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My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(())
...has taught me is what is known as the "most vexing parse", which is classically demonstrated with a line such as
5 Answers
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How to do a case sensitive search in WHERE clause (I'm using SQL Server)?
...on the same way with the LIKE statement. Simply do the following to return all upper case 'D's. "SELECT * FROM SomeTable WHERE ColumnName like '%D%' COLLATE SQL_Latin1_General_CP1_CS_AS"
– Radderz
Dec 12 '16 at 12:19
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When to use in vs ref vs out
...ss you need ref.
It makes a big difference when the data needs to be marshalled e.g. to another process, which can be costly. So you want to avoid marshalling the initial value when the method doesn't make use of it.
Beyond that, it also shows the reader of the declaration or the call whether the ...
How to post data to specific URL using WebClient in C#
...s the garbage collector will clean up unmanaged resources and the like by calling the destructor (e.g., WebClient inherits from Component, which contains ~Component() {Dispose(false);}). The problem is that the garbage collector may take an arbitrarily long time to do so, since it does not account ...
What is the definition of “interface” in object oriented programming
... one of the more overloaded and confusing terms in development.
It is actually a concept of abstraction and encapsulation. For a given "box", it declares the "inputs" and "outputs" of that box. In the world of software, that usually means the operations that can be invoked on the box (along with ar...
Response.Redirect to new window
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Dude, this is fantastic solution that actually works! Thank you.
– Klaus Nji
Nov 14 '14 at 21:31
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What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
...es <limits.h> are applicable.
In terms of long double, that's actually a floating point value rather than an integer. Similarly to the integral types, it's required to have at least as much precision as a double and to provide a superset of values over that type (meaning at least those valu...
How to check if a map contains a key in Go?
...ring) and ok will receive a bool that will be set to true if "foo" was actually present in the map
evaluates ok, which will be true if "foo" was in the map
If "foo" is indeed present in the map, the body of the if statement will be executed and val will be local to that scope.
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Can a C# lambda expression have more than one statement?
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(I'm assuming you're really talking about multiple statements rather than multiple lines.)
You can use multiple statements in a lambda expression using braces, but only the syntax which doesn't use braces can be converted into an expression tree:
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Immutable vs Mutable types
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Almost, but not exactly. Technically, all variables are passed by reference in Python, but have a semantics more like pass by value in C. A counterexample to your analogy is if you do def f(my_list): my_list = [1, 2, 3]. With pass-by-reference in C, the val...