Reading a book about the Java language, I came across some operators that I had never seen before. They are: >> , << , >>= , <<= , >>> , <<< , >>>= and...
I have a function in C #, where I decrypt a string and need to convert to a function in SQL Server for technicians to be able to work with the decrypted value.
There is a foreach , which I do not understand how it works:
var calculoChave...
What is the difference between ++$variavel to $variavel++ ?
I realize that when I execute a for with both forms, the results are the same.
Example 1:
for ($i = 0; $i < 3; $i++) echo $i;
Prints:
0
1
2
Exampl...
I have a question regarding the precedence of operators in JAVA. I have the following code:
int x = 2;
long y = 1 + x * 4 - ++x;
Viewing the precedence table here .
In my view the expression should be resolved as follows:
1 + x * 4 -...
What is the real difference between the two operators.
I know that the (->) operator is used when the variable is a pointer, and that it is equal to (*ptr).membro . Well, if I declare a pointer of the type of a structure, I mu...
What is the meaning of using & with operators and functions in PHP since I checked in some libraries Example and functions this use (I am aware of the use next to variables has relation to the passing of pointers)
$browser...
Imagine the following scenario.
int i = 2;
if(i >= 2)
{
//....
}
When we could simply summarize for;
int i = 2;
if(i > 1)
{
//....
}
My doubts with these two expressions are as follows:
When a low-level language interp...