All Questions

2
answers

What is Travis CI?

I'm doing a research on software testing (integrated testing, debugging and maintenance environments) and I found this Travis CI, but my English is not very good and I did not find articles in Portuguese. Basically, what is Travis CI for? And ho...
asked on 12.04.2017 / 00:57
3
answers

Why methods that operate pointers are insecure in .NET?

Reading a little of the .NET source code I noticed that some methods have a peculiar modifier, the unsafe . [System.Security.SecuritySafeCritical] // auto-generated [System.Runtime.CompilerServices.FriendAccessAllowed] internal unsafe s...
asked on 09.10.2017 / 21:15
2
answers

What is Technology Singularity?

Whenever I read some news related to artificial intelligence I came up with the word singularity , and along with it comes the quintessential Technology. I have already researched the term, however, it is still confusing in my mind, I can not...
asked on 27.01.2018 / 18:45
2
answers

Is it worth using the W3C validator?

I ask this, because it seems that he accuses things that, I think, was not meant to accuse. For example: <!DOCTYPE html> <html lang="pt-br"> <head> <meta charset="UTF-8"> <title>Titulo do Si...
asked on 31.08.2017 / 14:02
1
answer

How to mark boldly sequentially triplicate and quadruplicate characters in a string?

I want to mark the triplicate and quadruplicate sequences of a string like this: $string = "AAACDEAAAABBBUUDD"; And I would like to get the following result: <b>AAA</b>CDE<b>AAAA</b><b>BBB</b>UUDD   ...
asked on 22.05.2017 / 19:03
2
answers

What is the "dirname" attribute in HTML?

I saw on the internet a code similar to this: <form action="/the-action"> First name: <input type="text" name="fname" dirname="fname.dir"> <input type="submit" value="Submit"> </form> I've never seen (this day) t...
asked on 10.07.2018 / 18:28
2
answers

Regular expressions: lazy function "?"

I've learned about using Regular Expressions and read some explanations about using the ? sign (called lazy ), such as # :    *? : Matches the previous element zero times or more, but as few as possible. In RegExr shows me...
asked on 19.06.2018 / 00:24
1
answer

Is it recommended to use loose return in a PHP file? When?

It's good practice to give a return in a simple PHP file example: <?php $config['teste'] = 123; return $config; I will explain better this file di / dependencias.php: <?php $container['daoExemplo'] = function ($c) { return n...
asked on 16.01.2018 / 15:13
2
answers

Is it possible to create an application in C / C ++ for Android?

I want to create an Android application using C or C ++ language. What are the advantages and disadvantages of this?     
asked on 01.06.2017 / 19:59
2
answers

Is there an equivalent to AndAlso and OrElse in C #?

In VB.NET there are two interesting operators: AndAlso and OrElse . When used, the logical expression is not fully evaluated at once. See the following example: If (Not Usuario Is Nothing) And (Usuario.Idade = 18) Then ... E...
asked on 27.07.2017 / 13:52