instruction stringlengths 71 95.1k |
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I have a tree-like structure called grid. I have designed it as a structured numpy array. Each element of grid is a tree-node. Each node itself is a structured numpy array, with fields that describe its bounding box (xmin, xmax, ymin, ymax) in 2-D space. Each node has an ID which is basically the index of that node in ... |
I am building this program to keep track of the books I have read and the series I want to read, and I would like help on improving the user interface.
import readline
import os
import sys
from dataclasses import dataclass
from typing import List
from pickle import dumps, loads
FILE = "books.pkdb"
CLS = lambda: print(... |
I have created a script (mediawiki gadget), which iterates over every redlink in a rendered wiki-page (that is, over every href with class new, signifying an internal link to an article that does not exist), and checks if the title exists in a set of known pages. If it does, a few attributes are changed. The execution ... |
I have developed a code to send tickets (PDF files) of a specific product in the order confirmation. I place the PDFs in a folder (i.e. Tickets) on the server after the purchase is completed. The code retrieves the corresponding number of PDFs based on the quantity of the item, sends them in the confirmation email, and... |
I'm trying to extend the Mongoose RESTful server example with URL routing.
This code relies on the Mongoose library available here.
This is heavily inspired by the routes class from this question but I've tried to use a multimap to store routes and make lookup more efficient, as well as support Mongoose's wildcard matc... |
Problem: User inputs a word or phrase as command-line argument and a new word is printed with some vowels replaced by numbers.
Question: How do I improve my code design and style? Is it possible to not have to repeat x[i] == '…' in my if statement?
#include <cs50.h>
#include <stdio.h>
#include <string.h>
string replac... |
I've been following the ever popular 'vulkan-tutorial.com' guide on Vulkan and the result is this program which draws a multicolored triangle. I'm interested in finding out how to make my code more concise and easier to manage, what data/methods REALLY need to be class members or can be local to a function, etc.
The pr... |
Usage of the program is in Facebook.
Intro
In this JavaFX program, a user is presented with a white canvas with a black circle at the center of the canvas. Then, the user has 10 seconds to record a video by dragging the circle via mouse. During the recording, there are two different video recording algorithms recording... |
I've written an implementation of shared_ptr. It doesn't support weak_ptr (yet) but below is the code. I'd appreciate any feedback, comments.
#pragma once
#include <iostream>
#include <memory>
#include <utility>
#include <cxxabi.h>
template <typename T>
void del(T* t)
{
delete t;
};
namespace graham
{
using ... |
Implementation of the vector class in C++ for learning purposes. Tried to implement interesting parts from the API shown on cppreference.com, but some elements like custom allocator support are missing.
template <typename T>
class Vector {
public:
using value_type = T;
using size_type = std::size_t;
using... |
I have a class that takes in two strings via the __init___ method and then does a bunch of string manipulation to return numerous other strings via instance methods. Some instance methods rely on other instance methods. Anyways, I feel like this could be made more pythonic and OO, but I'm quite bad at more advanced ... |
I have been wrapping up the markup for my personal electronics project website, https://www.salvagedcircuitry.com. I write about designing, repairing and producing electronics, along with some mechanical projects. I wrote the site from scratch with a goal of being as lightweight and fast as possible. It is written in h... |
I created the below class as a convenient way to create instances of PDO that I then inject into the classes that need access to my database. Instead of doing $this->db->pdo in subsequent classes, I overloaded the call method, but I've been reading in some posts that it's a bad practice. Would it be better to just crea... |
I have finished with my product but I am not that trained in refactoring, cleaning up my code and spot redundancy so I would really appreciate some help.
namespace Product_manager
{
// Product class represents a product with category, name, and price.
class Product
{
public Product(string category, ... |
package LoginSystem;
import java.sql.Statement;
import java.sql.Timestamp;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
//data base consists of columns [ID, username, password, numOfPasswordChanges, passwordChangeTimer]
public class DataBaseCont... |
I gathered a lot of information in order to try to make my code as secure as possible, and I would like to know what I can do to improve more its security. (Sorry for my english if it's bad)
What did I do:
Only logged-in users will be able to upload images.
If a user has uploaded more than 10 images in the last hour, ... |
Context
As part of our React application, in which we use functional components, we encountered a scenario where we needed to debounce parts of a DOM event listener for usability purposes. The actual scenario is a bit complex but I'll be simplifying it in the next sections for the sake of the question.
The partial debo... |
I'm thinking I implemented it optimally, but somehow it's much slower than what should be much slower, np.argmax(np.abs(x)). Where am I off?
Code rationale & results
Mathematically, abs is sqrt(real**2 + imag**2), but argmax(abs(x)) == argmax(abs(x)**2), so no need for square root
np.abs(x) also allocates and writes a... |
here is my first virsion question: Is it good practice to have all my back end in one single file with all functions being static?
import java.sql.Statement;
import java.sql.Timestamp;
import java.sql.PreparedStatement;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.sec... |
To multiply the matrices A and B using the outer product of vectors, we can express each row of matrix A as a row vector and each column of matrix B as a column vector. Then, we can take the outer product of each row vector of A with each column vector of B and sum the results.
The outer product of two vectors u and v ... |
Task
Write a Ruby function, which accepts a path to a text file and returns a string consisting of the last n lines in reversed order, separated by commas.
Example input file:
0. Line of Text
1. Line of Text
2. Line of Text
3. Line of Text
4. Line of Text
5. Line of Text
6. Line of Text
7. Line of Text
8. Line of Text
... |
Problem Statement
I have a class named Mapper and with a method mapTo which goes through a map of rows and checks types of key and do a casting and store it in a new map.
@Slf4j
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public class Mapper {
public static Map<String, Object> mapTo(Map<String, Object> row, M... |
I'm learning C++ and I wanted to test my knowledge by implementing a Binary Search Tree using struct (I know, I’m using C++ I should use classes but I want to keep it simple).
As far as I know, all the functions work right, my problems are:
Can I improve how I managed raw pointers?
(I know I should use unique_ptr but... |
The model I'm building first selects a secret word at random from a list. The model which uses an API then returns a row of underscores (space separated)—one for each letter in the secret word—and asks the user to guess a letter. If the user guesses a letter that is in the word, the word is redisplayed with all instanc... |
Following on from this post and taking on board some of the suggestions, what follows is a re-write of the original python code. It's also just a rewrite of some of the functionality, this code only deals with the invoice data and turning it into a PDF, rather than collecting/inputting the invoice data then turning it ... |
I have certain URLs which I want to convert to another, for example,
anything that starts with /some/url/:
/some/url/a/b/, /some/url/a/222/111 will be considered as /some/url/
Currently what I do is to have an array of URLs I know I want to "convert":
public function get_converted_url($request)
{
$full_url = $reque... |
I'm learning C and as exercise I'm trying to implement a custom function to parse a input from user and return successfully only if the input is a number.
These are my files, how could I improve it?
my_main.c
#include "my_utils.h"
void main() {
int a;
char num[10];
size_t l = sizeof(num);
a = read_in... |
Took a shot at implementing std::unique_ptr.
Code:
#include <memory>
#include <stdexcept>
template<typename T>
struct DefaultDeleter {
void operator()(T* ptr) const {
delete ptr;
}
};
template <typename T>
struct DefaultDeleter<T[]> {
void operator()(T* ptr) const {
delete[] ptr;
}
};... |
This is a Python script I wrote to generate generalized Ulam spirals.
I call the spirals generated by my code Ulamish spirals, they are one dimensional polylines that cross all two dimensional lattice points (points where both coordinates are integers), and they grow in a counterclockwise spiral manner. And my code can... |
Background
As discussed here on Stack Overflow, I am comparing a local and a OneDrive version of the same superfolder, in order to identify discrepancies in the sync. As such, I must compare all files and (sub)folders.
I am using Power Query to list the full contents of each superfolder. Since comparison will require... |
The problem statement:
An arithmetic progression is a sequence of the form a, a+b, a+2b, ..., a+nb where n=0, 1, 2, 3, ... . For this problem, a is a non-negative integer and b is a positive integer.
Write a program that finds all arithmetic progressions of length n in the set S of bisquares. The set of bisquares is de... |
This is a follow-up question for A recursive_depth function for calculating depth of nested types implementation in C++. I am rethinking about the proposed recursive_depth function. When it comes to the type std::string, the output is always 1 because the base type is char. However, why it is 1, not 0 from the perspect... |
In a recruitment interview I got this small projet to do at home: rest API written in Java using Spring Boot. As I didn't hear back from the company I wanted to have feedback from review.
I am a rest api/spring boot beginner.
Requirements: Design a rest API managing horse races and their particpants:
A race hase a nam... |
I wrote a mouse and keyboard event system in C++, using the GLFW library to get mouse and keyboard states.
I've been working on a 3D game engine of my own for a long time (about 9 months) and wanted to have a way to handle input independent of having to intertwine GLFW calls randomly in my code (thought this would be g... |
Most of my programming experience is in Python, but my first language was C, and I was intrigued by the combination which Rust offers: a streamlined syntax and no manual memory management, but with all the performance possibilities that a strongly typed, low-level language has to offer.
To that end, I have begun teachi... |
I'm looking for some help. I'm new to coding and have started creating this Vehicle database program in Excel for a friend to use.
He is wanting to be able to see all vehicles he owns, when registration is due as well as input any vehicle services that have been done.
I have created a User form in Excel, one for addi... |
I am a student who is interested in data analytics and currently figuring out how to write forecast models for several scenarios in R. I'm working on a fictitious project in which I want to forecast the turnover for all months of 2023 by having historical data since 2010, which are affected by the Inflation Rate and th... |
Introduction
This is my first CMake project. I had a bit of help with the initial setup but I have since made a lot of changes myself. It's working well but I think I am doing things in a slightly unconventional way.
In particular, I am unsure about:
1) Dependencies
Instead of using find_package (which I am still strug... |
I'm tried to implement the Data Access Object Pattern. I have a base abstract class that is then extended for a specific table. I tried following some guides, but couldn't find a lot of info on this pattern.
<?php
namespace NicholasJohn16\Database;
use \PDO;
abstract class DataAccessObject
{
/**
* @var \PD... |
I am currently working through the Javascript portion of the Odin Project curriculum and have completed the library app project.
As far as I can see everything is working as expected and I have completed all the object requirements (users can add books to their library, delete books, and update the 'read' status of eac... |
I'm trying to solve the USACO problem Censoring (Bronze), which was the first problem for the 2015 February contest. My solution works for some test cases, but then times out for test cases 7-15. I expected it to run with O(n) time complexity because of the while loop, which should work, but it didn't.
Problem:
Farmer... |
Implementation to accommodate different behaviours based on the frequency a user interface element is clicked. It supports number of clicks and number of clicks in a time frame.
var thresholder = (function() {
return { supply : (betweenShifts) => {
return {
millis : ()... |
The code below is a Sticky Note App.
import sqlite3 as sql
from tkinter import messagebox
from tkinter import *
from tkinter.ttk import *
from tkinter.font import Font
from ttkthemes import ThemedStyle
import logging
logging.basicConfig(filename='app.log', level=logging.INFO,
format='%(asctime)s - ... |
I have a Job class that represents jobs in a manufacturing system. The idea is that a job requires some quantity of certain materials, and it outputs some quantity of materials as well. It also has an amount of time it takes in minutes.
I'm representing the material requirements/outputs using Dictionary objects which m... |
I have SignalR app that publishes sent messages to Redis. My console app subscribe to channel where these messages are sent, deserializes it and saves in database.
Problem is with handling these events, as I want to make it in parallel. If many events are published, then the code crashes on opening database connection,... |
I have a use-case where I want to iterate from the middle of an array outwards, so I generate a list of indices as follows:
import itertools
def array_indices_from_middle(array_len: int, num_indices: int = 16) -> list[int]:
"""
Create indices for an array starting from the middle and then appending indices al... |
This function takes two inputs: A is 2D (N,5) while B is 1D (N).
It tries to find the smallest j such that A[i,j] > B[i] for all i.
Using numpy with argmax trick is slower than this version where I loop manually through all i and compile it with numba. I think the reason why is because as N gets much bigger (~60000), i... |
I have this code:
CompletableFuture<UaaToken> completableFuture = CompletableFuture.supplyAsync
(()-> client.getAction(.........);
Token token = null;
try {
token = completableFuture.get();
} catch (Exception ex) {
logger.error("error get token", ex);
}
if (token == null) {
logger.... |
Task description:
Implement a function, which accepts two paths: The path to a source-directory & the path to a target-directory. The function shall return true if the directory has become copied successfully. The function shall return false if the copy failed or if something has become specified, which isn't a directo... |
These are two Python scripts I wrote to convert a GIGANTIC text file of over 100MiB in size (the current version is 152.735MiB) to an SQLite3 database to use for geolocation, and the script that queries the converted SQLite3 database to geolocate a given IP address.
The text file is the data dump of IPFire location dat... |
Given an input color string in the format "#ABCDEF", representing a red-green-blue color, find the shorthand representation of that color that is most similar to the given color. Shorthand representation is in the form "#XYZ", where X, Y, and Z are one of the 16 possible hexadecimal values \$(0-9, A-F)\$.
The similarit... |
Is there a meaningful way to simplify and refactor this function? It sorts the flop by rank and assigns a new suit according to the
sorted rank order. Higher ranked cards will be assigned spades, middle ranked
cards diamonds, and lowest ranked cards clubs. If two or three cards of the input
flop have the same suit, the... |
I have written a Tic-Tac-Toe game for two players, where each player uses the same keyboard in Python
I'm happy with all kinds of feedback from this community, it is very much appreciated. I am wondering how I can make this code better in performance ? Since I am not up to classes yet, I only have functions
#PseudoCode... |
Here is some code that generates the zero element of an Abelian sandpile model (ASM), for any given model dimensions, and then plots the result as a colormesh. Here is a wiki page explaining the ASM. The code is extremely slow, especially for large arrays. How can I make it more efficient?
import numpy as np
import mat... |
I wanted to make a simple time input and not the built-in one which is not consistent on browsers.
I did the following:
#time-input {
display: flex;
width: 150px;
border: 1px solid black;
border-radius: 8px;
padding: 3px;
}
input {
min-width: 0;
border: none;
}
input:focus {
outline: none;
}
#hours... |
I've created a unique page counter using a PHP script. Pages could be videos, images, publications, etc.
Every time a new user views a page, I record the entry and increment the view counter.
I cannot increment the counter for the same user until 24 hours have passed.
The way I build it is by using the user IP address ... |
I have developed a Python script that allows users to upload videos from YouTube to LBRY. The script also performs video post-processing and database operations. I would like to request a code review to get feedback on the code quality and potential improvements. [The Github Repo - v0.1.0]
I have only used sqlite and h... |
The idea is that the TUI struct handles what gets printed to the terminal (I will make it pretty in the future, right now I'm just building its core functionalities) and for processing input. It's what interfaces with the TaskManager struct, which stores, adds, removes, and modifies tasks.
Here are the Task and TaskMan... |
Which of these 2 functions is better and more readable and why? (Both functions do the same thing).
My goal is to get the total time of a series, using the TMDB API (which has a limit of 20 different things in the append_to_response parameter).
async function getSeriesRuntime1(tmdbId: number, numberOfSeasons: numbe... |
I have a Python script that calculates the historical S&P 500 returns from a starting balance and annual contribution. The script also outputs interesting statistics (mean/min/max/stddev/confidence intervals) related to the historical returns. I'm seeking feedback on how the code could be refactored more efficiently.
s... |
This commonly referenced "bit twiddling" site has an interesting algorithm for interleaving the bits of two 32-bit integers. Here is my attempt at completely generalizing the algorithm using C#'s generic maths feature; all "magic" constants have been replaced with functions and the primary loop has been unrolled for ty... |
I am implementing two lists with draggable items. The items can be re-arranged within each list or can be inserted to another list.
I had some difficulty implementing the drag and drop behavior when one list is empty. I ended up adding an if(parentNode.nodeName === "DIV" conditional which I am not particularly proud of... |
I've written a small program that will accept a directory path and recursively calculate the MD5 hash of each file.
use std::{env, fs};
use md5::Digest;
fn main() {
let args: Vec<String> = env::args().collect();
let mut entries = get_files(&args[1]);
}
#[derive(Debug)]
struct FileInfo {
full_path: String... |
So I wrote a basic C# console application that computes the Jaccard Index. This has its applications in cybersecurity and machine learning. Given two sets X and Y, the basic formula is:
$$ J(X, Y) = \frac{|X \cap Y|}{|X \cup Y|} $$
where the bars in this context refers to the number of items in the set or the result of... |
Dear Code Review community,
I try to develop a reproducible code to pool univariable regression estimates across multiple imputed data sets in R.
I therefore prepared the following code that is supposed to:
perform univariable regression for each variable described as "predictor" across the multiple imput datasets,
po... |
This is a simple exercise to find the count of digits of all numerals in a given base up to a given limit (not including the limit), I wrote it to determine the ratio of bytes saved when the numbers are stored as integers rather than strings.
The logic is simple, in base-10, there are 10 natural numbers that can be exp... |
I'm new to bare-metal programming. I'm currently developing some drivers for my first project.
This is a simple GPIO driver. I tested it and it's working fine.
What do you guys think of it, and how could I improve this?
GPIO.h:
#pragma once
#include "stm32f4xx.h"
#define BIT(x) (1UL << (x))
#define PIN(bank, num) ((((... |
I wrote a code and the code counts the number of identical elements between the arrays s and d at the same index. I need to optimize the code for speed and readability. I tried HashSet but it didn't work at all. Do you have any Suggestions?
public static void main (String[] args) throws java.lang.Exception
{ Scanne... |
I'm currently learning Express.js and I wrote this authentication code. I'm unsure if what i have is correct, how to improve it and if it's secure. For user and session data storage I'm using PostgreSQL database. For session management I'm using express-session and connect-pg-simple libraries.
Any and all feedback is a... |
In a project, we use service methods, there, we have to validate certain required inputs for our business logic to work:
public void exampleMethod(final UserDto user, String sthElse) {
if (user.getId() == null) {
throw new CustomHandledException("example");
}
if (sthElse == null) {
throw new C... |
I use the code below for building machine learning algorithm.
In the end, I need to validate model performance.
However, I am confused if I do it correctly or not.
from sklearn.decomposition import PCA
from sklearn.discriminant_analysis import LinearDiscriminantAnalysis
from sklearn.ensemble import RandomForestClassifi... |
I created this method for consecutive days to be listed with a dash, non-consecutive are separated by “and”. In my UI control I am only getting back a selectedDays: string[],. In this sample I am getting Mon,Tue,Wed,Fri. I am mapping then to the number 1 - 7 and then looping that list and removing consecutive numbers. ... |
I like the simplicity of EnsureSuccessStatusCode for HttpResponseMessage after a call using HttpClient. But it does not really provide great information. This is my replacement for it.
I am looking to see if I have missed useful information that is in the HttpResponseMessage, if there is a better exception type to th... |
I'm new to Kotlin and wanted to give this mini project a try. Please let me know if you have any improvements in mind. I'm thinking error handling, structuring the module, is there too much going on in the main function that I should handle elsewhere, is the logging handled correctly (it works, but it's a bit odd to pu... |
I am creating a web project where I retrieve records from my database - AWS DynamoDb. I desire to have an abstraction layer in case the database provider needs to change.
This is the pattern I am commonly following. The model class, the dynamo db model class and a transformer class.
public record Student (String id, St... |
I've got a controller with two actions that need to support two units: hours & times. The url should read like this:
api/workflows/active/next/hour
api/workflows/active/next/time
api/workflows/active/next/3/hours
api/workflows/active/next/3/times
In order to not write any extra validation for the unit parameter I ha... |
The Problem
As part of my doomed efforts to learn Rust, I decided to get to grips with how the language handles classes and objects. But, instead of taking on some well-known exercise, I thought it would be more fun to try to answer a question which has been nibbling at the back of my mind since I was eleven or twelve.... |
I am a beginner in Python. This is my first project in Python (that I tried to complete).
There is a grey square that acts as the Flappy 'Bird' with green obstacles spawning with random gap sizes. The difficulty of the game stays the same for now. If an obstacle is hit, the game closes (I haven't implemented any menu t... |
Please review C++ class BubbleList design with performance in mind.
Named BubbleList as pooled (unused) objects bubble to the high end of the vector, providing a continuouse set of active objects, delimited by BubbleList.count
It is designed to reduce memory allocation / free overheads of many short lived objects in ga... |
I'm new to assembly and I've just finished this guessing game that I wanted to make to improve my skills in this language. It runs in a Unix environment and does the following:
generates a random number between 0 and 255,
the user inputs a guess belonging to that range,
the program converts it into an integer,
the pro... |
The function validates whether the input is an int, is there a way to make this more concise and is it best practise to use the try/except or just if/else? I then want to create a similar function for checking whether the input contains letters only using isalpha()
def int_validation(prompt):
"""
Validate the g... |
I'm new to Assembly, and this is my very first "project" in Assembly. I wanted to store data (numbers) on the stack, then access and display them. Eventually, this "experiment" of mine grew to become a tiny library of 3 functions.
There are 3 functions:-
push_ASCII: For ASCII strings
push_int32_as_ASCII: For int32 val... |
I use the below code to include context specific information in logging record (see obj).
import logging
def setup_logging():
logger = logging.getLogger('sample')
logger.setLevel(logging.INFO)
f = logging.Formatter(
"%(asctime)s | %(levelname)-7s | %(funcName)-10s | %(obj)-20s | %(message)s")
... |
Could you advise on this binary search implementation?
template<typename Iterator, typename T>
Iterator binarySearch(Iterator begin, Iterator end, const T& v) {
Iterator low = begin;
Iterator high = end - 1;
while (low <= high)
{
Iterator mid = low + (high - low) / 2;
if (*mid == v) {
... |
I'm designing a data transferring that supports an IoT framework I'm developing, which targets embedded systems.
A unified communication core is built, wherein each entity of the code can hook its requests sources (name and callback function) into a core (called SystemInterface), which is an entity that's responsible f... |
I'm working on implementing a pagination system with search functionality using PHP and PDO. The code I've written seems to work, but I want to ensure that I'm following best practices and avoiding potential security vulnerabilities like SQL injection.
The goal of the script is to retrieve user records from a database ... |
I started learning basic game dev with Java's LibGDX. For my first project I decided to code a Breakout clone so I can learn the basics. Currently the game fully works - the player can destroy all blocks, score is calculated, there are sound effects, etc. Before I move on to improve the project more, I want to refactor... |
I have written a completely working C++ program for the first time, and I have managed to compile it. I have decided to learn C++ and I have written a C++ program to familiarize myself with C++, this is my first ever C++ program and I wrote it all by myself, having only started learning a few hours prior. (And I haven'... |
I know I haven't implemented many methods, and haven't specialized it for T[], but I just want to see if what I coded is good or bad.
template< class T >
class unique_ptr
{
private:
T* ptr;
public:
unique_ptr() noexcept : ptr(nullptr) {}
~unique_ptr() noexcept { release(); }
explicit unique_ptr(T* data)... |
Option Explicit
Sub MLB_Build_Lineups_PhaseI_Test()
Application.ScreenUpdating = True
Dim wsData As Worksheet
Dim C As Range
Dim dict As Object
Dim rw As Range
Dim wsLineups As Worksheet
Dim c2 As Range
Dim f As Range
Dim Check As Range
Dim CheckCell As Integer
Dim rng... |
The following code simulates the (simplified) concept of evolution of cells. They can reproduce, grow older and have a fitness which modifies their chance of survival. Using matplotlib, graphs are drawn which show the amount of cells as well as their average fitness. Several values can be modified to change the initial... |
Recently I've been trying to learn more advanced things such as using classes and creating methods and such to implement OOP into my coding. This is the first time I've tried and I want opinion on what I could do to make this better or more efficient, or maybe what I'm doing wrong
Optional Read
For context, I watched a... |
I started learning C++ recently for game development, and decided to write my own little library for debugging.
Here is the library (snoop.hpp)
#ifndef SNOOP_HPP
#define SNOOP_HPP
#include <chrono>
#include <fstream>
#include <iostream>
#include <memory>
#include <string>
#include <mutex>
#include <sstream>
#include <... |
As the title says, it manages to create accounts, create bookings and cancel them. I am relatively new to coding, so i was wondering how did i do? What are some improvements that i could do? Any reviews are appreciated.
AccountsD = {"Josh": "123456", "Michael": "212121"}
days = ["monday", "tuesday", "wednesday", "thurs... |
This is my second C++ program. Again, I wrote it all by myself. I only started learning C++ yesterday.
The concept of the program is simple; it should read input from std::cin and print the output to std::cout.
There are two functions that implement the bulk of the logic: a function to interpret numerals from a given b... |
Code for writing a Writer that is used to dump data in a Spanner table.
Specifically concerned about the function: func (s *SpannerClient) Write(resp Response) (n int, err error) given it has too many ifs.
package spanner
import (
"context"
"encoding/json"
"errors"
"cloud.google.com/go/spanner"
)
// ... |
TL;DR
This question examines an over-engineered example of python metaclasses and dataclasses to create a LiteralEnum (for validating a stringly-typed keyword argument) like LinkageMethod and a KeywordsArgumentBaseClass for making wrappers around SciPy methods like SciPyLinkage. The author would like to know how to bes... |
template<typename It>
template<typename It>
std::iter_value_t<It> parallelAccumulate(It begin, It end) {
static const size_t MIN_COUNT_PER_THREAD = 10;
const auto size = distance(begin, end);
std::iter_value_t<It> init{};
if (size < MIN_COUNT_PER_THREAD) {
for (; begin != end; begin++) {
... |
I have a dataframe loaded from CSV file which contains data from Olympics games. Goal is find out the athletes with minimum age who won Gold medal. I have managed to come up with following code. Is this the most optimal way of doing this?
from pyspark.sql.functions import min,col
gold_medal_df = athlete_events_df.fil... |
This is a follow-up question for A recursive_sum Template Function Implementation with Unwrap Level in C++. I am trying to implement a recursive version fold_left template function in this post.
The experimental implementation
recursive_fold_left_all Template Function:
/* recursive_fold_left_all template function per... |
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