All Questions

1
answer

Print a column of a csv

I have a csv file several columns. I simplify it in the following case with two. ID texto 1 Los niños comen sardinas 2 Los pájaros vuelan alto porque tienen alas 3 Érase una vez la vida 4 Un 67% de los adultos vive en l...
asked on 03.11.2017 / 16:53
1
answer

final part of a QUERY

I am finishing a query that I have been asked but I can not finish it, the structure of the tables is as follows: child CREATE TABLE CHILD( child_id SMALLINT, child_name VARCHAR(255) NOT NULL, birth_date DATE NOT NULL, gender VARCHAR(255)...
asked on 30.10.2017 / 19:08
1
answer

Error in MYSQL and PHP query

Good afternoon. I do not know why this query is not done in PHP and Mysql This is the code of the form to send the content: <?php session_start(); if(!isset($_SESSION['usuario'])) { header('Location:auth'); exit(); } include 'conexion.ph...
asked on 15.11.2017 / 20:45
1
answer

Pass variable from one component to another in React Native

I have a component that calculates the imc : class CalculateScreen extends React.Component { constructor(props) { super(props); this.state = {peso: '', altura: '', imc: 0}; } calculateImc = () => { const { peso, altura }...
asked on 01.11.2017 / 23:22
2
answers

Error in debug \ AndroidManifest.xml ExecutionException: java.util.concurrent.ExecutionException: com.android.tools.aapt2.Aapt2Exception: AAPT2 error

Today I was adding the firebase functions from the wizard and at the time of doing the gradle build I got an error in the file debug \ AndroidManifest.xml , before to add the functions of firebase I compiled without problems, I attached the f...
asked on 01.11.2017 / 21:36
1
answer

derby search by join date

I must select the names of the clients whose service was made on 2012-07-15 SELECT nombre FROM Clientes c JOIN Servicios s WHERE s.Fecha = '2012-07-15'; but I get an error    [Exception, Error code 30,000, SQLState 42X01] Syntax error: E...
asked on 31.10.2017 / 19:41
1
answer

How to integrate 'swipe' from Hammer.js in Backbone?

Hello! I've been trying all day to make a swipe work with a backbone and I have not had any luck. I have a code that works but it's pretty ugly and from what I've seen it can be structured better. The problem is that when I integrate it into...
asked on 12.11.2017 / 17:37
2
answers

Clean / Reset several forms

In my code I have 2 forms that once sent, I would like the previous data to be cleaned in each one of them. Currently only "clean" the search data of the "faith" form <div id="actualiza"> <form name="fe" action="" method="post">...
asked on 02.11.2017 / 15:19
1
answer

Error getting epoch in Date object

It's something basic but I'm stuck in this conversion of dates: I receive a date in String with format    10/19/2017 and I have to convert them into epoch for this I do: Date dataObjUntil = null; SimpleDateFormat s...
asked on 02.11.2017 / 17:36
1
answer

Upload file with bootstrap input file in laravel 5

I'm uploading a file using the bootstrap input file plugin which I succeed in uploading in what I submit makes it difficult to return the path to the plugin to order or delete them in the documentation I have 2 methods that are initialPrevie...
asked on 02.11.2017 / 00:03