All Questions

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RamDrive with video card ram

I use the R language for heavy matrix calculations. I'm using gpu for performance gain, which is fantastic indeed. However, I would like to take another step and dump the 2gb matrix of data directly into the ram of the video card Or maybe,...
asked on 03.04.2015 / 01:40
2
answers

Demoiselle JUnit - NullPointerException

When running a unit test with br.gov.frameworkdemoiselle.junit.DemoiselleRunner , the following error is occurring at the end of the test run: java.lang.NullPointerException at br.gov.frameworkdemoiselle.internal.bootstrap.SeBootstr...
asked on 22.02.2015 / 16:18
2
answers

Questions about DAO, MVC, Multiple Tables and POJO

If someone can help me, I have a question that has been consuming me a lot in recent days and is psychologically locking my studies (hehehhe) MVC and DAO with multiple tables. I will put here a model, an idea and then evolve my doubts: We ima...
asked on 30.11.2015 / 20:45
2
answers

Where does Git pull point?

I was reading the Git documentation on pull and I ended up getting confused: So let's create a hypothetical sequence: I've cloned the repository I made a git branch that shows only the master. The command git branch -a s...
asked on 29.08.2017 / 20:22
2
answers

Report showing column index

I have a question for generating a report, I need it to get the data from an SQL table and instead the name of the precise table of its ID, below the data that the query generates COD_CLIENTE NOME ENDERECO CPF...
asked on 06.05.2015 / 20:21
1
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What is collation? [duplicate]

I never knew exactly what it means. I know it has to do with the encoding of the data that will be inserted into the table, but besides, is there any more specific reason to select a collation ? I have some doubts: In the case of a da...
asked on 13.03.2017 / 14:11
1
answer

Progressive and cumulative hours counter with days

I have a project where I must accumulate hours worked for a service in a project, it should store in the bank the hours / days. Then when started, if there is no previous time it starts from zero, but if there has already been a step previous...
asked on 07.12.2015 / 13:14
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Convert MMMM-YYYY data to dd / mm / yyyy datepicker bootstrap

I have the following date field: <div class='input-group date input-data' id='datetimepicker4'> <input type='text' name="mes" id="mes" class="form-control hidden" /> <span class="input-group-addon hidden"> <...
asked on 29.09.2016 / 13:44
1
answer

Is there any way to save the webcam through HTML5?

I know there is a way (I've even used it on at least 5 systems that I've developed) to open the webcam through HTML5 and capture a photo (I do this using canvas ). Html5 Camera Capture Sample But I had a question: Can I capture this...
asked on 06.11.2017 / 14:32
2
answers

How to use random in C ++?

I would like an example of using the random in C ++ because I need to use it but I do not know how it works.     
asked on 16.05.2015 / 17:16