All Questions

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Show available rooms according to two dates entered (ranges)

The idea is that entering the date of entry and date of departure; Show the available rooms by comparing with the reservation dates made. Assuming the following tables and data: CREATE TABLE Habitaciones ( habitacion_numero INT );...
asked on 19.12.2017 / 23:42
1
answer

Join results in SQL Server

I would like to know how I can do to join the results of several selects in the same temporary table if possible, or if there is another way to do it. This is the code that I have at the moment: Declare @mod as int; Declare modelos c...
asked on 26.12.2017 / 20:40
2
answers

Browse div with class and show only the selected item

I want to show and hide a div, it is a list that has a class are 4 div, with the same class and the button that should show also has the same class, the problem I have is that with the function that I have it shows me all the div or just the one...
asked on 28.12.2017 / 23:04
1
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Error installing Ubuntu Ubuntu 16.04 "dpkg: error processing archive /var/cache/apt/archives/apport_2.20.1-0ubuntu2.15_all.deb"

I have an application made in Django that is now in production mode in ubuntu server 16.04 and I need to generate its SSL Certificate so that users can access through HTTPS, for this I have guided myself with this tutorial: link After...
asked on 04.01.2018 / 01:01
1
answer

.Net Dll with Web Service in VB6

I pose the following scenario. I have a DLL ( developed in .Net with fwrk 4 ) where one of its functions is to connect to a WebService (Service reference). I have some projects developed in .Net that consume this DLL. I have some pr...
asked on 16.12.2017 / 04:11
1
answer

In an sql query, is there an order to declare the join?

I have always had the doubt if it is the same or if it has consequences to make a query of the following forms, or if there is some standard to follow when establishing the order of a join depending on whether or not the table is has the foreign...
asked on 19.12.2017 / 12:49
1
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Select all the clients whose name is repeated

To get all the clients out without repeating the names is very easy. SELECT distinct firstname FROM client And to get all the clients whose name is repeated more than once is not very complicated either. SELECT count(*), firstname FROM cl...
asked on 02.10.2017 / 15:15
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Store files from a directory in array

I have to store the files of a directory in an array and then traverse that array. System.IO.DriveInfo dirOrigen = new System.IO.DriveInfo(ruta1); System.IO.DirectoryInfo dirOrigenInfo = dirOrigen.RootDirectory; System.IO.FileInfo[] fileDirO...
asked on 02.10.2017 / 09:04
1
answer

Run Python file from a PHP file

I would like you to help me with a problem that I have with my code, which I have been reviewing a lot but I can not fix it, this is my program in php, which runs on an Apache server (using raspberry pi 3 B), I will also leave you my python prog...
asked on 30.09.2017 / 02:41
1
answer

Problem with highchartr, insertUI and removeUI in Shiny R. Error in shinyapp.js

Hi, I'm all working with an application shiny with a navbarPage several tabsetPanel . I would like the ui of each tab panel to be temporary, with this I mean that I hope to get the application to only load the...
asked on 04.10.2017 / 01:50