What is the time complexity of the following code in C#? array.Order().Take(k).ToArray(); Will LINQ treat this as QuickSelect? Or, will it perform full array sorting with the complexity O(n log n)?

I'm unsure about the proper use of volatile, because sometimes the field is volatile, sometimes not. I know what volatile is for, but I just have consideration how Varhandle resolves access to field. ...

I know that it's a never-ending question that comes back every now and then, but I'm really confused about these two. This is what I understand about them. In theory: LinkedList is faster at adding ...

Regarding the Codility problem MinAbsSum at https://app.codility.com/programmers/lessons/17-dynamic_programming/min_abs_sum/, the performance is bad if I use HashMap to solve the problem. I expect the ...

I'm working on a complex analytics dashboard built with React and TypeScript, which involves multiple nested components. I'm using a combination of state management techniques including React Context, ...

I’m building a React application with a complex form editor where users can make multiple types of changes (e.g., add, delete, modify fields). I want to implement an undo/redo feature to allow users ...

Users I am working on a machine learning project where I use StandardScaler to normalize my feature set. After scaling the data, I split it into training and testing sets using train_test_split. ...

I have datasets from multiple instruments with differing, but hypothetically concurrent datetime stamps. If date from instrument A does not correspond to any data from instrument B within some ...

This macro is used in Excel to data mine from Word documents. The macro iterates through a list of files to process. The first two or three files take 10 seconds each. After that each file takes 3.5-4+...

I have to provide data from a MySQL database, so I'm extracting that data with a traditional PHP/MySQL prepared statement, turning it into JSON with json_encode and echoing it. This takes almost three ...

I have purchased Google Colab Pro and I’m using it to run a notebook based on a code from Kaggle. I enabled the GPU runtime (Runtime > Change runtime type >A100 GPU) and confirmed that the GPU ...

I'm building a weather-themed portfolio with interactive animations that must maintain performance on mobile devices (≥ iPhone 8/Android 9). While I've made optimizations, I'm hitting performance ...

I have a next.js website that under the load 80 requests per seconds (for one pod) shows huge latency 20-30 seconds to handle a simple request like API call. I checked event loop lag and under the ...

I am traversing a list and want to remove a certain element that matches a condition. I also want to return that element. There are two ways I've come up with to do this. First: for (int i = 0; i < ...

I've been working with JavaScript for a while and often prefer using async/await for readability. However, I recently ran into a situation where switching to raw Promises (using .then) actually ...