All Questions

2
answers

Convert a JSON to an array

My question is this: How can I convert the result object to a list (array) in Java ?. The JSON is something like the following: { "order_id": "12345", "paging": { "total": 41, "offset": 0, "limit":...
asked on 14.05.2017 / 22:01
2
answers

Login MySQL, PHP and AJAX

I am developing an application with Phonegap . I would like that when I log in, I will check if it exists in the database. In case you have to save the email address ( email ) in localStorage . HTML Code: <div class="login...
asked on 15.05.2017 / 10:23
2
answers

org.json.JSONException: Value

I am trying to fill a spinner with mysql data using php web services that return a JSONArray, the problem is that it is giving me back the error that says the title. private class consultarDatos extends AsyncTask<String, Void, String> {...
asked on 15.05.2017 / 01:13
1
answer

Group by matches in a PHP array

I have a multidimensional array with indexes, in which I keep the data, about a user and their stops, this I show for days. I am interested in the days that have the same stops are grouped. The array I get from two SQL queries in this way:...
asked on 17.05.2017 / 08:29
1
answer

Alternative to replace the SideMenu of JFoenix

I am working with JavaFX , specifically with the JFoenix library. In my project I replaced the NavigationDrawer of the demo ( SideMenu ) with a JFXListView within the interface (the space inside the red rectangle)....
asked on 15.05.2017 / 17:49
1
answer

How to do frequency SQL queries per hour and per day?

I want to know when my application is the most used per hour and per day for comparative purposes for marketing. I can do it with the PostgreSQL database but the problem is that I do not know how to segment the results by hour and day. I have...
asked on 17.05.2017 / 08:58
1
answer

How to collect all the image tags from an html page on RUBY

My program collects all redirection addresses but I could not do the same with the image tags require 'nokogiri' require 'net/http' pagina = Net::HTTP.get(ARGV[0],ARGV[1]) enlaces = Nokogiri::HTML(pagina).xpath('//a[@href]')....
asked on 06.11.2017 / 13:55
2
answers

Extract the certification chain in c #

I would like to have access to the certification chain of a certificate installed in the windows certificate store, I currently get this string but from a pfx file with its key, but now they changed the form and want it to be extracted from a in...
asked on 17.05.2017 / 13:37
1
answer

Get the name of an object in C #

Can I get the name with which I have instantiated an object and save it in a string? float[] objeto1 = new float[4]; float[] objeto2 = new float[5]; new Vectores().MejoresAlumnos(objeto1 , objeto2); class Vectores...
asked on 02.11.2017 / 17:41
2
answers

JoinS About the same Table with Null Values

You are trying to perform two JOINS to match the information of two tables, the first table contains a catalog of articles. id_art desc ------------------------ A1 Articulo A1 A2 Articulo A2 A3 Articulo A3...
asked on 11.05.2017 / 19:08