Questions tagged as 'singleton'

Dear, I am developing an account plan and I am using a non-relational database (I hope I have not made a mistake), and I need to make it possible to create an account plan with firebase. In addition to Firebase I'm using Vuejs, but at the moment...

I turn to you to see if you can help me, since I am trying to implement a singleton pattern with node, but I have a problem since I can not generate the corresponding connection with instance, if you can guide me in what I have to change or with...

I am trying to save the entire class that installs it in Singleton , not to save each array that we have independently but to save the entire class with the contents of its arrays but it explodes me and I do not know why. Can someone shed...

Good I have this query to an external url, the results realize the set and get to a recycler. The issue is that I need to make two more queries of this style. How could I achieve these consultations in the same class? Thanks private void Carga...

I am new and I have no experience but I am starting to create my query application, I have a jframe where I show a jtable with the result of a query, when I click on a line of the jtable I keep in a variable the data to look for and show it in a...