All Questions

1
answer

Calculate tangent line by mouse / mouse coordinate

I want to calculate the tangent line to the points X and Y found by the mouse, limiting itself to the drawn circle ... I only managed to develop until the middle of the program. Can someone save me ?? I'm developing the program in processing...
asked on 13.05.2015 / 20:25
2
answers

Converting mp3 to ogg in php on joomla

I'm trying to convert an mp3 file to ogg using ffmpeg.exe The problem is that Joomla does not let me run an external file, even in the same directory. <?php exec('C:\path\to\ffmpeg.exe -y -i file.mp3 -acodec libvorbis file.ogg'); ?> T...
asked on 29.04.2015 / 21:31
1
answer

Is it possible to list all the districts of a city?

I'm using the Google Maps API, but I did not find any of the documentation related to anything, I'd like to list all the neighborhoods of a specific city, but the neighborhood items only appear if I type one street (in some cases you have to hav...
asked on 29.04.2015 / 21:11
1
answer

System.Web.resources.dll not found

We have a mvc3 / dotnet4 project, which consumes DCOM (c ++) servers through intertops. Both DCOM (c ++) servers and the mvc3 (c #) project were compiled with visual studio 2013. The projects have been migrated to visual studio 2015. In...
asked on 21.09.2015 / 15:29
3
answers

Media Player setDataSource

The function setDataSource() works with a url , but I need to fetch a file in my raw (for example). I used: Uri url = Uri.parse("android.resource://" + ctx.getPackageName() + "/" + R.raw.file); mediaPlayer.setDataSource(url.toStri...
asked on 11.08.2015 / 12:21
2
answers

How to tell if a socket client has disconnected?

I have a server that has a List with all clients connected. The client connects and the connection is managed on a unique thread with infinite loop communication. The problem when I drop the client or close the connection, I do not...
asked on 15.08.2015 / 04:23
1
answer

Problem with the datakeynames property of the listview component

I get the following error when running the application:    Message = DataBinding: 'DataMinds.Models.Focus.FlowerObject' does not contain a property with the 'Sector.Code' name. The error message refers to the ListView component, wh...
asked on 26.08.2015 / 16:57
2
answers

How to decode many columns from a data frame of R

I have a data frame with more than 300 columns that are categorical but are encoded as numeric. Each of these columns has its own "type", that is, it has its own coding table. My problem is to create a new data frame with decoded variables. I...
asked on 15.04.2015 / 19:07
2
answers

Eclipse is not recognizing CSS from the project with JavaFX

My project with JavaFX simply stopped recognizing my .css and the following error appears: An error has occurred. See error log for more details. java.lang.NullPointerException No error log appears as follows: Problems occurred when invok...
asked on 06.10.2015 / 01:00
1
answer

Receive parameter in delete request

I am trying to pass a parameter to my DELETE request, I tried to do the following: Use the same way I use in GET (where it works normal). app.delete('/contatos', function(req, res){ var obj = req.body; console.log(obj); }); Howev...
asked on 01.09.2015 / 04:51