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Generics in C#, using type of a variable as parameter [duplicate]
...safety - which means that types need to be known at compile-time.
You can call generic methods with types only known at execution time, but you have to use reflection:
// For non-public methods, you'll need to specify binding flags too
MethodInfo method = GetType().GetMethod("DoesEntityExist")
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CS0120: An object reference is required for the nonstatic field, method, or property 'foo'
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It looks like you are calling a non static member (a property or method, specifically setTextboxText) from a static method (specifically SumData). You will need to either:
Make the called member static also:
static void setTextboxText(int resu...
System.Data.SQLite Close() not releasing database file
...nce and for all, so here is what I've found so far.
What happens when you call SQLiteConnection.Close() is that (along with a number of checks and other things) the SQLiteConnectionHandle that points to the SQLite database instance is disposed. This is done through a call to SQLiteConnectionHandle....
Android: TextView automatically truncate and replace last 3 char of String
If a String is longer than the TextView 's width it automatically wraps onto the next line. I can avoid this by using android:singleLine (deprecated) or by setting android:inputType="text" . What I need now is something that replaces the last 3 characters of my String with " ... ". Since I'm...
Differences in string compare methods in C#
...therStringValue
Is not the same as stringValue.Equals().
The == operator calls the static Equals(string a, string b) method (which in turn goes to an internal EqualsHelper to do the comparison.
Calling .Equals() on a null string gets null reference exception, while on == does not.
Object.Referen...
Function for Factorial in Python
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@J82: The concept used here is called recursion ( en.wikipedia.org/wiki/Recursion_(computer_science) ) - a function calling itself is perfectly fine and often useful.
– schnaader
Nov 7 '14 at 10:06
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Why does printf not flush after the call unless a newline is in the format string?
Why does printf not flush after the call unless a newline is in the format string? Is this POSIX behavior? How might I have printf immediately flush every time?
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How to prevent going back to the previous activity?
...ers to go back to. For instance, in your sign in activity, right after you call startActivity, call finish(). When the users hit the back button, they will not be able to go to the sign in activity because it has been killed off the stack.
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p vs puts in Ruby
...> #<T:0xb7ecc8b0 @i=42>
This follows directly from the .inspect call, but is not obvious in practice.
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Stateless and Stateful Enterprise Java Beans
...ns. If stateless session beans do not retain their state in between method calls, why is my program acting the way it is?
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