All Questions
77,573
questions
3
votes
1
answer
2k
views
Circular Queue using Linked List
I want to create a circular queue using a linked list. I also want to create many instances of that data structure (queue) without repeating the code.
This is what I came up with:
...
- 33
7
votes
4
answers
636
views
Classify values depending on predicates
I've to do a generic method Classify<T> that, given a sequence of elements of type T and an arbitrary number of predicates,...
- 113
2
votes
1
answer
64
views
Returning the next node
What is considered to be a good programming practice for returning value from the function? For example, if we have a function in C named ...
- 153
4
votes
1
answer
147
views
Strategy to reduce duplicate code in many similar modules
The Situation
I have created some code in the form of modules that each represent a medical questionnaire (I'm calling them Catalogs). Each different questionnaire ...
8
votes
5
answers
1k
views
Assembling a user agent descriptor, implemented using StringBuilder vs String
I think performance won't be a big issue here as the concatenation only happens once (2-3 at worse because of multiple threads). Out of the two methods, which one would you prefer, in terms of ...
- 191
2
votes
2
answers
5k
views
Find Missing Numbers in an int list
I have an alternative algorithm to the same problem as Finding missing items in an int list.
My implementation includes optional min and max bounds to selectively fill in the list.
The linked ...
- 31
6
votes
2
answers
895
views
1
vote
2
answers
7k
views
Replace CASE WHEN statement with something more sensible
While checking my SPs today I found that I have,
...
7
votes
1
answer
607
views
Making prime (sieve) code faster and able to run on big numbers
For an input triple (a, b, c), the task is to count the number of integers in the inclusive range [a, b] which have c distinct prime factors. This entails factoring each of the numbers in the range [a,...
- 103
3
votes
2
answers
212
views
3
votes
2
answers
405
views
Communicating messages to objects
In my MUD game engine, I built a messaging api that allows objects to subscribe to concrete implementations of an IMessage interface. Is there anything glaringly ...
5
votes
1
answer
259
views
Handle Settings in Windows App
So, I fixed my problem with a public ViewModel for my MainPage like this:
MainPage.xaml.cs:
...
user34073
19
votes
1
answer
445
views
Order a delicious pie here
For a quick summary: I've created this internal web application, and I've hit a point where I can really see the mess I've made. I need some help separating the logic, the view, and the data.
More ...
- 5,737
6
votes
1
answer
2k
views
C++11 lock free collection similar to std::forward_list - follow-up
This question has been superseded by C++11 lock free collection similar to std::forward_list - follow-up 2
Thread safe and lock free collections are very hard to write, so I'd appreciate any feedback,...
- 451
3
votes
1
answer
299
views
Generic publisher class
The code below is a publisher base class. I've never really liked the way I implemented this class. Are there any improvements/simplifications I can make to it?
Background:
The execute(...) method is ...
- 133
5
votes
2
answers
3k
views
3
votes
2
answers
419
views
Project Euler #14 solution takes quite a long time
Can anybody give me suggestions for making it faster? (Project Euler #14)
...
- 33
3
votes
3
answers
10k
views
Inserting persons in file into SQLite
I've just started working with SQLite in C# to test various features of an application. In building my first SQLite example I wanted to insert a large .csv into a table (Person) with two columns, A ...
- 213
1
vote
1
answer
2k
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:
...
- 111
3
votes
1
answer
74
views
Parse data into three logs
In the bit of code below:
How can I make add_day, add_ week and add_month work as a single ...
- 712
6
votes
1
answer
7k
views
Class for easier to read IProgress<Class> handling
The recommended way to report something as "progress" back from a async function is to use IProgress<Type> or ...
- 185
3
votes
1
answer
170
views
Execute startup method asynchronously
The goal is to call startManager on application start so that the manager is initialized in background without blocking application main thread.
Is it a safe ...
- 131
3
votes
5
answers
386
views
Function "between" for "Everything in One Line" library
This is a function to determine if a number is between x and y. It is part of a library of mine called EOL or "Everything in One ...
- 1,568
4
votes
2
answers
8k
views
Query results with many to many and some parameters using Entity Framework in a more efficiënt way
I've created a working query in Entity Framework and I'm curious if there's a better way to do this. Since there's a lot of field on my models, I will only publish the relevant ones here.
My Models ...
- 423
1
vote
1
answer
70
views
Memory searcher function test
This is part of the project I started just now. It is a function that returns the offset address of a first occurrence of a string match into a given range of memory blocks.
...
- 1,568
3
votes
1
answer
1k
views
"Sharing CANDY" on SPOJ
How can I improve it and its running time efficiency?
Problem (SPOJ/CANDY)
Jennifer is a teacher in the first year of a primary school. She has
gone for a trip with her class today. She has ...
2
votes
1
answer
87
views
Recursive material name printing logic
I have a function which goes through every name in an object. This object has an array parameter materials which holds other objects. Those objects have the same ...
- 129
3
votes
0
answers
185
views
Graphical editor with geometric intersection
If it is possible I would like some comments on the overall style of the program. It feels like I am writing the whole program as one big script and I'm not sure how to break it down into several ...
- 143
-1
votes
1
answer
2k
views
Merge sort optimization and improvement
How to optimize this merge sort code to make it run faster? And how to call merge_sort function without user input by declaring necessary array in the code?
...
- 89
8
votes
4
answers
142k
views
3
votes
3
answers
131
views
6
votes
1
answer
179
views
Classes to manage perks to be added and removed
I am looking for code correctness and design usage as I think I might be over doing it in the class department.
There are two things I'm mostly concerned with.
The possible redundancy of classes ...
- 169
3
votes
2
answers
2k
views
Simple DRY Rails - check if a model belongs to a user
I can clearly see I'm repeating myself, but I don't know how to refractor this without making it really ugly. What I have:
...
- 459
12
votes
2
answers
3k
views
Basic duel fight with OOP
How would you improve on this? It's been fairly long since I last did something slightly more extensive in C++, so I'm looking for ways to be more compatible with modern C++ ways, and this style of ...
- 351
10
votes
3
answers
4k
views
Brute force MD5 password checker
I'm trying to create a C# brute force MD5 password checker. If I run it with "test1" without MD5, it completes in 15 seconds. I would like to make it faster, but I'm a c# beginner, and don't know how ...
- 293
8
votes
1
answer
71
views
Managing initialization for a vector abstract data type in C
As an assignment, I was to create an \$n\$-dimensional vector type for \$n \le 20\$. This vector only has to support addition and scalar multiplication.
I tried to write good code, with proper memory ...
- 12.5k
2
votes
2
answers
45
views
Product matcher refactoring regarding scopes and arrays
I know I have seen this before and I can't remember how to fix it or find where I saw how to fix it:
...
- 23
1
vote
3
answers
490
views
Converting text to colored pixels and back again
Any suggestions for improvement or critiques are welcome!
...
- 25
5
votes
3
answers
11k
views
Vertical Histogram
I've been been working on a vertical histogram that prints an asterisk in place of a number in a certain range (say 1-10... and so on). My code is working as required.
Is there a better, simpler or ...
- 289
2
votes
1
answer
140
views
Rewriting linked list function without a NULL variable
This is how my LinkedList class looks like in PHP. I am trying to figure out if I can rewrite my reverse_list_recursively() ...
- 297
5
votes
3
answers
8k
views
Powershell script to create folders on remote servers
This is pretty much the first Powershell script I've ever done and I am here looking for a quick review of it. Is there something I could have done better? Is the format okay? I don't know much about ...
- 153
4
votes
3
answers
88
views
Displaying sorted results of a web crawl
The issue I have with this class is that most of the methods are almost the same. I would like for this code to be more pythonic.
Note: I plan on replacing all the ...
- 1,695
6
votes
2
answers
1k
views
Palindromes without character
You are given a string of lowercase letters. Your task is to figure out the index of the character whose removal will result in a palindrome. There will always be a valid solution.
Here is my quick ...
- 541
4
votes
1
answer
153
views
How should I name a function which shows or hides an element?
I have a function to display or hide some elements. What I want to do is to manage the display of those elements regarding a value.
How should I replace the term ...
- 171
4
votes
1
answer
80
views
Executing a list of tasks from a database
I have a list of tasks I get from my database (as strings) and then execute. However I'm uncertain on how to implement this correctly.
Currently I have implemented this in the following way:
...
- 185
1
vote
2
answers
265
views
1
vote
1
answer
33
views
The block should return the user's current_active_role
def current_active_role
user_roles.each do |r|
if r.is_active_role
return r
end
end
return nil
end
The block above returns ...
- 227
5
votes
1
answer
2k
views
Copy Cell on Worksheet_Change event if some criteria is met
This code is working fine, but it looks awful (yes, I am a rookie on this thing). How can I improve it to look better?
...
Felipe
7
votes
1
answer
411
views
2D Platformer Collision Detection/Resolution
I am working on a 2D tile based platformer and was hoping to get someone to review my collision detection. I've only included the X collision check since the Y is essentially the same. Any suggestions/...
- 105
-2
votes
1
answer
713
views
Clojure koans 14 - converting a map to a string
The koan is at the end of this snippet. It requires you to write a function to convert a map to a string, and then prepend a full name to it.
The following solution works fine. I am just wondering if ...
- 1,419