All Questions
13 questions
-1
votes
1
answer
241
views
How to avoid cyclic dependency in UI application
I'm developing an UI application where I ran into an issue with a cyclic dependency. Here is the simplified code, to explain the problem.
#include <list>
class UiStyle;
UiStyle* CreateStyle();
...
- 33
0
votes
1
answer
564
views
Using for_each instead of iterators to avoid iterator invalidation
I am writing a simple custom (special purpose) container and would like to allow for iteration over each element, however, avoid using iterators due to the problem of iterator invalidation.
Instead of ...
- 103
2
votes
1
answer
118
views
Is it a good software engineering practice to store libraries as attributes of objects?
Suppose I initialize a library, say, in python object -
#filename: file_A
import file_
class A():
def __init__(self):
self.pd = file_.pd
self.np = file_.np
And suppose the ...
- 131
2
votes
2
answers
4k
views
Module with globals or Class with attributes?
Currently I'm working with a lot of modules where the original developers used global variables to control states and to exchange important information between functions, like so:
STATE_VAR = 0
def ...
- 131
1
vote
1
answer
618
views
Should the function that operates on the object return it?
Should the function that operates on the object return it?
Shortened example:
class Example1
{
public function method($a, $b)
{
$result = new Result($a, $b);
$this->...
- 19
2
votes
5
answers
1k
views
What should a constructor contain?
What should a constructor contain?
In both cases, all three arguments are needed for the class to work.
Which approach is better and why?
1)
class Language {
LanguageRepository ...
- 31
-6
votes
1
answer
189
views
Finding object relationships [closed]
Description
Its a follow up question of writing use cases.
Taking from nouns defined in my user story and requirement I found the following candidates to be classes:
User
Question
Session
Attempt/...
- 2,186
4
votes
4
answers
539
views
Is it better to generate a large list during the constructor or when it's accessed?
I've got a class member function that generates a large list and puts it into a private member variable so it can be accessed through a getter. The generation of this list is a rather intensive ...
0
votes
2
answers
79
views
Class For Summarised List Of Complex Objects
Assume I have a class that represents a complex domain object with dozens of properties, such as a pension policy.
The GUI lists all pensions in a summary table that only contains a small subset of ...
- 179
4
votes
3
answers
1k
views
Turning structural code into object oriented code
This is a bit experimentation from my part because I had written a lot of procedural code back in my school days hence I have trouble in thinking in OOP way i.e. to find proper classes and ...
- 2,186
5
votes
2
answers
8k
views
Design pattern for processing a huge CSV file -- Java
I am learning design patterns in Java and also working on a problem where I need to handle huge number of requests streaming into my program from a huge CSV file on the disk. Each CSV line is one ...
- 61
2
votes
2
answers
2k
views
Basic OOP Question for a Report
I'm in development of a sample project in Android for a friend's phone that keeps track of his sales. At first, one of the requirements was to create yearly reports of this sales data. This would be ...
- 205
8
votes
10
answers
3k
views
What should be first - functionality or design? [duplicate]
I've started reading a book from Head First series about OOP and Design. In a first chapter it is stated I have to worry about design of my application just after basic functionality is ready.
Basic ...
- 698