All Questions

2
answers

How to prevent content selection with CSS?

How to prevent text / content selection from my web page with CSS? This would be extremely useful for buttons, anchors, tags and other elements that could be selected without the user's interest ...     
asked on 18.12.2013 / 17:42
1
answer

What are SOLID principles?

Lately, I've heard a lot about the term but for me it's never clear whether it's a design pattern or a good practice in object orientation. It may be a very broad question, but why SOLID is useful and when should we use it? In particular wh...
asked on 20.01.2017 / 12:48
2
answers

What does "sanitize" data mean?

I'm making a form, and I'm performing the validation part ... I see a lot of the term sanitize or sanitizar , what does this mean? I've even seen some functions in php that take this term in its parameters.     
asked on 23.02.2017 / 21:32
1
answer

In what language was HTTP written when implemented on the Web?

I want to know in which language HTTP was developed.     
asked on 15.01.2017 / 13:38
1
answer

How to generate a pdf file containing the digital certificate information? [closed]

I have a PHP system that generates a pdf, and I need to use the client's Digital Certificate to sign this document. I've been reading documentation, and I've seen that the FPDF that I'm using does not yet support this method, since TCPDF give...
asked on 13.05.2015 / 03:29
1
answer

How to generate an .apk file in Android Studio?

If it is already generated in which folder it is located?     
asked on 07.02.2015 / 23:55
1
answer

Livestreaming with javascript

I am developing a Livestreaming project and would like to know if it is possible to do this using websockets , javascript and html5 video capture where you would have a webpage which would capture the webcam video (with ht...
asked on 17.06.2015 / 16:36
1
answer

How does the "positive lookahead" (? = X) combined with the "positive lookbehind" (? = X) work?

After answering this question , and though manage to realize what is occurring in the regular expression of my answer, I was curious to know how the ((?<=;)|(?=;)) excerpt works. I read in this answer what each one does, and al...
asked on 16.10.2017 / 12:21
1
answer

Denial of service with stress test

First of all, a stress test, according to this response from @guiandmag is:    The Stress Test consists of subjecting the software to extreme situations. Basically, stress testing is based on testing the limits of the software and evaluatin...
asked on 21.01.2016 / 12:57
1
answer

Asp.Net Identity, how to use only Roles or Claims?

Returning to the same subject: ASP.NET Identity with EntityFramework . Regardless of the size or planning of my project, if I need to use only the Roles part or just the Claims , is this possible? And most of all, how? Finally, i...
asked on 15.09.2014 / 03:16