I have completed this mockup eCommerce app using Javascript. This version can add product into shopping cart and automatically calculate the order summary in the shopping cart. It can also delete one item and all items in the shopping cart. All known bugs are fixed. Certain functions like paymen...

I've written this simplified code to compute Pi for educational/demonstration purposes. These methods are based upon the generalized means: see a presentation on Pi and the AGM. Archimedes' method gives linear convergence, which means you get two extra bits of precision per iteration. Gauss's ...

This is my first smart contract, and it isn't finished yet, but the remaining bits are complicated enough that I'd like to make sure I'm on the right track first. My concerns are: At line 117, is the missing division an actual division or a modular multiplicative inverse? (BigNumber provides ne...

Is there a way to improve this code. I'd like to use the enum type PaymentMethod directly in the angular template without renaming it to _PaymentMethod. export enum PaymentMethod { CreditCard, EFT } @Component() export class PaymentComponent { _PaymentMethod = PaymentMethod; pay...

there is a segment codes I wanna to refactor as sonarlint always comments "Refactor this method to reduce its Cognitive Complexity from 32 to the 15 allowed", below as code: for (Map<String, Object> row : rows) { String name = ""; String shopId = ""; String promotionId = ""; Stri...

I've currently started solving some competitive programming Graph questions. But Started using adjacency list as HashMap<Integer,ArrayList<Integer>> list . But in some problems, this doesn't work. so I decided to implement class Graph other than this HashMap. I would like a review of efficiency a...

I wrote this piece of code to do Genetic Algorithm optimization of a soft actuator. So it works by feeding a segment orientation vector to the Limb class which then constructs and evaluates the actuator. The orientation vector is 15 long like so ['TOP', 'BOTTOM', 'TOP', 'TOP', ...]. For some re...

I had a test about refactoring code. And don't know what it's about and how to fix it... Here's the original code. public class BaseScene { public BaseScene(object screenInfo) {} public virtual void Apply() {} } public class GameScene : BaseScene { private double screenRatio; ...

I have a problem about inserting data as image and date into Oracle11g database. When I click save button as insertion process, it throws an error. How can I fix it? Here is the error shown below. Field error in object 'employee' on field 'registerDate': rejected value [2019-09-11]; codes [t...

In this question I added a segment to the code scope only after describing the essential addition before the answerer in comments and getting his consent to make this addition in a reply comment. I didn't delete any existing code or changed any existing code and this is something I would general...

I need a little bit of refactor my initialize method because I think it will make initializer more flexible and readable. class LogAdminData DEFAULT_EXCLUDED_PARAMS = %w[ encrypted_password reset_password_token reset_password_sent_at ].freeze def initialize(admin_obj:, action_...

I have properties and the name of them should contain two words. For example, I have Payment entity and it should have two properties: a) Cash, which has been received b) Amount, which has been applied So, which names are good and sound good? 1) CashReceived, AmountApplied 2) ReceivedCash, App...

2^15 = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26. What is the sum of the digits of the number 21000? BigInteger big = new BigInteger("2"); big = big.pow(1000); String num = big.toString(); System.out.println(num); int result = 0; for(char i : num....

I have written a small program that reads input from a text file and then writes this output to a text file. The method contains a switch which decides whether to output to the file as text or as a literal string of the bytes. How could I refactor this code to only include a single if statement b...

When user choose position for Clark or Manager (For manager position, the salary is RM 2500 and Clark position is RM1500), basic salary will appear in in Basic salary TextField as below: https://i.sstatic.net/4znBA.png This is my coding i don't know how to do it.. package Task3; import jav...

The standard deviation (SD, also represented by the lower case Greek letter sigma σ for the population standard deviation or the Latin letter s for the sample standard deviation) is a measure that is used to quantify the amount of variation or dispersion of a set of data values. A low standard de...

Do you know any coding when we select from the combobox and another output appear in the textbox? https://i.sstatic.net/MX0B0.png like the picture when i choose manager the basic salary become RM2500 public class EmployeeInformation extends JPanel { public EmployeeInformation() { ...

Here is a working Python implementation of primality test. Is there something that I could change in code to achieve a better running time? from sympy import * from sympy.abc import x n=int(input("Enter a number : ")) def xmat(r,n): return Matrix([[2*x, -1], [1, 0]])*rem(1,x**r-1)*(1%n...

I Have a component what already is being a rather large file And I have two BehaviorSubject objects in this component. But is this the correct way of doing things. Or is there are better approach for? Thank you. And can somebody give some examples? Will be nice So this is the whole file: imp...

I have this little project i am about to release. https://github.com/holli-holzer/perl6-Win-VT I would be happy about a code review and suggestions for a better name. Discussion in IRC yielded Terminal::Win::VT or Terminal::Win32::VT::Enable as better alternatives. Or even Win32::Console::VT....

The code takes a list of names and extracts the three letter pattern from the names. Then return the list of names as a value in the dictionary with key as a pattern. The list name has a fixed naming pattern like three letter Spp in the example. It can extent like App, Bpp, Cpp etc.. How can I ...

I tried this simple face detection program with the help of haar-cascades in Opencv. I was able to get the required output successfully by changing the scaleFactor by a small amount.It is finding the faces correctly.But there is a problem with the output.Though the faces are being detected correc...

I have my below prototyped script and it runs fine but I need to scale it out at large. So, wanted to get feedback if my script can be improved in terms of performance and if there are any non standard stuff am doing in it. What is does: Script is to delete all the pods under defined namespaces ...

I would like to compare solutions for this challenge and especially have mine critiqued Challenge: Check if a string (first argument, str) ends with the given target string (second argument, target). This challenge can be solved with the .endsWith() method. But for the purpose of this challen...

I use ADO (specifically for accessing SQL) daily at work. So, I finally decided that I was going to create a class that makes it simple for myself and other programmers on the job to use. Just the other day, I saw @MathieuGuindon's post about creating parameters on the fly, and I really liked hi...

The script takes two input files of protein sequences and runs an external program (installed in linux/MacOS). The result provides a text output file example output.. Identity percentage is extracted from the matched keyword "Identity" in the line. Also, the script returns the result text file. ...

I am getting started in Rust, and as a part of my first exercise, I decided to write a small program that converts a hexadecimal string to a binary string using a pattern matched lookup. I would appreciate a constructive review. fn main() { let binary_value = convert_to_binary_from_hex("0x39...

I wrote a test application to familiarize myself with the Tornado with Python framework. The application currently generates a cookie, you can view and delete it. I also created a certain file structure. I would like to know if it will comply with current coding standards. Of course, I am also op...

This is my first ever Python program. I thought I would make a calculator that performs 5 operations: add, subtract, divide, multiply, power. I am aware Python has its own power function, called "pow", but I have defined my own power function for practice. I've taken the input as a single string...

I'm a beginning "pythonist" my current task is to write a checkers game and I need some suggestions here and there: are the code style and literacy answering the criteria of python? are the modules of my program correlating with each other correctly? are the algorithms of finding possibilities...

So today I decided to continue refining my JavaScript skills and utilized the Stack Exchange API (v2.2) to write a "user flair" replica. In case you don't know what the flair that SE provides is: The process was a little tedious in places, but only because I am still learning the concept of c...

I'm trying to loop through a list and use each of the list values to create a new table. I wrote a macro in order to do so. %macro loop(STlist); %let nwords=%sysfunc(countw(&STlist)); %do i=1 %to &nwords; %put %scan(&STlist, &i); %LET ST_CD = %scan(&STlist, &i); %end; %mend; %loop(&STATE)...

I have been writing a timetabling program and I have been using a matrix to check for clashes between courses. Index i,j in the matrix tells us how many people are in both courses i and j. My previous Matrix was just using nested vectors: std::vector<std::vector<int>> clashes; This would thro...