I'm writing a binary PowerShell module and have recently started to add wildcard support to some cmdlets. I'm not sure if I'm using an efficient way of creating the final collection of objects to write back to the pipeline. I'm wondering if it might be slightly more efficient to use a HashSet<T>...

I have managed to build an inheritance hierarchy for shape class object and I am wondering if there is a better solution to combine the following 2 hierarchies. To begin, I have a 4 shapes classes triangle, line, oval and square which 3 of (line, oval and square) inherit from abstract class Simp...

I need a user management service for my spring-boot project. I generally understand the use of DTO (Data transfer object) in spring. But when I'm thinking to design the service, I use multiple DTOs for just one "User" model, such as UserDTO, RegisterUserDTO, UpdateUserDTO, ManagedUserDTO.. UserDT...

I've been out of working in Java for quite some time now (almost two years), so I've been working on a fun side project just to get back into the swing of things. Essentially, in the long term, the goal of this will to be to compile a library that can be used in to create basic platform-like 2D ...

Microsoft Excel cells basically have two values: the formatted value that is shown to the user, and the actual value of the cell. These two values can be extremely different when the cell has certain formatting types such as date, datetime, currency, numbers with commas, etc. I am writing a scri...

I'm starting to play with F# to do some data parsing and I was able to create a function to group an array of string into sub groups. The code looks like this: let breakBy lines pattern = let rec breakByRec lines pattern acc = match lines with | [] -> acc | head::ta...

Problem I was interested in finding if a row, column, or diagonal of a character matrix has same character or not. I thought of writing a function, in which we pass a character, and function returns: 1, if a row, col, or one of the diagonal has all same elements, and 0 in any other case. eg...

This is a program which compute the circumference of two circles and give some information such as the difference between circumferences.I want to know whether the method declarations and method calling in my code is correct.I didn't face any errors. import java.text.*; import javax.swing.*; cla...

I am not really sure if my question falls under Code Review Stack Exchange. But here it is : I have the requirement of generating documents for end users of a mobile application and I have to host these and send them as links to the application. Because of this , I have to save the files in the s...

I'm currently learning swift by following the stanford developing ios app 2015 lecture series. I have completed assignment 1 but is wondering if there is any improvement can be made to my code. Also, I have not been able to complete extra credit no. 4, so I would appreciate if someone could off...

Checking if some port is up on the network is a very common task when working with remote services. A common way to check is using telnet, but I have two practical issues with that: telnet is not available in all systems, for example in recent versions of Windows. When connection is successful ...

Is my algorithm slow because it has problems? Or, is any bitwise common prefix solution not going to give me the performance I'm looking for? After profiling my algorithm, I found that over 60% of the time was spent on one line len(os.path.commonprefix(item1, item2)). I'm only looking for the l...

I've created a function to return all the indices where an element is to be found in an array. If it occurs twice or more, all the respective indices will be returned, for now it returns them in natural counting (1,2,3...) and not how the computer sees them (0,1,2,...). Thanks for your time. #i...

This web-site is very difficult to read. It appears you are using #444 for Text Color. Would you consider changing the default text color ?

HRESULTs are the common way for Microsoft technologies like COM and Win32 to return either an error code or messages that mean a specific type of success. They are usually returned as the result of a function. They have various pieces of information encoded in their bits, such as the OS facilit...

Before starting I would like to say that I just made this program after studying python for 5 hours for the first time so I am totally new to this programming language. This program tries to create 4X4 board denoting it with 0 everywhere. Now to deploy treasure, it randomly selects 9 position an...

So i was given this task of making a grid peg solitaire puzzle. The programs, the basic puzzle file, and the actual grid solitaire puzzle. Here is the puzzle software class Puzzle: """" Snapshot of a full-information puzzle, which may be solved, unsolved, or even unsolvable. """...

This is the first mini-project I have completed by myself with Python 2.7. I wrote a simple program that calculates the area of different two-dimensional shapes and it works. I want to know what you think of it and also want to know how it can be improved and if I did something wrong, so this is ...

public bool? OnStartApplicationsCommand() { var runCommandSuccessful = true; //get all the services for download begin ResolveAndUpdateDependencies(); CancelOperationCommand = new AsyncDelegateCommand(StartApplicationsCommand.Cancel, () => !StartApplicatio...

I've been learning more programming in the past few years (C, Java, Arduino) for my hobbies. I read the "C for Dummies" book and found that it was good, but did not cover much - especially pointers... One of my friends from college (CS major) suggested a simple program exercise to see if I could ...

I just finish coding this code which use for control robot using compass sensor with PID control to control motors. Trying to make javascript object for necessary job. Please guide me for a better code. Watch Video to get how it works I use johnny-five package for control Arduino and pid-contr...