All Questions

2
answers

Conceptual Model

I was looking at the conceptual model diagrams, I saw some that contains the Attributes and Entities like this: AndothersthatonlyhavetheEntity: Which model is correct? or are the two of you? Is it necessary to identify attributes in...
asked on 30.04.2016 / 02:42
1
answer

RowFilter.regexFilter does not filter columns of type Date in JTable

I have JTable with a TableModel custom, and I'm trying to run a search field using JTextField . However, columns of type Date and my class Cadastrante are not searched. In my TableModel , I overwritten...
asked on 08.04.2016 / 15:27
1
answer

laravel Authentication 5.2

I'm trying to log in to laravel 5.2 but is not authenticating the user to the table. In the file auth.php I changed the validation table to login : 'guards' => [ 'web' => [ 'driver' => 'session',...
asked on 19.05.2016 / 04:24
2
answers

Attempting to generate a graph of a time series

That's what I did .. #Lê a base de dados ano1<-read.csv("os dados abaixo...",header = TRUE ,sep=";", row.names=1) #Cria a série temporal ano<-ts(ano1[,1],start=c(2009,1), end=c(2010,12),freq=12) #plota a série plot(ano,ylab='indice', x...
asked on 07.06.2016 / 20:38
2
answers

Convert column from date frame of characters to numeric

When trying to convert the text values of the columns of a data.frame , created using Stringasfactor = FALSE , numeric, I got an abnormal result by coercion: > str(ccredito$Restaurantes) chr [1:20] "49,74" "15,98" "59,4" "14" "...
asked on 12.05.2016 / 21:30
1
answer

Difference between laravel new project and composer create-project commands

What is the difference between the laravel new nome-projeto and composer create-project laravel/laravel nome-projeto --prefer-dist ? In both cases the result is the same but in the case of the composer path, the project folder ta...
asked on 13.04.2016 / 13:36
1
answer

php artisan command serves by running multiple hosts

I am developing two applications, one that will be my front and another the backend, it happens that when I upload the applications to development laravel only enables one application, but it responds on both hosts. To get clearer, I'll expla...
asked on 30.05.2016 / 05:38
1
answer

Compare Coordinates

In my mysql I have a column where it contains positioning coordinates coming from a polygon, drawn in google maps api, the question is how can I compare the coordinates I have inside the column with a specified coordinate coming from a GET I'...
asked on 26.03.2016 / 20:46
2
answers

Duplicate value in the table. How to remove?

I inserted a TSE tables into my database and have duplicate values from the SQ_CANDIDATO column representing the image placed above. How can I do a maintenance with sql that will remove ALL ID ? ... Leave only one SQ_CANDID...
asked on 06.03.2015 / 04:36
1
answer

Error as.POSIXlt.character when importing MDB in R

Hello, I looked for this answer all over the internet and I did not find:) I am importing an MDB (Ms Access db) into R Studio (Windows 7 R v32b) using RODBC but when I give the sqlFetch command I am having an error importing a date column that...
asked on 18.05.2016 / 00:36