Unanswered Questions
548 questions with no upvoted or accepted answers
9
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0
answers
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Tree for PowerShell
For anyone reading this old question, this module has evolved and improved a lot since then. It has been fully rewritten in C# and uploaded to the PowerShell Gallery! If you would like to try it out:
<...
7
votes
0
answers
569
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Red-black tree appears to be slower than std::multimap
I've written a red-black tree in C as an exercise. The tree works and it is not bad, but it is about 10% slower than std::multimap from libstdc++ which I'm ...
- 145k
6
votes
0
answers
107
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Chapter 8 Challenge: Add employee names to a department
The boring but exciting challenge:
Using a HashMap and HashSet, create a text interface to allow a user to add employee names ...
- 85k
6
votes
0
answers
128
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Android component animatable on its height
I'd like to have a code review for a component which is supposed to be animatable on its height. It's supposed to be a transitioning element.
I find it quite laggy on my phone.
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- 79
6
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0
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815
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Pseudo-parallel depth-first search
I'm writing a small program that generates a file containing an adjancency matrix, it then reads from that file, constructs a graph and does something like a parallel depth-first search (dfs) on it.
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- 14k
6
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Implement two level caching using spring's cache abstraction Cache and CacheManager
Details about spring's caching framework are here. When I was reading this link, I thought the composite cache mentioned there was one that used levels of caching based on the order given to the ...
- 35k
5
votes
0
answers
106
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Dial's heap in Java for integer priority queues
(The entire project is here.)
Intro
I have this priority queue data structure for non-negative integer priority keys. I recall that it is called Dial's heap.
Code
Implementation
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- 30.2k
5
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158
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Java OOP Hangman revision #4 includes UML
This is a continuation of this question. In the game the player chooses a topic and then gets a random word (or words) from that topic to guess.
I've repartitioned the code into objects several times,...
- 135
5
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0
answers
1k
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Exception handling: using @JsonProperty value to make error message
If the validation in RestController fails, I need to handle MethodArgumentNotValidException and provide an errorMessage, that ...
- 44k
5
votes
0
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66
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Fragment of code with Android MVP that checks login credentials via REST API
I'm learning MVP for Android and am wondering if that piece of code that I wrote is correct in terms of this pattern or maybe is completely messed up.
I'm wondering if there can be return type other ...
- 51
5
votes
0
answers
1k
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Mahjong hand completeness checking algorithm
As a summer project, I have been working on a small-scale, console-based version of Mahjong (the Rummy-like hand completion game, and not the solitaire version). While having prior knowledge of the ...
- 145k
5
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0
answers
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Mouse wheel scrolling for nested scrollable Swing components
By default, mouse wheel scrolling in Java Swing behaves differently than in web browsers. In Swing, when you have an inner scrollable component and an outer scrollable component, the mouse wheel ...
- 29.1k
5
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0
answers
2k
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Android audio recording using AudioRecord and ByteBuffer
I'm developing an audio recorder app for android using AudioRecord class to have a low level access to audio samples.
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- 51
5
votes
0
answers
53
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Macao, a General Game Playing AI library - Game state goes in, best move comes out
I'm working on a simple General Game Playing AI library. The idea is that it should work with almost any kind of game, with a minimum of configuration. At the moment, I have it working on 2 player ...
- 145k
5
votes
0
answers
382
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Optimizing Graph Algorithms for Floyd Warshall and Johnson Algorithm
I am trying to implement and compare Floyd Warshall and Johnson Algorithm(for Sparse Graphs). I have written the following code which produces correct output values for the all pair shortest paths. ...
- 151