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Which is more efficient, a for-each loop, or an iterator?
...tor underwater.
If however, you mean by loop the old "c-style" loop:
for(int i=0; i<list.size(); i++) {
Object o = list.get(i);
}
Then the new for loop, or iterator, can be a lot more efficient, depending on the underlying data structure. The reason for this is that for some data structure...
Read/Write 'Extended' file properties (C#)
...bjFolder;
objFolder = shell.NameSpace(@"C:\temp\testprop");
for( int i = 0; i < short.MaxValue; i++ )
{
string header = objFolder.GetDetailsOf(null, i);
if (String.IsNullOrEmpty(header))
break;
arrHeaders.Add(header);
}
foreach(Shell32.Fo...
What is the difference between a “function” and a “procedure”?
...ramming languages. However, I just found out that I use these terms almost interchangeably (which is probably very wrong).
...
Filling a DataSet or DataTable from a LINQ query result set
...w>; you will see the following compilation error:
Cannot implicitly convert type 'System.Collections.Generic.IEnumerable' to 'System.Collections.Generic.IEnumerable'. An explicit conversion exists (are you missing a cast?)
...
Java - No enclosing instance of type Foo is accessible
...to be meaningful. For example, if we had:
public class Hello {
public int enormous;
public Hello(int n) {
enormous = n;
}
public class Thing {
public int size;
public Thing(int m) {
if (m > enormous)
size = enormous;
...
How to compare Lists in Unit Testing
... Assert.Fail("Collections are not same length");
}
for (int i = 0; i < oneArray.Length; i++)
{
var isEqual = comparisonFunction(oneArray[i], twoArray[i]);
Assert.IsTrue(isEqual);
}
}
...
Set inputType for an EditText Programmatically?
...Text;
TextView textView;
List<InputTypeItem> inputTypes;
int counter = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
editText = findViewById(R.id.editTex...
How to implement OnFragmentInteractionListener
...eloper.android.com/training/basics/fragments/communicating.html
Define an Interface
public class HeadlinesFragment extends ListFragment {
OnHeadlineSelectedListener mCallback;
// Container Activity must implement this interface
public interface OnHeadlineSelectedListener {
pub...
When & why to use delegates? [duplicate]
... Personally, it feels to me that using delegates split up your code into units and make it tons more manageable. Great mechanism to use in conjunction with unit testing if most of your methods have the same signature pattern
– Eon
Jul 11 '14 at 11:22
...
What is the behavior of integer division?
...always be the floor of the division? What is the defined behavior?
Yes, integer quotient of the two operands.
6.5.5 Multiplicative operators
6 When integers are divided, the result of the / operator is the algebraic quotient with any
fractional part discarded.88) If the quotient a/b is...