I've been coding in a vacuum for several years and am trying to get up to speed on best practices, in anticipation of my eventual return to employment. I'm hoping this is the best forum in which to ask these types of questions. If not, please let me know. My first question regards assigning the ...

When a button is pressed an animation loop is triggered. At the start of the loop I create a new time object. I also have a pause button. A problem was created when paused and then started as the Date object would be recreated each time. The variable is global and not defined to be anything. ...

I'm moderately new to programming in C and I'm not sure about programming practices with code; suddenly I have had fears that my code is messy and disorganized. I can read it when I come back a month later yet I'm still nervous if I'm doing anything that's considered taboo. This isn't all the co...

I am working on a project in which I am supposed to make synchronous and asynchronous behavior of my client. In general, how our client will work as below - Customer will call our client with a userId and we will construct a URL from that userId and make a HTTP call to that URL and we will get ...

I was not sure if I should post about 200 lines here. I want to make this ant simulation faster. The bottleneck is at Ant.checkdistancebetweenantsandfood(). It would be great if you have some hints for some cleaner or more efficient code. I hope this is the right place to show this code. import ...

I have issues with dynamically typed languages, and I tend to worry about type alot. Numpy has different behaviour depending on if something is a matrix or a plain ndarray, or a list. I didn't originally have all these asserts, but I inserted them while trying to debug a type error. from numpy...

Is there any way to reduce total execution time for the function getSilhouetteIndex? P.S. I am using weka SimpleKMeans for getting kmeans and ceval. private double getSilhouetteIndex(List<ITSPoI> _POIs, SimpleKMeans kmeans, ClusterEvaluation ceval) { double si_index = 0; double[] ca = ce...

I am a complete beginner to programming, and have just started python a week ago. Using the newton-raphson method, and the quadratic formula, I devised a piece of code which solves cubic equations. Here is the source code:- def deg3(a,b,c,d,g): #using newton raphson method, I designed this to...

Based on the advice provided in my previous question, I would like to post the other source file that actually implements all the combat mechanics and also the actual evolution process. As with the previous question, I am interested in all kinds of feedback — regarding design, implementation, a...

The exercise is explained in the comments. Do you have any suggestion? package com.atreceno.it.javanese.attic; import java.io.BufferedReader; import java.io.FileReader; import java.io.IOException; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.ut...

I am practicing my recursion skills as I think I am really weak in this area. I have written the following Java class, its purpose is to reverse a string but to do it 'in-place' - i.e. no additional arrays. I have two implementations - one iterative and one recursive. Why would I choose one impl...

This question has been posted and tagged with assert. It is the first assert-tagged question, and the tag appears somewhat relevant, but I am not certain that it adds any significant value. Already there are edit-suggestions for a full wiki-text on this tag. Should the question simply be untagg...

Visual Studio somehow optimizes the below code to be 20 times faster (release with optimization vs. release with no optimization). What could it be doing? for (unsigned n = 1; n != units.size(); n++) for (unsigned j = 0; j != (units.size() - n); j++) { unsigned sizesM...

I am attempting to code a program using batch script (I know no other programming language) which saves me time rolling on multiple tables to create a random encounter for a PnP RPG. The program simulates a d100 roll using set /a nsides=100 set /a d1=%random%%%nsides+1 then checks the value o...

I've a application which runs with two threads. The main-Thread runs in one infinity-while-loop: while (true) { try { ArrayList<Info> infoList = zabbixHandler.APIRequest(); handleInfo.handleInformation(infoList); Thread.sleep(5000); } } The second Thread, which uses mor...

I am working on a haskell exercise where I have to compute the amount of people riding a rollercoaster in a day. I have the following data: the number of rides in a day, the number of seats, and the composition of the queue. The queue is a list of groups. During each ride, the first few groups ...

I want to round with a variable that will change everytime. String.format("%.(cuttOff)g%n", num) Is this possible?

This Question has been closed by votes Rounding with a variable I was the last close vote on this question, does that automagically flag this post when there are no comments? will it count against me if the flag is disputed or declined?

I've been playing around with inheritance in javascript and I'm wondering if there are any drawbacks to this method which tries to emulate classical inheritance from C based languages. Function.prototype.extends = function (parentClass) { function temp () { this.constructor = this; }; te...

I have the following code to load an enumeration into a bound combo box, but am not quite happy with it. I would prefer to store the actual enum value in the combo box and bind directly to it. However I cant quite figure out how to. public enum HemEnum { HemNone = -1, Hems...

I have a class Creator which will execute a block code for a number of times. I'm not sure how to write this in a more elegant way in Ruby. class Creator attr_accessor :block def self.create(&block) @block = block return self end def self.for(number) 0.up...

I have written a small application in Haskell and I wish to get a code review. Since I'm inexperienced, I cannot really write a bullet list of things I'm not satisfied with in my code. It would just be helpful for someone to review the entire application, as any kind advice is welcome. Is it ap...

I've written a small Game of Life module in Haskell, as well as a small testing application. I'm relativly new to the language so any kind of comment about the code is welcome. The most important comments for me are comments about efficiency of the code, and of course bugs. I would also be happy ...

This utility package is part of the arc library. I'm happy with my naming conventions as un-conventional as they may be. Looking for general balanced feedback. /*************************************************************************************************** **ARC Goal: - to create a small...

I have some code, which I want to present in UML, but I've stuck at one point. Let me tell you something about code's functionality. I have a workspace in which I can place some Components, select them, delete, add new, move etc. I can also connect them according to some rules (there are differ...

As xts objects are arrays, getting apply functions to work is a little tricky if you want to preserve the dates. For example, take the xts object xx below: xx <- xts(replicate(6, sample(c(1:10), 10, rep = T)), order.by = Sys.Date() + 1:10) Say we wish to apply a function to each co...

So I wrote this function to convert a given number to its interpretation in the English language as part of the Project Euler exercises. It works fine, but I sense that it's rather sloppy and inelegant, especially for Python where many things can be done quickly in a couple of lines. Any feedba...

This is the next version of a utility library: Here are the changes I've made. When throwing an error I throw an error object instead of a string. I removed one utility function that seemed out of place. A more thorough explanation of how it all works together at the top. /*******************...

I am working on an app, a virtual sandbox of sorts. Alot like the powder game. The problem is, when working with an app, you must deal with hardware limitations. Don't get me wrong, the speed isn't like 2 fps or anything, but I would just like for someone to look over the code and point out any s...

I am working on building a UndoManager in c#. The concept is to store events and property changes in a Stack < Action < T > > instance. I believe it is working, but I am also looking for peer review. What can I improve, or do you see any bugs? Your feed back in appreciated. public abstract clas...

#include<iostream> using namespace std; int main() { int Elder = 0, Young = 0; float shares = 0.0 , aMount = 0.0; cout << "Enter Amount: "; cin >> aMount; cout << "Enter Age Elder: "; cin >> Elder; cout << "Enter Age Younger: "; cin >> Young; cout << Elder <