All Questions

2
answers

Create columns in R from another where some values are null

I'm wanting to create a column from another in the R where some of the rows have no value. The column should be constructed as follows: if the row of the base column has value, it will fetch that same value, otherwise it should fetch the informa...
asked on 14.08.2014 / 21:10
2
answers

Object filter disregarding accents in angleJS with Ionic

Talk to people, I would like to make an angle filter that would disregard the accents. This filter is applied over a list of objects that have a name property for example that we filter on top of this property. I'm using the approach in th...
asked on 13.05.2015 / 17:17
1
answer

Zip directory with PHP

I have a code that compresses file and directory. The problem is that it compresses the files and directories that are in the root, but the subdirectories they are not compressed, for example I have these directories:    folder /, folder / fi...
asked on 10.07.2014 / 03:53
1
answer

What is the difference between serialized and non-serialized objects?

I know that an object is serialized when its class implements the java.io.Serializable interface, but I would like to know what the object means to be serialized and what difference there is to another not serialized.     
asked on 11.10.2014 / 10:41
1
answer

Structuring the router class in PHP with MVC

A friendly url of the type: www.meusite.com.br/controlador/metodo/argumentos It is handled in my Request class, where it "explodes" the url , separating it into segments, which are $controller , $action and $args...
asked on 21.02.2015 / 04:49
2
answers

Additional field in a table Database for removal

I created a database, in which I have some problems when I proceed to remove some data from the table. Example Sales Stand: I have a seller who was fired and I want to remove it from the bd but I can not because this seller has associated him...
asked on 24.10.2014 / 12:43
1
answer

Creating a java interpreter for android?

I'm developing an android application where you can write a java code and run it ... something like visualg . so I did something different than most of the tutorials on compilers and pseudocodes would say ... where would that have to be genera...
asked on 07.04.2015 / 04:14
1
answer

Need for Server Side Award for Content javascript - AngularJs

Knowing that starting this year google crawler runs javascript , considering the indexing of a content that is displayed using AngularJs, is there still a need for a version of the same content rendered on the server side for SEO? Plus : Pr...
asked on 05.08.2014 / 14:11
1
answer

Use the Bundle and / or just putExtra?

To pass data between activity , I have 2 forms: 1. Use Bundle : public void teste(View v) { Intent i = new Intent(this,Teste.class); Bundle bd = new Bundle(); bd.putString("site","google.com");...
asked on 09.11.2017 / 17:11
1
answer

What is the role of the parameters? [duplicate]

I know the concept of função and procedimentos , but I have a little difficulty understanding the role of parameters .     
asked on 21.09.2017 / 22:26