All Questions

2
answers

Pseudo-class behavior: nth-child

   Unfortunately the question marked as "possible duplicate" (and your   answers) address something else, specifically the   variable n in formulas passed in :nth-child() , which does not contemplate and do not answer the doubts exp...
asked on 31.12.2018 / 20:31
2
answers

Darken screen by clicking the search bar

On the Americas and Submarine websites, it has an effect that, when you click on the search bar, the whole site is slightly darkened to highlight the search bar. I do not know the name of the effect. But would it be possible to do something simi...
asked on 07.02.2018 / 00:31
2
answers

Identify cases with several conditions in several columns in the R

I have a 20-student dataframe and I need to identify the students who attended Stage 43 for two years or more. aluno <- c(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20) etapa_2012 <- c(42, 43, 44, 43, 42, 43, 44,...
asked on 04.04.2018 / 19:00
1
answer

Java PriorityQueue Comparator

I'm trying to understand why the native java mode is not comparing, I do not know where I'm going wrong. MAIN // EXERCICIO PARA COMPARAR DOIS OBJETOS, USANDO CLASSE NATIVA DE COMPARAÇÃO DO JAVA public static void main(String[] args) {...
asked on 17.01.2018 / 12:11
3
answers

How to Query a Value in a Table

I'm new to the Sql language, and I wanted to show the name of all people who are from the RS region, how could I do that? create database uri default character set utf8 default collate utf8_general_ci; use uri; create table pessoas( id in...
asked on 27.04.2018 / 20:14
2
answers

What is the best way to define access to the methods of a class I want to use for unit testing?

I have a Runnable class, which does a lot of things on my system. When I created her, I did not want to instantiate her methods out of her scope. So I wrote the methods as protected . Now, I'm trying to write some unit tests for...
asked on 12.07.2018 / 15:25
2
answers

Difference between ADO.NET and Dapper

What are the differences between the ORM's? When to use one and when to use the other? What are the disadvantages of each?     
asked on 19.07.2018 / 02:32
5
answers

Change return / Date (1386295200000) / to date format

I have a return of json that comes from SqlServer : /Date(1386295200000)/ How to convert to date format dd/mm/yyyy ?     
asked on 22.03.2018 / 20:12
2
answers

Can Hashes be different for the same bytes?

I found a flaw or I'm not sure how to deal with hashes . I have two random arrays , one generated by one algorithm and one original. I'm trying to make the algorithm look EXACTLY the same as the original. I visually managed, with the same byte...
asked on 13.01.2018 / 05:27
2
answers

Different Records

I have two tables: MATRICULA_A <-c(123,234,345,456) dados_1 <- data.frame(MATRICULA_A) MATRICULA_A <-c(345,456,111,222,333,444) dados_2 <- data.frame(MATRICULA_A) I need to extract only information from the dados_1 table...
asked on 23.11.2018 / 17:02