His solution ended up with
// Static Property
string name = GetPropertyName(() => SomeClass.SomeProperty);
// Instance Property
string name = GetPropertyName(() => someObject.SomeProperty);
What I'd ...
I need a base class with a property where I can derive classes with the same property but different (compatible) types. The base Class can be abstract.
public class Base
{
public virtual object prop { get; set; }
}
public class StrBase : Base
{
public override string prop { get; set; } // compiler error
}
public class UseIt
{
...