All Questions

2
answers

Align to the right NAVBAR in bootstrap 4

I would like to line up Bootstrap 4 the browser to the right. By default it is left, I tried in several ways but I could not, here I leave the code. <body> <header> <nav class="navbar navbar-dark">...
asked on 03.11.2016 / 19:59
1
answer

Exception AttributeError: "'NoneType' object has no attribute 'dump'"

I find myself practicing with Python , doing a little POO , a class here, another over there ... :) ... and, also, with handling of files and pickle . I expose the code block of a file called "manager.py": # encoding: utf-8 from io impo...
asked on 22.04.2018 / 22:46
1
answer

How to display multiple bars in the jquery flot library with json and ajax?

I have a problem with the jquery flot extension, because I have to transform it into a two-dimensional array or with this format [[0,0], [0,0]], at the moment only for normal arrays, and I also know how to do this format, which in essence is the...
asked on 05.11.2016 / 04:00
1
answer

Get data from a selected row

I'm working with DevExpress GridControl for Windows Forms, what I want is to get data from certain row, I do not know how to do it. In Windows Forms DataGridView I do it in the following way if (dgvCategoria.Rows.Count > 0)...
asked on 04.11.2016 / 21:13
1
answer

Error connecting Netbeans with a SQL Server 2008 database

Good, I am wanting to connect Netbeans with a database but I have the following error    Can not establish a connection to jdbc: sqlserver: // CRONOPIO: 1433; databaseName = ppm using com.microsoft.sqlserver.jdbc.SQLServerDriver (The TCP / IP...
asked on 06.11.2016 / 16:51
1
answer

Is the migration folder uploaded to github?

I have a question about what I'm uploading to github, it's precisely from the migrations folder, is that folder up? I'm talking about this folder:    myapp / migrations     
asked on 26.10.2016 / 19:07
2
answers

Perform calculations in rails

Good I am new in rails I have the following doubt. If I have a product model with cost and price, how would I calculate the price depending on the cost? The serious price, cost * 30% Is it done in the model or the constructor?     
asked on 01.11.2016 / 13:18
1
answer

Error in storage permission

In the application a file is downloaded and it works in a phone with kitkat, but when I did the test in another phone with Marshmallow, it is truncated, the error that shows in the logcat is:    java.lang.SecurityException: No permission to w...
asked on 28.03.2018 / 23:46
2
answers

Pass bootstrap values to PHP

I have downloaded a template with bootstrap in which there is a FORM type part that consists of the following: <div class="share-desc"> <div class="share"> <p>Number of units :</p><input type="number" class="tex...
asked on 02.11.2016 / 09:53
1
answer

Problem installing Yii2 via Composer

I'm trying to install my application in Yii2 via Composer but when I'm going to execute the following command in windows cmd composer self-update I get the following error composer no se reconoce como un comando interno o externo, programa o...
asked on 28.03.2018 / 01:22