All Questions

1
answer

Comparison in several SQL tables

I need to perform a query in SQL validating the following: I have a parent table that is called elemento and has a field tipoelemento , and two child tables equipo_computo and equipo red , with the fields tipoequi...
asked on 27.12.2017 / 16:28
1
answer

Create named files that include rare characters

I've been looking for too much but I have not found the answer, the case is this: With PHP I have to get the list of the files of a directory. I have to save the list in a file with JSON format, for which I use json_encode() . I sa...
asked on 12.01.2018 / 18:56
1
answer

MYSQL How do I make a trigger to update stock after canceling an invoice?

I want that after canceling a record in the tblingreso table the corresponding stock in the articles table is updated (the stock is subtracted): UPDATE tblingreso SET estado='Anulado' WHERE idingreso='1'; I have my table tblingreso with...
asked on 11.12.2017 / 07:31
1
answer

Create variables in Razor and then manipulate them in Jquery?

Is it possible to do something like this? @{var list = [1,2,3,4,5]; } I do not boot error but then when I want to use that variable in Jquery, it does not appear. What is the correct way to do it?     
asked on 14.12.2017 / 22:35
1
answer

How to convert HTML to PDF with jsPDF, without losing CSS styles

I have the following HTML <!DOCTYPE html> <html lang="es"> <head> <title>hola</title> <meta charset="utf-8"> <link link="" rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/f...
asked on 17.04.2018 / 17:26
3
answers

Compare elements of an array to find the greatest

In the following code I need to enter two car identifiers per Scanner and show me which is the car that has traveled the most kilometers. How could it be done? import java.util.Scanner; public class Pruebas { public static void m...
asked on 12.01.2018 / 21:00
2
answers

disordered months in mysql

my question is because the months in the database are disorderly and I want to know why they come out so I leave the code sql SELECT mes_traslado FROM formulario_precebo WHERE año_destete = 2017 GROUP BY mes_traslado; and the result it gi...
asked on 04.04.2018 / 16:46
1
answer

Get values of a json, save them in a variable, json.parse ()?

Hello, I'm working on a module that graphs data with Chart.js , then charts.js works with json, like almost everyone in the world, so I'm getting another json 2 and NULL , with them generate variables that tell me how many there are. I'm no...
asked on 09.04.2018 / 18:33
1
answer

Grant value byte in a set

We have a DB with a User table that has a column of type Tinyint (Since it is a boolean) and we are working with Hibernate. My User model has a variable, autogenerated, Byte type to designate that user value (setters & getters). The fact is t...
asked on 20.04.2018 / 10:24
1
answer

Update user profile Vue-Laravel

I have to do the view to update user profile in Vuejs, the view is currently done in blade and it works fine, but I have to pass everything to Vuejs. From the sidebar.blade.php I pass the user to the Vue component named Profile.vue <pro...
asked on 12.04.2018 / 21:17