Why in PHP is it possible to call a function before the line where it was declared?
echo ah(); // 'Ah!'
function ah() {
return 'Ah!';
}
Notice that I called ah() first, then declared. Even so, she was executed. But the function...
From what I've noticed, there are several CLIs. Example:
Ionic CLI
Angular CLI
Cordova CLI
But what exactly is a CLI? Is it possible to use these frameworks without the use of these CLI's?
For testing purposes, I'm porting an application from version 7 to version 9 of Java.
This application has some features that use Observer and Observable .
I noticed that both have become obsolete:
@Deprecated(since="9") pub...
I have an enum (enumeration) calling Notas and I need to get the integer corresponding to one of its constants.
public enum Nota
{
Otimo = 5,
MuitoBom = 4,
Bom = 3,
Regular = 2,
Ruim = 1,
Insuficiente = 0
}
I...
What are the main differences between the Swing and AWT interface building libraries, regarding the way components are rendered and performance rendered?
I have a structure like this:
<div class="container">
<span class="iconset"></span> <!-- primeiro elemento -->
<span class="iconset"></span>
</div>
<div class="container">
<span cl...
This code does not return anything, why? I'm running in event "window.onload":
if(innerHeight in window){
console.log('true');
}
I had used the operator again and again, and it worked, but now it came to me ... And then, can anyone hel...