In a video tutorial the instructor said not to fall into foolish to think that the foreach loop is one, and was vehement that he was an iterator.
There are cases where we can scroll through the items in an array using foreach as a "compact fo...
I need to check if listaContrato items exist in listaPendencia , if there is no enable to false to be disabled on the screen.
What can I do to improve the performance of foreach below? Both lists are List<>...
Why in%% we need to always declare a variable.
Example:
for(Pessoa pessoa : pessoas) {
//qualquer coisa
}
In other words, I want to know why you can not do this:
Pessoa pessoa;
for(pessoa : pessoas) {
//qualquer co...
In PHP, not only arrays are iterable, but also some specific objects. For example, objects that implement the interface Iterator or even IteratorAggregate . Another example is stdClass and ArrayObject , which ite...
Follow the code below:
% of EF6%:
var result = ctx.Table.Where(x => x.User == "João").ToList();
result.ForEach(x => x.Read = true);
ctx.SaveChanges();
ForEach() of C #:
var result = ctx.Table.Where(x => x.User == "João...
In the two ways below, which one performs better?
For :
for( $x=1; $x < 31; $x++ )
echo $x . PHP_EOL;
Foreach + range :
foreach( range(1,30) as $x )
echo $x . PHP_EOL;
I know the difference will proba...
When we use a foreach loop, does the local variable we create to receive the content of the list in question pass by value or reference?
Ex:
foreach (var item in listItems)
{
//TODO
}
Does item receive content by value o...
I've read articles from some programming languages that the for loop is faster than the foreach , and was wondering if C # has performance differences? >
I need to iterate several collections and if I find a condition I have to exit more than one iteration loop.
Ex:
foreach ($order->getItemCollection() as $item) {
foreach ($order->getFreight()->getPackageCollection() as...
I built two simple classes:
import java.util.ArrayList;
import java.util.List;
public class Aluna {
String nome;
String idade;
String cpf;
List<Aluna> listar(){
ArrayList<Aluna> aluns = new ArrayList<>();
Aluna...