All Questions

1
answer

How does dynamic typing work in Python 3.x?

I'm new to Python and I had a question when I solved Exercise 1001 of Uri Online (read A and B, assign sum to X and print), when writing the following code, I received concatenation: a = input() b = input() x = a + b print ("x = ", x) Whe...
asked on 19.06.2016 / 19:05
2
answers

How can I centralize my form within my div?

I'm trying to centralize my search form in the center of my div but I'm not getting any property in css that does this without the need to ganbiarra? here is the development page index.html <html> <head> <meta...
asked on 06.06.2016 / 20:59
2
answers

Coordinates of selected area in image

I have the following question: I have an image and I want to make a selection of any area of this image, as in the example marked by the red square (consider this to be the selection). From this selection, I need to know the coordinate of...
asked on 12.06.2016 / 19:05
1
answer

Presenting message in a view via the C # MVC Controller

Looking for a solution I found a form on the link Controller message for the view But my problem is that nothing is displayed. I do not know if it's because I do not have an action in View but the message does not appear. The structure i...
asked on 06.01.2016 / 14:39
1
answer

How to use a GitHub project as the basis for a new one?

I'm trying to use the angular-phonecat project as the basis for a new project, and make modifications on top of it, because the structure is very similar to what I want to develop and so I would not have to configure and download everything I...
asked on 07.06.2016 / 18:13
1
answer

Migration, Delphi and Firebird. What is the correct way to deal with the encode question?

I have a project in Delphi 7 that makes use of Firebird. I'm thinking of migrating this application to a Delphi XE * version. However, we know that since Delphi 2009 the String pattern is Unicode and not ANSI anymore. My Firebird database...
asked on 05.02.2016 / 19:24
2
answers

How to identify a USB device?

I have two types of devices (A and B) that communicate serially via USB and can be connected to the PC using linux. Is there a way to identify which device is connected without having to talk to it? Since each would be handled by a very diffe...
asked on 25.02.2016 / 14:19
1
answer

Page Print

Good morning, I wonder if there is any way to count how many times a particular page (html) has been printed. I know we can count the times that a modal was opened with the click of the button, in the same modal I have a button to print (the con...
asked on 28.01.2016 / 11:32
2
answers

What is the procedure for debugging a "stack execution", Javascript or Php through the browser or IDE Aptana?

When we develop a code, it runs as a stack of instructions. Is there any way, where through the browser or an IDE, where we can follow step by step the processing of the code, and see to what extent it was executed or stopped due to some erro...
asked on 04.06.2016 / 19:04
5
answers

How to save data from a grid that has changed?

   My system has a grid with order items coming from the database.   data. Well, I need to change the order items, add one more item, or even remove. Get the information in json and put it on the grid. I can interact in JsonStore...
asked on 06.02.2016 / 15:03