As we already know, MySQL has two functions to concatenate strings: CONCAT and CONCAT_WS .
Responding to a question, I saw that CONCAT does not yield the expected results when at least one of the values equals NULL ....
I have this code:
Scanner scan = new Scanner(System.in);
String s2 = scan.nextLine();
int i2 = scan.nextInt();
System.out.println("natural= " + i2);
System.out.println("cadena = " + s2);
That works correctly:
I'm doing a log in .Net which before and after each process will be filled string with the message:
"proceso x realizado \n"
"proceso y saltado \n" //porque o se realiza x o y
"proceso a fallo al sumar \n"
"proceso n [...] \n"...
I access an element of my page and I save it in a variable:
var nodo = document.getElementsByClassName('prueba');
if I do a
var nodo = String(nodo);
It does not work for me, I know it's an array of objects but if I pass it to a string...
I do not finish clarifying myself on how to combine variables and written strings directly.
We are going to use the variable $test :
Case 1 .-
Enclose the variable in double quotes " " works:
I fill a list from OpenFileDialog and I put it in "file" and then put it on the list like this:
foreach (string file in selectedFiles)
ListBoxItem lstItem = new ListBoxItem();
lstItem.Content = file; //File es la cadena de la...
Hello I have the following code in JS that detects me in a block of content if it has any of the following sequences of characters and they have to be replaced by images, the problem is that the replace function does not allow me to replace them...
I have the following string:
Var text='¡Hola $var1$! Gracias $var2$'
How can I replace what is between $ by the value of the variable.
Resultado='¡Hola Juan! Gracias Pedro'
The text can have more var...