All Questions

1
answer

What does 1e + 24 console mean?

I noticed that when I type in the chrome console 1000000000000000000000000 it returns me 1e+24 . And when I type 1000000000000000009901591 it also returns me 1e+24 and 1000000000000000000000000 is different f...
asked on 01.04.2014 / 19:23
2
answers

I can not set margin-top / bottom / right for block element, why?

I have a <p> element inside a <div> , like this: HTML <div> <p>texto</p> </div> CSS div { width: 30px; height:30px; background-color: green; } p { width: 30px; height:30px;...
asked on 28.01.2014 / 22:06
4
answers

Subtract two TIMESTAMP and receive the value in minutes in Oracle

How to subtrair two fields TIMESTAMP and receive the value in minutos in oracle ? DATAFIM - DATAINICIO = 2880 minutos (ou dois dias)     
asked on 29.04.2014 / 15:10
4
answers

Remove jquery field mask

I have this code to put mask in the field: (function ($) { $(function () { $("#txtCnpjPesquisa").mask("99.999.999/9999-99"); }); })(jQuery); Now here I need to pass the cnpj($("#txtCnpjPesquisa").val()) field without...
asked on 05.05.2014 / 18:47
3
answers

Problem using paragraphs in JSON file

I'm creating a web application which uses JSON files to save site content. In these files are saved small text fragments containing paragraphs. When I try to separate the paragraph using a \n\ or \n or \r\ or \r , I...
asked on 12.12.2013 / 13:13
3
answers

Difference between $ .ajax (), $ .get () and $ .load ()?

What is the difference between $.ajax() , $.get() and $.load() ? What is the best to use and in what conditions?     
asked on 24.09.2018 / 18:36
1
answer

Inheritance at compile time?

I was reviewing some codes and some concepts when I found the following assertion:    The inheritance mechanism in Java occurs at compile time, that is,   reuse of code by inheritance is unchanged in   run time I spent a lot of time tryin...
asked on 21.11.2018 / 19:04
1
answer

Letter after a number, what is this called?

What's the name of it? double d1 = 0d; decimal d2 = 0L; float d3 = 0f; And where can I find a character reference that I can use? If I want to do a cast from 0 to short , is there any letter for this?     
asked on 22.12.2013 / 01:46
2
answers

Change title style within a tag

Is it possible to change the CSS-only style of the title attribute that some HTML tags have? <a href="#" title="Alterar esse estilo aqui">Passe o mouse</a> Note that by default it has only this yellow background...
asked on 22.10.2018 / 15:56
1
answer

Difference between HashMap and TreeMap

What are the main differences between HashMap and TreeMap ? In relation to the use, in which situations is the use of each one recommended?     
asked on 08.11.2018 / 12:12