All Questions

1
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How to manage a project with several variations?

How do you manage the development of an application that is replicated to multiple clients? My scenario: One web application and 2 apps (1 for iOS and 1 for Android). For each client the base (master) is reused and specific resources...
asked on 30.03.2016 / 22:56
1
answer

How to keep the url fixed?

I'm using mod_rewrite to rewrite the url, but I'd like to leave it fixed, eg: www.meusite.com.br/index.html www.meusite.com.br/produtos.html www.meusite.com.br/contato.html Ficar apenas: www.meusite.com.br How can I do this?     
asked on 18.01.2016 / 20:02
1
answer

Digital Signature of NFE (Electronic Invoice) [closed]

I'm developing the NFE in the Python language, I already generate the XML, I can send it to Webservice and I get the answer, what I need now is the digital signature The signature is an xml tag with some values, follow the template <NF...
asked on 29.09.2015 / 21:57
3
answers

How to identify if a string is a palindrome?

A palindrome is a word or phrase that has the property of being read from right to left or from left to right. For example, strings "aaaaa" , "1221" , "bbaabb" are palindromes, however the string "chef" is not a palindr...
asked on 28.03.2016 / 21:53
1
answer

Error entering data into bank, EF 6

I'm trying to insert data into the database, but I have an error doing saveChanges(); after doing context.add() several times, it's happened after 500, 2200, and 5500 times. Error: The transaction associated with the current...
asked on 16.10.2015 / 22:00
1
answer

dbExpress Migration to FireDAC

I'm migrating from a dbExpress system to FireDAC , the system is in three tiers >), I have changed components on the server side from SQLConnection to FDConnection , and SQLDataset to FDQuery , on the client side t...
asked on 13.10.2015 / 04:39
1
answer

How to query in ManyToMany tables?

I have two tables / entities in the database with the following attributes: Car (code, plate, color) Accessory (code, description). public Carro buscarCarroComAcessorio(Long codigo) { return (Carro) em.createQuery("select c from Carro...
asked on 07.10.2015 / 15:28
2
answers

I can not create class in php and use connection with PDO

I am creating a class that looks for database data to be displayed. For example, one of the functions of the class is to pick the date, from a die, in the bank and display it on the screen. The way I'm doing, it's not working. Follow my code...
asked on 29.10.2015 / 03:29
1
answer

Integration between PHP and R

I am developing a project with php and I decided to use R for statistical calculations. But I'm not sure how to do this integration. If there is a "design pattern" for situations like this.     
asked on 29.10.2015 / 13:10
1
answer

How to test an asp.net mvc controler using Moq and Entity Framework 6

My controller: [Authorize] public class DominioController : Controller { private IDominioDB _db; public DominioController(IDominioDB db) { _db = db; } // GET: Dominio publi...
asked on 06.10.2015 / 03:09