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Anonymous method in Invoke call
...If you need to pass in parameters, then "captured variables" are the way:
string message = "Hi";
control.Invoke((MethodInvoker) delegate {this.Text = message;});
(caveat: you need to be a bit cautious if using captures async, but sync is fine - i.e. the above is fine)
Another option is to write ...
Calculate size of Object in Java [duplicate]
...te static Instrumentation instrumentation;
public static void premain(String args, Instrumentation inst) {
instrumentation = inst;
}
public static long getObjectSize(Object o) {
return instrumentation.getObjectSize(o);
}
}
Use getObjectSize:
public class C {
pr...
Convert a PHP object to an associative array
...
It you have integer keys the'll be converted in to string and this can cause big issue. E.g. [1 => "one"] becomes ["1" => "one"]
– Oleg
Aug 11 '15 at 12:16
...
Jquery change background color
...
});
});
The .queue() function waits for running animations to run out and then fires whatever's in the supplied function.
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ASP.NET MVC 3 - Partial vs Display Template vs Editor Template
...playFor is simple. The semantics of the methods is to generate edit/insert and display/read only views (respectively). Use DisplayFor when displaying data (i.e. when you generate divs and spans that contain the model values). Use EditorFor when editing/inserting data (i.e. when you generate input ta...
Not equal != operator on NULL
... you give an appropriate datatype for the sentinel value x (in this case a string/char). This is TSQL syntax but Oracle and other engines have similar features.
– systemaddict
Jun 27 '17 at 20:25
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How can we programmatically detect which iOS version is device running on? [duplicate]
...
Best current version, without need to deal with numeric search within NSString is to define macros (See original answer: Check iPhone iOS Version)
Those macros do exist in github, see: https://github.com/carlj/CJAMacros/blob/master/CJAMacros/CJAMacros.h
Like this:
#define SYSTEM_VERSION_EQUA...
How to spyOn a value property (rather than a method) with Jasmine
... link = getABC('creosote');
link += "&category=" + String(cat);
link += "&event_type=" + String(type);
link += "&event_value=" + String(val);
i1.src = link;
}
The spyOn() below causes the "n...
Virtual/pure virtual explained
...le:
class Shape
{
public:
Shape();
virtual ~Shape();
std::string getName() // not overridable
{
return m_name;
}
void setName( const std::string& name ) // not overridable
{
m_name = name;
}
protected:
virtual void initShape() // overridab...
How do you delete an ActiveRecord object?
...
It's destroy and destroy_all methods, like
user.destroy
User.find(15).destroy
User.destroy(15)
User.where(age: 20).destroy_all
User.destroy_all(age: 20)
Alternatively you can use delete and delete_all which won't enforce :before_destro...