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How can I change the EditText text without triggering the Text Watcher?
...
Your hint is enough for me. Actually I was registering the listener in onResume but not de-registering in onPause(), so it was calling multiple times.
– Smeet
Jun 7 '17 at 12:04
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Get output parameter value in ADO.NET
...nd type)
SqlParameter outputIdParam = new SqlParameter("@ID", SqlDbType.Int)
{
Direction = ParameterDirection.Output
};
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(outputIdParam);
conn.Open();
cmd.ExecuteNonQuery();
// Some various ways to gra...
Passing an array by reference
...ant a reference to an array, rather than the (invalid) array of references int & array[100];.
EDIT: Some clarification.
void foo(int * x);
void foo(int x[100]);
void foo(int x[]);
These three are different ways of declaring the same function. They're all treated as taking an int * parameter...
How do I call one constructor from another in Java?
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Yes, it is possible:
public class Foo {
private int x;
public Foo() {
this(1);
}
public Foo(int x) {
this.x = x;
}
}
To chain to a particular superclass constructor instead of one in the same class, use super instead of this. Note that y...
Unsigned keyword in C++
...d long. When one of these type modifiers is used by itself, a data type of int is assumed
This means that you can assume the author is using ints.
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Average of 3 long integers
I have 3 very large signed integers.
12 Answers
12
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Fixed size queue which automatically dequeues old values upon new enques
...ue<T>();
private object lockObject = new object();
public int Limit { get; set; }
public void Enqueue(T obj)
{
q.Enqueue(obj);
lock (lockObject)
{
T overflow;
while (q.Count > Limit && q.TryDequeue(out overflow)) ;
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What is the effect of extern “C” in C++?
What exactly does putting extern "C" into C++ code do?
15 Answers
15
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Overloading and overriding
...t signatures.
//Overloading
public class test
{
public void getStuff(int id)
{}
public void getStuff(string name)
{}
}
Overriding
Overriding is a principle that allows you to change the functionality of a method in a child class.
//Overriding
public class test
{
public...
Do the parentheses after the type name make a difference with new?
...e of initialization, value initialization was added.
Assume:
struct A { int m; }; // POD
struct B { ~B(); int m; }; // non-POD, compiler generated default ctor
struct C { C() : m() {}; ~C(); int m; }; // non-POD, default-initialising m
In a C++98 compiler, the following should occur:
new A ...