All Questions

4
answers

Concatenate two fields

I am concatenating two fields but it is showing me the end of one capo with the other. example: Pedro PabloCastro Ruíz SELECT documento, concat(nombres, '', apellidos) as datos, nacimiento FROM jugador     
asked on 12.07.2017 / 17:20
1
answer

PlaceHolder in the margin of the input

What is the name of this effect or property? Is it from Bootstrap?: As you can see, the placeHolder is aligned with the margin of the TextBox when you click inside it to write.     
asked on 18.09.2017 / 23:48
6
answers

Remove blank spaces from a series

I have a list of this form, and I need to remove the spaces between words, that is, to make it look like this: 'jul07', 'jul08' ... Here I leave the code: FechasList = [] for i in date: if i not in FechasList:...
asked on 13.07.2017 / 21:58
1
answer

Infinite scroll + tooltips

I'm trying to implement a page with infinite scroll and add tooltips to some items. Infinite scroll works fine, but tooltips only appear on the first page, before adding new items with the scroll. This is the example: link The toolti...
asked on 25.10.2018 / 10:35
2
answers

Error updating EF entity

Friends, the scenario is this: when I want to edit a record in my BD, I'm using context.Entry(entidad).State = EntityState.Modified; ; the problem arises that when you get to this line, you throw this exception to me    Attaching an ent...
asked on 03.10.2018 / 18:22
1
answer

How to generate a set of dates from a range?

I try to calculate the days of a range of dates, I have something of this style, however I get the amount of the range, my goal is to get the number of the day corresponding to the month. What it does Goal SELECT NOMBRE,R...
asked on 19.10.2018 / 00:18
1
answer

Simple LinkedList will not let me add .add (int);

I'm practicing with some tutorials and I had a problem. Can not I add a int object to the list? package paquete; import java.util.*; import java.util.LinkedList; class Main { public static void main(String[] args) { // TODO Auto-g...
asked on 14.01.2016 / 16:23
2
answers

TextView Multiline with horizontal and vertical scroll

Well, so that we are in tune, my idea is to create a logger I've already managed to make it scroll vertically but as I do not fit the text in TextView I share the code: <?xml version="1.0" encoding="utf-8"?> <android.suppo...
asked on 27.10.2018 / 21:07
1
answer

Doubt with functions in javascript, react js

because when I put a function in this way, the this.state , is not bringing me the values that happened when I write in the input fnLogin(event){ debugger; event.preventDefault(); this.setState(obtenerToken(this.s...
asked on 16.11.2018 / 20:12
2
answers

perform subtraction and show the values between 1 and 10

I have a table which contains I have this sentence to get me to subtract fewer exits: $sql="SELECT medicina_inventario,fecha_inventario,entrada_inventario,salida_inventario,total_inventario,inveObservaciones, entrada_inventario-salida...
asked on 09.11.2018 / 14:12