A special type of subroutine called at the creation of an object.

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1answer
26 views

Establishing parameters for a sales report, with default boolean and date values

The idea is that I am getting the params from a GET request in the form of a Hash (symbol→str) and I want to transform them into dates and booleans. For that ...
3
votes
2answers
61 views

Dynamic class instancing (with conditional parameters and methods) based on a dictionary

In a RPG game I'm developing, after building a base Weapon class, instead of having many subclasses of Weapon, I want the ...
-2
votes
0answers
62 views

Classes representing a developer–manager relationship

I am fairly new to C++ and here is a piece of code I wrote while I was looking into the copy constructor working. The code compiles perfectly on MSVC. I am using VS2005 as IDE and using C++03. My ...
15
votes
6answers
2k views

Constructors for a class to represent a price in € or $

I'm using a method to make initialize the attributes of my objects, and this method is called from both constructor. What it does is, if no correct currency has been passed, choose € by default. I'm ...
4
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2answers
178 views

Follow up - Creating Inheritance hierarchy using function constructor

In continuation with this question, Animal class has four fields: name sound ...
8
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1answer
106 views

Creating Inheritance hierarchy using function constructor

Problem statement You need to create the Animal base class having four fields: a. name b. ...
10
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1answer
82 views

A classy wine collection - Construction vs. Initialization

The following is for a chapter exercise in C++ Primer Plus, 6/e by Stephen Prata, for the first part of Chapter 14 which deals with code reuse through composition. The problem is to implement a ...
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2answers
78 views

Reducing code complexity for UsergridClient constructor

I'm initializing a class in JavaScript with a bunch of complex property checks. Codacy is showing that this is bad design and recommends reducing cyclomatic complexity. I'm at a loss for how to ...
3
votes
2answers
57 views

Dynamically creating elements with an object constructor

Just experimenting with various Javascript techniques and was wondering if the code below is valid and if there are any disadvantages to using this technique to create html tags from JS object ...
5
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6answers
142 views

__repr__ for a binary tree whose constructor has default arguments

I recently have been working on a BinaryTree class, and looked into creating a proper __repr__ which when eval'ed would recreate ...
3
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1answer
93 views

Constructing NewsArticle objects from a database table

This class seems to be able to represent the data stored in any possible database table: ...
8
votes
2answers
397 views

Declaration of bloatedness: the class that knew too much?

I've already expressed concerns about this type's constructor, and I've sort-of* implemented the changes suggested in the answers I got there. Recently I added even more parameters to that ...
2
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1answer
29 views

In a Content Pane mouse movements are logged and shown

I was trying to learn to develop plug-ins in Eclipse and after following the tutorial provided with Eclipse, tried to expand the code by writing a short Java class to track and display mouse movements ...
0
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1answer
57 views

YUIDoc syntax for optionally static constructor

In JavaScript, I wrote a class that can be optionally instantiated with the new keyword, but can also be called statically as well. What is the best way to ...
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2answers
132 views

Is the Copy-Swap Idiom implemented here correctly? [closed]

Is the Copy-Swap Idiom implemented here correctly? ...
0
votes
1answer
163 views

Rule of 5 - C++11 [closed]

Source/Context: What is the copy-and-swap idiom? Rule-of-Three becomes Rule-of-Five with C++11? The C++ Programming Language 4th Edition June 2013 - Section 17.1 Introduction 483 ...
2
votes
1answer
95 views

Book constructor pattern

I am learning how to do object-orientated programming in JS. In particular, I am learning about the constructor pattern. In an attempt to exercise what I have been learning, I made this: ...
7
votes
4answers
4k views

Kelvin-Fahrenheit-Celsius temperature converter

I am curious if it would ever be in good practice to omit constructor definitions from a class. Here, the intention of the Temperature class is to simply convert between one temperature scale to ...
3
votes
2answers
155 views

Store open days and times

Currently I'm developing my business entities. I feel that the structure is a tad cumbersome. What I mean is that a store on a particular day can have different open and closing times. So it's not ...
1
vote
2answers
454 views

Utility class for an HttpURLConnection

I am creating a utility class to do an HttpURLConnection. I want to make this class generic as in I pass the URL and the POST params. It works with any range of ...
1
vote
1answer
700 views

A binary tree , its copy constructor and assignment operator

I implemented a binary tree in the following code. Its node's copy constructor and assignment operator should copy itself and all its descendents. Similarity a node's destructor should delete itself ...
3
votes
1answer
181 views

Making a copy constructor more flexible for ADT queue

I have constructed a copy constructor for an ADT queue. The copy constructor works fine. I would want to improve my code, but I don't really know how to shorten it to make it more flexible. ...
2
votes
4answers
366 views

Rule Of Three for a Coordinate class [closed]

I just recently got back into C++ and did a quick and simple exercise in the Rule of Three. The code for the copy constructor, overloaded assignment operator, and destructor follows below for my class ...
2
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1answer
52 views

Elegant way of processing an “options” parameter

In this constructor function I'm assigning everything to the proper variables. For the third parameter it accepts an options argument that contains the optional ...
3
votes
1answer
152 views

Instantiating a kind of NumPy array

I am creating a class object which must inherit from numpy ndarrays. I perform an isinstance check and an ...
5
votes
1answer
367 views

Applying the copy-swap idiom to humans and employees

I came across this post which explains the copy and swap idiom. However I could not find this idiom applied to classes that have base classes. Following is my attempt of a copy-swap idiom applied to ...
9
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1answer
93 views

Class that represents starting points and endpoints of a game

I am creating my first HTML5 game using JavaScript and Phaser framework. I have a class (or more accurately a prototype) called MajorPoint that represents the ...
2
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3answers
164 views

ADT for a TVM calculator

I wanted to get some criticism for the below ADT. This is just a basic ADT that will be fed into a TVM calculator. Main purpose is to have it initialized and correct for input errors. Full ...
1
vote
1answer
97 views

Constructing a UI to ask a list of questions

This code fragment from 2009: ...
1
vote
3answers
73 views

Initializing object by settings implemented as a class [closed]

Here is the story. We have the BankTerminalSettings class. It has many properties: ...
2
votes
0answers
123 views

handle drag and drop operations

I've come up with the following code to handle drag and drop operation. It's composed of a constructor function that returns an objects with methods to attach to event handlers. Notes about this ...
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1answer
266 views

Prompting the user for employment information

I have created a simple program in which the user is prompted for various details about their employment. In my Employee.java file, I have all the methods. Employee.java: ...
6
votes
2answers
119 views

File class and large constructor

I have some dispute with a colleague. I work with some REST-service, from which I get always same type data. ...
3
votes
3answers
301 views

Triggering editing mode for a form

I think that my code isn't perfect and I need a help to understand how to optimize it. In my application I have a main form and several forms for data editing. The user can: Add a new item Edit ...
7
votes
3answers
514 views

Parameterised Constructors

Finally, Parameterised Constructors are possible in VBA. Background: One rainy day, I came up with an idea: take a static class and expose one property as default (like it was done in the Reverse ...
7
votes
4answers
130 views

Avoid if/else in constructor - NavigableMap?

I have the following code, based on the input to the constructor I need to initialise some values which are wrapped in a simple POJO. These values are constant as you can see. However I don't like ...
3
votes
1answer
2k views

Dependency Injection into an Abstract Class

Me and another developer have recently forked and taken over an abandoned, open-source project. I have also been reading articles and watching videos by Misko Hevery. When I was reading through the ...
2
votes
1answer
175 views

Reading and storing values from JSON

I have a class ConfigFile that reads some values from a JSON using Boost and stores them in variables. Everything is done in the constructor: ...
6
votes
3answers
1k views

Count PDF pages in constructor

I have an object that represents a PDF file. In the constructor, I pull out various information about the file name and make it available via properties: ...
5
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2answers
3k views

Storing a message from a queue

I am doing a code review and I have encountered a class in an application that is throwing an exception in the constructor: ...
7
votes
2answers
477 views

Should I set a license in the constructor or a static constructor?

We are using the Aspose PDF library to work with PDF files. Aspose requires the license to be set once per process. Accordingly, I have created the following common static method that sets the ...
4
votes
2answers
294 views

Exercising in copy constructors and assignment operators

I've just created an implementation of array to train myself in copy constructors, assignment operators, and exception safety. Please look at this code and tell me what is wrong here. ...
4
votes
1answer
54 views

Zip-like construction of objects from parameter collections

This little function can make object creation much easier. Sometimes you need to switch between representing your data as objects vs. having the members in separate containers. Example: ...
18
votes
5answers
856 views

When a constructor calls a helper function, should the helper mutate the object or return part of the object?

I have a private method that is called from the constructor to instantiate a bunch of objects. I can do it two ways. ...
7
votes
2answers
1k views

What is the advantage/disadvantage of using default initializer for private fields?

Let's compare the following code: 1) ...
9
votes
2answers
574 views

Long constructors, inheritance, class method constructors

My class takes functions as a parameter. There are 6 of them, along with numerous other parameters. Almost all of the fields have default values. It also has a class method that creates an instance ...
1
vote
1answer
64 views

Framework constructor

I'm working on my framework constructor. First I tried to look into jQuery and understand it, but it's so out of my league. Instead I googled and put this code together. Though there aren't many posts ...
3
votes
2answers
69 views

Making this login javascript code more organized and more competent?

I have this basic javascript that using a constructor, validates the form where the login fields cant be empty. All this WITHOUT using any js libraries. So far I have come up with this... ...
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2answers
125 views

Improve testability of constructor

I have the following constructor ...
1
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3answers
207 views

Review of three constructors for a String class

I have the following declaration in my String.h file: private: char* nstring; int nlength; }; The following are three constructors I've implemented in ...