All Questions

1
answer

What maximum number of items can I put inside a ListT in C #?

I have several performance doubts in my application. What is the maximum number of items that I can get within my List<T> and what is "acceptable" within good practices.     
asked on 01.08.2017 / 17:04
2
answers

How to use multithreading with arduino

I'm making a doorbell with arduino. This bell will be composed of: 01 Arduino ONE, 01 Buzzer, 01 Transmitter 433 Mhz, 01 Receiver 433 Mhz. My question revolves around how I can handle the listener who will be listening the controls...
asked on 09.02.2015 / 02:56
1
answer

What is it, what is it for and when do I use Friend?

Code sample: Friend Const Public Frind     
asked on 18.12.2014 / 12:11
1
answer

Vectors and Angles (Molecular Geometry)

Hello, I have a problem, more mathematical than computational, to solve, but I have not been able to solve it myself until now ... I have a set of 3 atoms connected to each other forming an angle X between the bond. I need to implement a c...
asked on 19.07.2014 / 18:52
1
answer

How to Create DropDownList in ASP.NET MVC 4

Could you help me create a DropDownList in MVC4? I have the class ProjetoFuncionario which is an associative class of Projeto and Funcionario . Should I create a class for DropDown? I'm having a hard time crea...
asked on 15.11.2014 / 21:45
2
answers

Convert XML to array in PHP

I'm looking for article names through this link: [http://api.elsevier.com/content/search/index:SCIDIR?query=heart+attack&apiKey=20d0c7953f56925f725afe204869dadb&xml-decode=true&httpAccept=application%2Fxml][1] You are returning...
asked on 20.01.2015 / 16:55
2
answers

How do I work with REGEx on name validation?

I tried in several ways to develop a Regular Expression that validates: maximum length of 60 characters can not be number can not have accents, cedille and punctuation the first letter of the name uppercase and the lower case. Examp...
asked on 04.11.2014 / 18:37
2
answers

How to import data from excel pro R?

I have a table in excel that I need to import into R. I was able to do this quietly with the read.csv function when the table in question was online, but I'm having trouble importing the file directly from my computer. As the code I'm doing will...
asked on 04.06.2014 / 06:26
3
answers

Upload content automatically by the end of the page

I want to do an automatic type pagination of Facebook, which when it reaches the bottom of the page it automatically loads another page with more posts. I've already researched the subject and found nothing that could really help me to the point...
asked on 16.06.2014 / 21:49
1
answer

Polymorphism in Java

Example: // Super classe: Carro abstract public class Carro { String nome; public void andar(){ // anda } } // Sub classe: Fusca public class Fusca extends Carro { public void andar(){ super.andar();...
asked on 13.01.2015 / 16:59