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Comparing object properties in c# [closed]
...perties which throw exception in other case. Here is the criteria for this error: pi.GetIndexParameters().Length == 0. And the second criteria to resolve the problem stated by @RyanThomas is this: pi.GetUnderlyingType().IsSimpleType(). As you will see, IsSimpleType is and extension that not exist fo...
When to use generic methods and when to use wild-card?
...add(o); // correct
}
}
But the following will result in compile time error.
static <T> void fromArrayToCollection(T[] a, Collection<?> c) {
for (T o : a) {
c.add(o); // compile time error
}
}
Immutable vs Mutable types
...ing that is immutable. You can not change its content. It will raise a TypeError if you try to change it. Also, if we assign new content, a new object is created instead of the contents being modified.
>>> s = "abc"
>>>id(s)
4702124
>>> s[0]
'a'
>>> s[0] = "o"
T...
Use C++ with Cocoa Instead of Objective-C?
... test1.cpp: In function 'int main(int, char**)': test1.cpp:26:48: error: cannot convert 'Class {aka objc_class*}' to 'id {aka objc_object*}' in initialization id pool = objc_getClass("NSAutoreleasePool"); ^ test1.cpp:41:61: error: cannot ...
C++ Singleton design pattern
...ctions should generally
// be public as it results in better error messages
// due to the compilers behavior to check accessibility
// before deleted status
};
See this article about when to use a singleton: (not often)
Singleton: How should it be used
Se...
How to declare a global variable in a .js file
...oes it alert "Hello" or "Howdy" ?
However, this is much cleaner and less error prone (you don't really need to remember all the variable scoping rules):
function foo() {
window.greeting = "Hello";
}
function bar(greeting) {
alert(greeting);
}
foo();
bar("Howdy"); // alerts "Howdy"...
Performance differences between debug and release builds
...ld run perfectly fine in Debug mode, but given the exact same input, would error out in Release mode. These bugs are EXTREMELY difficult to debug (by definition of Release mode, ironically).
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Is it possible to have nested templates in Go using the standard library?
...emplate.ExecuteTemplate(w, "base", DomainsData); err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
}
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The difference between the 'Local System' account and the 'Network Service' account?
... the external process starts up but it fails to create the COM object. The error returned from the COM object creation is not a standard COM error (I think it's specific to the COM object being created).
...
SecurityError: Blocked a frame with origin from accessing a cross-origin frame
...t using Javascript, but when I try to execute my code, I get the following error:
8 Answers
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