All Questions

2
answers

Can different foreign keys be referenced for the same attribute field?

I'm working on a Oracle SQL Express 11g code. So far I have these two tables: CREATE TABLE EVENTOS ( OID_Proj INTEGER PRIMARY KEY NOT NULL, nombre VARCHAR2(50) NOT NULL, ubicacion VARCHAR2(50) NOT NULL ); CREATE TABLE PROGRAMASDEPORTI...
asked on 28.12.2018 / 03:12
2
answers

Problem when defining time zone using tzinfo on datetime using pytz.timezone ()

I found the following problem when creating an object of type datetime with the constructor parameter tzinfo that defines the time zone. To define a time zone I used the pytz module as follows: import pytz as tz import dat...
asked on 09.08.2017 / 23:02
2
answers

Height 100% does not work

I'm trying to create a menu made with images with the hover effect, but I do not understand why you do not see the div complete. The menu consists of 6 images (which in reality are twelve, two per menu option, for the hover) and must b...
asked on 28.12.2015 / 05:45
2
answers

Replace words with span in contenteditable

I want to replace all the words with span, my code is as follows: let written = ''; document.getElementById('test').addEventListener('keyup', function(e) { var palabra = written; written += String.fromCharCode(e.which); if (e.w...
asked on 09.07.2018 / 18:38
2
answers

Pointers as parameters to functions in c

Hello people, I have a small problem. I am creating a function that receives as parameters a double pointer. This function receives the parameter and assigns it dynamic memory. Once the memory is assigned, I call another function that assigns va...
asked on 03.04.2017 / 03:00
2
answers

avg of each day

I need to get the average of each day, in a range of one week, what I need is for the query to return 7 rows where each row is 1 day of the week I have the structure of the table is the following: create table mediciones( id int not nu...
asked on 26.09.2018 / 02:06
1
answer

Is it possible to use docker in windows without owning VT-x / AMD-v?

Good day community of StackOverflow! I have managed to install docker on a machine that is x64 and has Windows 7 Ultimate, however, as a docker is a program that has official support for x64 bits and also uses virtual box I was reading that i...
asked on 30.04.2018 / 01:10
1
answer

How to generate PDFs with Javascript

I have a program in Python that reads a text file (.txt) and with a series of data from the file, generates a PDF with certain information. To read the .txt, use regular expressions. In Javascript there is no problem, I can do it in a similar wa...
asked on 18.12.2015 / 08:55
1
answer

Advantages and disadvantages of Lambda expressions in java 8, What are their utilities? [closed]

Java 1.8 has brought with it important changes in our way of programming and specifically one of them are the so-called lambda expressions. These expressions greatly shorten the code of our application but what implications does this really have...
asked on 02.01.2018 / 14:19
1
answer

How do I edit an incorrect message in a git push?

I wrote something I did not want in the commit comment. git commit -m "comentario indeseado" git push How can I change or update the message? Eye, I've already pushed and I want to remove the message in the repository as well. Is i...
asked on 26.01.2016 / 18:00