I've noticed this a long time ago in Javascript.
If I write a particular code where the variable is not defined in any scope, an exception is thrown:
console.log(preco)
Result:
Uncaught ReferenceError: price is not defined
But...
When it comes to WEB systems What would be the safest and most used way for it to become invisible to search engines? I know there are "Goals" but I believe there must be more reliable ways
I need to access an id that has inside an external page that I'm rendering in an iframe on my site.
Permission error is occurring. How do I resolve this?
This is the link on the page:
link
Fiddle:
link
Observe my X-Frame-Options....
What happens in jeans_status and jeans_opcao it works a beauty more in the first if does not work, it enters if without checking whether imagem_status == 1 and imagem_opcao == 'galeria_imagem' .
Can anyon...
I have the following tables:
**Aula**
Id
Nome
Data
**Avaliacao**
Aula_Id
Aluno_Id
Organizacao
Didatica
To get a join of the tables I use the code:
var result = from a in mdc.SBE_AA_Aulas
join av in mdc.SBE_AA_AvaliacaoAlunos...
I have the following problem when I print this function
System.out.println("Area do Tetraedro = " + c1.getArea());
The value of it is very large, eg:
Area of Tetraedo = 389.71143170299734
How to leave it with two decimal places?...
I wanted to make a comparison between the date contained in the hour1 object with the system date, how can I do it?
import java.text.SimpleDateFormat;
import java.util.Date;
public class MainTarefas {
public static void main(String[] a...
I made this expression using Lambda and 2 tables.
var resultado = db.T_TarefaParceiro.Join(
db.T_OsParceiro,
t1 => t1.IDTarefaParceiro,
t2 => t2.IDTarefaParceiro,
(t1, t2) =...
I'm programming in Java and need to filter a String from a regex using the matches() method.
I can accept letters (a-z) or numbers (0-9), where this number can have 1 or n digits. I'm using the following regex: [A-Z|a-z|\d{n} ] ....
No IE has ActiveX that lets me know if a record exists.
Is there a way for Firefox and Google Chrome to let me know if a particular record also exists (using javascript) either through a plugin or another method?...