Given a file that contains data which each line looks like this: (1664488476.413165) 721#BA02000000000000 Here's the format: (timestamp in seconds with decimal) message_id#message_contents Write a program that takes in this file, analyzes it, and prints out this information: Number of seconds th...

I have a mono repo with multiple nano services integrated with Kafka. The system data vesel is JsonMessage. This Json message is exchanged via these nano services. Same keys are used as element in constructing a key accessing data carried by these messages in a Redis cache. A global dictionary of...

Data coming from HTML form: several inputs that need to be entered into the database, any of which may be empty. How do you solve this task? My approach: check params, null if empty, than execute one query using a stored SQL procedure. DELIMITER ;; CREATE PROCEDURE `my_proc`(IN new_param_1 VARCHA...

I recently needed to make an array from a filtered sheet. Because the filtered results will be in multiple areas, the code I found online all referred back to the sheet in loops. I believe I have come up with a much more efficient approach, which has only four calls to the sheet for any size of f...

Here's the description: Please write a Java Program for managing parking fees. each hour is $3. The invoice has to contain: ID, amount, and subtotal. The maximum fee of the day is $30, and give out a 5-dollar coupon. The total parking Cars has to >0. If the entered cars is less than 0, the error...

I have recently created the Money class with a helper class Currency. What do you think about the following code? I created unit tests for my class using very nice pytest library. Is it a good idea to put code tests in the if __name__ == '__main__' or should I always use dedicated libraries like ...

I've been using Guava Closer for non-trivial resource life-time management. It is not thread-safe, and occasionally there is a need for a multi-threaded resource allocation. I could not find a library solution, so I've wrote one myself. I've done my best to handle exceptions and concurrency and m...

As a personal side project I started building a graph library in C++ (I know, very original). The code is open source, but for the purpose of this question I will provide the relevant details and the to-be reviewed code below. Architecture overview What I want to achieve The goal of the project i...

I've already started to creating apps in JS with OOP. I made simple TicTacToe Game in OOP and I want to ask you to review my code and point out everything that I can change about OOP. What is bad practice and what should I pay attention for? Thank you! class Game { constructor(figures, boxes)...