All Questions
Tagged with design-patternsperformance
44 questions
1vote
1answer
284views
Rules-engine to be improved/simplified for Efficiency (performance), Extensibility and Maintenance?
This is a simple implementation of a rules engine. I am really hating the very long MATCH/CASE function. I am wondering what kind of Design Patterns could be used there to make this code more ...
user106017
4votes
1answer
69views
Terminal Graphical Visualizer, using a queue of different matrices
I built a project in which I provide a string input or a whole matrix to configure a frame, create a bunch of different frames and push them into a queue and finally print them in order of the queue. ...
- 567
8votes
1answer
242views
Lightweight general-purpose graph library in C++
As a personal side project I started building a graph library in C++ (I know, very original). The code is open source, but for the purpose of this question I will provide the relevant details and the ...
- 81
2votes
0answers
62views
Pre setup script to get user metadata and check supported api's within the browser/device
Can this code be shortened or optimized, Written out this script to be used before node.js starts a few canvas elements and some vide streams. wondering if the initial checks can be shortend or ...
- 159
4votes
0answers
59views
How to split and refactor a large function so it would do only one thing?
I am learning about clean and maintainable code. I heard that functions should be no more than 20 lines long (preferably 5 - 10 lines). I have come across this Bob Martin quote where he said: “The ...
- 141
4votes
1answer
870views
A Python tkinter Activity Planner (To-do List)
I have created a simple Activity Planner that allows adding tasks and associated sub-tasks. It is mainly based on the Treeview widget. This being my first GUI-based ...
- 173
4votes
3answers
1kviews
Thread-safe "singleton" that destroys object when not used anymore
I'm working on some legacy code which uses the singleton pattern. The problem I have with the traditional singleton is that the instance lives until the program terminates. This is messing up the ...
13votes
2answers
10kviews
Binary Search Tree Data Structure Implementation in C++11 using Smart Pointers
This implementation is part of my open source project forest. I wrote the following header file to implement a binary search tree data structure that supports the following operations: Insert Search ...
user151056
5votes
2answers
6kviews
Rest API for realtime statistics of last 60 seconds
The following code is my solution to a code challenge I submitted a few weeks ago. I got rejected straight away with no feedback and I've wondering why. I'm interested in hearing if there is any ...
- 51
2votes
1answer
15kviews
Check OpenVPN's connection status
I wrote a method that will start OpenVPN on a config file, and then wait to be connected. It relies on OpenVPN using Local Area Connection 2, which hurts code reusability, but I'm not sure how to do ...
- 1,494
2votes
1answer
150views
Modelling an account manager in OOP
I have this task of modelling a system where given a group of users each can keep track of their expenses. The basic requirements are as followed: To be able to give credit to an user. Find all the ...
- 5,137
2votes
2answers
223views
A trip down the single method interface rabbit hole
I responded to this question about designing around interdependant methods with the strategy pattern. Afterwards I started thinking about the functional additions to java 8 and wondered if I was ...
2votes
2answers
179views
Sending an SMS message using zenoss and python
I have just finished a simple python script which uses this module to call Zenoss API for getting live events. What the script does: connects to zenoss reads a file which has one phone number on each ...
- 9,276
1vote
2answers
842views
Which is correct : Open one Connection for inserting List of objects or open connection for every single insertion?
I have written the following method twice but I don't know which is better from performance perspective, code design and best practice. First: ...
1vote
2answers
146views
Array class to replace all iterator needs
Following dreams, I have started learning Java for Game Programing purposes and, during code I figured out that Iterators such as Queue, Lists, Arraylists and what not are very common. I have written ...
- 113
