All Questions

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Validate FLOAT data entry [duplicate]

I need the program to accept only decimal numbers. The one I did is fine, only accepts decimals, but if you enter for example -23.45jdhsdj . The numbers if you save them, although you ignore the letters and it should not be like that. Yo...
asked on 20.09.2018 / 06:29
1
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Problem in insert SQLite

I have a project in android, in which I have to insert records in an activity and show them in a recycler, when I insert the message it is shown that it was inserted correctly, I must show that data in a second activity, when doing the query if...
asked on 21.09.2018 / 23:06
1
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Change CSV delimiter to comma in PHP

I have a small problem, I have a CSV file with a ; separator, the problem is that when I try to create the object with: $objReader = PHPExcel_IOFactory::createReader('CSV'); It returns the following error: is not recognised as an O...
asked on 14.03.2016 / 15:13
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Show Loading when loading url in mplayer class

Dear good morning, I am quite a novice in the development of mobile applications, I am learning and I need to be able to show a loading after launching my first image of the app in a Splash. That is, I have an app that launches a Splash, it l...
asked on 18.03.2016 / 17:13
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Change null values to '0' in a SQL pivot

I have something more or less like that select * from( selcect ...)as pt pivot( asc(valor) for desc in ( [Deporte y cultura],[Despensa],[Destajo - sueldo], [Destajos], etc ...) ) as pvt So far so good, but I get many results as null from...
asked on 19.09.2018 / 16:59
1
answer

Error entering RStudio, r or to the application

Install the packrat package to manage the versions of my libraries but when I pass it to the computer where I have the applications it does not work and I get an error where I look for the file packrat/init.R , everything fails and when en...
asked on 18.03.2016 / 17:59
3
answers

Error Java heap space

In my web application, I miss this error, which causes me to restart the server: 13:08:13,508 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/Particulares].[spring-servlet]] (http-/10.199.97.50:8043-26) JBWEB000236:...
asked on 28.02.2016 / 17:29
1
answer

Default scaffold routes and controllers

I have a little doubt about the drivers and the routes. I am developing an image editing system and the only thing I need is to redirect to each route, that is, the user modifies the image in each system view, first the image upload view, then g...
asked on 11.03.2016 / 21:26
2
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Link several tables to another to obtain groups of records

A few weeks ago I created a database to use it in my Android app. It turns out that these two weeks I've been thinking about a problem I had, and no matter how many solutions I got, they gave me errors and I do not know what to do anymore. I'...
asked on 03.06.2016 / 13:33
1
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ACAccountStore swift2

How do I create an account for my application with ACAccountStore in swift2 and Xcode since it only shows me facebook and twitter but I will not use them. I need to create is an account that is of my application. Thanks.   ...
asked on 09.06.2016 / 13:15