I'm working on a project for school using Xamarin. I'm not super familiar with Xamarin so I will try my best to explain my issue. My App has a Courses Page and a Add New Courses Page. When clicking on Add New Course I get the error: System.Reflection.TargetInvocationException - Exception has been...

I have implemented few functions in C language that manipulate strings. These functions are not present in the standard C library. Can someone please review the code. The code is below: string_library.c #include <stdio.h> #include <stdlib.h> #include "string_library.h" /* * get_input_from_s...

I have several products. A product can have 1 or more images. In each image, we have content slot. I don't want duplication per content slot in a product. My code works fine. I'm just wondering what will be a better way to do this or improvement on my code? Codesandbox is here CLICK HERE <Aut...

I'm learning rust (coming from C++) and playing around with different small algorithms to understand the ownership & borrowing concepts better. Currently, I'm having difficulties finding the idiomatic way to reuse a Vector after iterating over it in a for-loop. This is the (very verbose) code I c...

The following is a put controller I wrote to update a document. What I am updating is a particular array in the Model: The issues array. The schema for the Model is given below. It works and updates the issues array of the document.: If the array gets very big, would using the updateOne method b...

This is follow-up on SQL (ODBC) bind to C++ classes row-wise The main idea behind this code is to minimize number of ODBC API calls, because profiler shows significant amount of time is spent in intermediate layers (not waiting for IO). ODBC supports bulk processing, but it requires all buffers t...

This question is a supplement to my previous question: Counting 'absolute' nesting levels of an iterable. I would like to expand functionality of counting nests in order to get values from given nest. I created 2 examples: dct_test = { "a": {1: 2, 2: 3, 3: 4}, "b": {"x": "y", "z": [1, 2, ...

I wrote a time clock management system for my employees. I have written a report that will breakdown all entries between a date range, and a class. It will then go through each period of time (i have set for 1 month). In each month it will sum all sub classes and bring a total for a the class and...

I am new to react and I tried to implement a TODO application using react state and props. I need somebody to just review the code and suggest improvements in the code. Currently I have not added any CSS to it, I am focusing more on react practices. code sandbox link- https://codesandbox.io/s/ado...

I'm implementing some simple algorithms (e.g. two-sum) in OCaml and am unsure why my OCaml solution is running much slower than the equivalent Python version. My OCaml version: open Base let two_sum_hash lst target = let rec loop tbl counter = function | [] -> failwith "No sum found" ...

given a number and two dimensional array the method will check if the number is in the array the array is quadratic circular size n x n and each quarter of the array contains bigger numbers that the previous quarter(picture added) the code i wrote: public static boolean search(int matrix[][], i...