All Questions

2
answers

Get the device owner's contact on Android

In the Contacts application, the first one shown is the owner's. Is it possible to extract contact information from the owner of the device? I have searched for all the contacts available from the provider ContactsContract.Contacts...
asked on 18.09.2017 / 18:52
2
answers

Do these types of expressions always remain in memory?

By moving with C # I have found that a new instance can be created without storing it inside an identifier. I understand that these statements only work with classes because of the need to invoke some method within them, but does this instanc...
asked on 03.05.2016 / 12:41
2
answers

Doubt with hashmap [closed]

I have the following list: List<DatosAutores> datosAutor= new ArrayList<DatosAutores>(); datosAutor.add(new DatosAutores("157","Joaquín Ordóñez Sedeño","[email protected]","Anuario Mexicano de Derecho Internacional","4027","Dere...
asked on 08.01.2016 / 23:43
2
answers

Algebraic Sum of 2 Select SQL Server 2012

Good morning, I have the following Select in SQL Server 2012, and I need to do an algebraic sum of both Select of the quantity and total fields, since the result of each one gives me positive and negative values. SELECT T0.U_CTS_Vendedor, T5.[...
asked on 11.09.2017 / 12:02
2
answers

CSS3: A transform-origin for each transform?

Suppose I have two transformations in the transform property, eg: transform: scale(.5,.5) rotate(10deg); I know that it is possible to establish the point of origin of the transformations using the property transform-origin , Ex:...
asked on 19.03.2016 / 15:08
1
answer

When creating a project in Android Studio. Error ... cache.properties (The system can not find the specified file)

I wanted to tell you about my problem since I am a bit new to this and I still do not understand much about the Android Studio theme. Every time I create a new project in Android Studio I have the following error, no matter where I save the proj...
asked on 03.04.2016 / 02:54
2
answers

Access a control of the main form

I have a windowsform application with 2 form and form2 windows, which is generated by default (I consider it the main one) and a 2nd form, and I wanted to access a textbox of the main form from it form2 form to update it with a button from this....
asked on 04.03.2016 / 18:42
2
answers

Differences between the Elvis operator: and the zero coalescer operator

Reading this question I found a reference to the call Elvis operator (link in English) or ?: that is very similar to the operator || used in javascript or also called operator of null coalescence (link in English). Investi...
asked on 07.01.2016 / 14:38
2
answers

Parse link header in golang

I want to make a request in Go to an API but the answers are paged so I have to go through them. The pagination comes on the header in the element link , something like this: <page=3>; rel="next",<page=1>; re...
asked on 15.04.2016 / 00:58
1
answer

Problems with Ajax.BeginForm Razor MVC4

Good morning. I had previously posted a problem with a form ajax , but I'm still I can conclude this module. The problem is that when I open this Formulario Ajax (which opens in a dialog and the div of it is out of any othe...
asked on 03.02.2016 / 14:10