All Questions

1
answer

How does a CAPTCHA work?

I understand that a CAPTCHA is a way for me to ensure that the user interacting with my system is a human and not a script. But this is the simple explanation we give to lay people. How do CAPTCHAs really work, and what strategies do they use...
asked on 11.07.2017 / 14:29
5
answers

Delphi is an IDE or programming language?

Through a question that appeared here What is a programming language, IDE and compiler? , I had a question: Is Delphi an IDE or programming language? I've heard programmers working with Delphi say Delphi is an IDE used to program in Pascal....
asked on 03.12.2015 / 12:11
4
answers

What is the difference between; and & in a URL?

I was looking at a website to add in a C # application, I noticed a link similar to this: www.site.com.br/index.php?post=yes;user=1521; The parameters are separated by ; (semicolon). I accessed the same page by changing the ;...
asked on 26.01.2016 / 18:11
1
answer

OpenSSL and ASP.NET WebAPI

I'm developing an internal application, but in a certain module I'll need to traffic some sensitive data. A priori I thought about using SSL, but due to limitations ( non-technical ) I would not be able to do so, so I thought about using Open...
asked on 31.05.2016 / 13:56
1
answer

Difference between Task and Thread

I need to create a C # executable and I have the doubts: Do with thread or do with task ? In practice is there any difference between using Task and the "traditional" multi-thread ?? Is it true that a task...
asked on 13.04.2016 / 18:57
2
answers

Compile string as code

How can I compile a string inside C #? Example: Console.WriteLine(\"Hello World\"); . As if it were a eval of JavaScript? I had a project to load a code into a text file or something else.     
asked on 10.05.2014 / 02:10
5
answers

What does NaN mean in javascript?

When we have an error in adding a number to JavaScript, NaN is returned. Example: parseInt('a') + 3; //NaN What does NaN mean?     
asked on 13.10.2015 / 22:59
6
answers

How to simulate a higher resolution screen to check the behavior of a website?

Is there any way to simulate a higher resolution screen to see how a site behaves? I currently use 1440x900 and need to test the interface at higher resolutions.     
asked on 14.03.2014 / 02:10
3
answers

SQL in the code or in the database?

I have a big question as to where to put my query SQL, whether in the code or the bank . I currently have a procedure that is set up according to the parameters I have, ie filtros . Procedure @escopoVerificacao varchar(MAX) =...
asked on 24.02.2015 / 21:20
2
answers

What is the difference of file js with .min and without .min? [duplicate]

What is the JavaScript difference that contains .min (for example jQuery.min.js ) and the file without .min (for example jQuery.js )?     
asked on 18.04.2016 / 16:48