I am looking for a more efficient way to replace the below code.
The code works by replacing the odd elements of arr into symbols corresponding to the odd elements of arr
0 = '+'
1 = '-'
2 = '*'
3 = '/'
4 = '^'
so 12345 would turn into 1*3^5
Code:
elements = 1
arr = [1, 2, 3, 4, 5]
sym = [...
So, I took a look at the August Challenge and thought, "hey, I should try that" - but given I only really know VBA, I did it in excel. Maybe that's not the intention, but I did it anyway. Experience it on github.
First thing to do is create the racetrack -
Sub CreateGrid()
ActiveSheet.Name ...
I've implemented a concurrent hash map for integers.
class ConcurrentIntHashMap {
private transient Entry volatile table[];
private transient int count;
private int threshold;
private float loadFactor;
private static class Entry {
int hash;
int key;
...
Based on this question: WPF Calculator Code
The question's code... works, according to the author. However, I quickly spotted multiple bugs. I know that Code Review is not there for fixing bugs. A single, minor bug shouldn't halt review process, however. But what do you do if there's a consisten...
Yesterday I found myself struggling with creating an A * algorithm in Java, but this morning I finally figured it out, so I would love to hear what Code Review has to say about it!
The goal here is not performance since it was a learning exercise. I tried to make the code and algorithm as reada...
As part of a project I'm working on, I need to measure FPS. In the past, I would do this within the actual project itself, but recently I've been trying to implement more abstract (and reusable) manners of doing such simple things.
So, I built an FpsCounter class that handles all this for me!
/// 
C#
StyleCop (free)
It can be run from inside of Visual Studio or integrated into an MSBuild project.
ReSharper (commercial)
A paid Visual Studio extension (possibility for open-source "community" license though) with a free 30-day trial.
FxCop (free)
Can be run standalone, but later versions...
In Java there is the Unsafe class in the java.lang.unsafe package that provides low-level access to operations.
Now it seems to me that the JVM needs to support all of the methods available in the Unsafe class in order to be compliant to the JLS, example methods can be found here.
My question n...Now I have this Introsort for integer arrays.
Introsort.java:
package net.coderodde.util.sorting;
/**
* This class implements Introsort for integer arrays.
*
* @author Rodion "rodde" Efremov
* @version 1.6
*/
public class Introsort {
/**
* Sorts the entire integer array.
*...
I did an attempt to implement a Properties File MRU Cache with a limited cache size which are of the most recently used properties can only be held in. A read miss from this cache leads to a read from the file for that particular property and keep it in the cache until it goes out of the limit w...
Here is a simplified implementation to obtain the duplicate words in a text using Lamba expressions.
public class FindDuplicateWordsInText {
public static Set<String> findDuplicateWordsInText(String text) {
String[] words = text.split(" ");
Set<String> duplicatesRemovedSet =...
I am relatively new in Bash, regular expression and stuff. In a directory, I need to read the last line of all the files that contain the word "fitness", and list (on one line and separated with comas) the first element of these last lines (where elements are defined by spaces), whenever the seco...
