All Questions

2
answers

What are "mixins" in JavaScript?

What are "mixins"? I see in some JavaScript codes and would like to know what it is; actual examples of usage.     
asked on 31.07.2014 / 00:16
1
answer

What is the advantage of a semicolon in programming languages?

I know that in programming languages like Java and C #, the semicolon indicates the end of the statement, as in the example below, in C #: System.Console.WriteLine("Hello, World!"); However, there are still languages in which the semicolon...
asked on 27.02.2017 / 01:16
1
answer

What is parse, and how DOM parse works in HTML5

I started to study CSS3 in depth, and I ended up wanting to better understand how HTML rendering works in the Document Object Model (DOM), and how to do this joining of HTML and CSS (and JS) style tags in the browser . I've read a lot, but he...
asked on 21.11.2015 / 19:14
2
answers

What's the difference between using FileInputStream and FileOutputStream or Scanner and PrintStream?

Is there a big difference between using these classes?     
asked on 01.09.2015 / 02:33
2
answers

Instantiate interface - What's the use? [duplicate]

I learned in college and in all materials that I saw that the interface serves to define a standard that classes should follow and interfaces can not be instantiated. However I came across projects that have an interface and a class that imple...
asked on 16.08.2016 / 02:39
3
answers

In bash, what is the difference between, and?

I'm now learning to tinker with bash (Ubuntu Terminal) and would like to understand the difference between these three operators. I think < is related to files, but I can not explain what it does descriptively. I think it's t...
asked on 26.08.2015 / 18:35
2
answers

Is there a hash structure in R?

Is there any hash structure in R, similar to the Python and javascript dictionaries? This makes programming a lot easier.     
asked on 29.04.2015 / 22:30
1
answer

Why should we use functions that start with mb_?

Sometimes, problems arise in PHP in relation to some string functions, because of the string's qualification. An example is strlen . $a = strlen('str'); $b = strlen('stré'); var_dump($a, $b); // Imprime 3 e 5 See in IDEONE...
asked on 05.08.2015 / 17:06
1
answer

Non-standard C libraries ANSI

I am aware that, a C program in the ANSI standard can be compiled in both Windows on both Linux. But when it comes to using sockets ? Is this not part of the ANSI C pattern? Because when I use sockets in Windows, I have to use a libra...
asked on 12.08.2015 / 14:54
2
answers

What are refresh token, access tokens, and grant type?

I was researching about security in REST APIs and found the terms refresh tokens, access tokens, and grant type by referring to how tokens and how the client requests the features What are they and what are their differences?     
asked on 29.10.2018 / 18:10