All Questions

6
answers

How to create a password reset link?

I'm developing a site that has user registration area, the password is encrypted for increased security on the site, however when the user forgets the password how can I return the password from him unencrypted? I've seen a number of sites wh...
asked on 28.02.2014 / 18:07
2
answers

JavaScript - Variable access

Situation I'm deepening my JavaScript study, and I had a small question. At closure , encapsulation and variable scope , all show how to use var and talk about Local and Global scopes, however in all the examples I've seen always us...
asked on 28.10.2015 / 15:03
4
answers

How to detect if an HTML element is empty?

How can I detect if an HTML element is empty with jQuery? I need to make a condition if the element is empty.     
asked on 06.01.2014 / 19:48
3
answers

What are the most common problems and dangers when enabling 'register_globals' in php?

Recently I asked the following question How the file gets $ _POST ? Based on the comments and the answer I was interested in knowing the main problems and dangers of having this function enabled in php.ini?     
asked on 22.09.2014 / 15:56
2
answers

How do I round numbers to the nearest integer?

I have double numbers as double a = 0.4, b = 0.5; How do I round up?     
asked on 21.12.2013 / 17:59
2
answers

Why does Google Chrome accuse me of missing jquery.min.map?

I downloaded the version of jQuery 1.10.1 minimized and Google Chrome is alerting on the tools for developer, Network tab, jquery.min.map was not found: Error 404 Note: jQuery works correctly. Is this jquery.min.map a new...
asked on 18.12.2013 / 15:40
3
answers

Is it correct to say which interface solves the problem of multiple inheritance in Java?

It is known that Java does not support multiple inheritance . Is it correct to say that the interface concept solves the problem of multiple inheritance in Java? If so, why?     
asked on 27.09.2015 / 05:49
2
answers

Difference between datetime x timestamp?

I am building a diagram in the MySQL Workbench and this question came to me, what is the difference between the two? I'm going to work with this base in Java, does java have a problem with any of them?     
asked on 26.02.2015 / 20:32
2
answers

Is it acceptable to use h2, h3, p, div tags inside anchors (a / a)?

Is it acceptable in SEO and semantics to use tags like <h2> , <h3> , <p> and <div> within <a href=""></a> ? I noticed that to make items on a page people usually use a struct...
asked on 11.01.2016 / 15:49
6
answers

Remove accents

I need to know how to remove the accents of a data in a column. # Eu tentei > library(stringr) > a <- dados$Municipio[2] > a [1] "Arapeí" > str_replace_all(a, "[í]", "i") [1] "Arapeí" # outra tentativa > iconv(a, to="ASCI...
asked on 11.01.2015 / 01:16