I'm solving this simple challenge:
Given a vector A with N unique elements greater than 0 and lower than N+1, find the missing element. Example:
A = [1,3,2,5] -> missing number 4
A = [1,3,5,4] -> missing number 2
I've come to the following solution. I'm interested in thoughts and ideas on how ...
I understand the argument about codereview questions are boring, poor quality, too forgiving.
I asked more than 35 questions from Nov. 2016 to August 2018. Starting from August 2018, I chose to be a writer on Leetcode discuss and shared over 200 algorithms solutions. The writing over there is f...
Preliminaries
I am working on a software that controls CAEN digitizer. The current step is to provide an ability to save/load configuration to/from an external source (hereafter - "config file"). I decided config file to be a simple text file and consisting of lines like this one:
PARAMETER VAL...
It was nice to discover the option for a room owner to add any user to a room, even if their rep is too low.
...so I notified the user in question, and as instructed on the next screen, I had them got to chat.stackoverflow.com so that I'd be able to add them.
...but when they did their par...
When i am working on page and want to count the characters in the word file then you can go in review tab by selecting area of counting. for more info about it you can visit us here
def word_count(str):
counts = dict()
words = str.split()
for word in words:
if word in counts:
...
I have made a small python script that will generate some test sets for my project.
The script generates 2 datasets with the same dimensions n*m. One contains binary values 0,1 and the other contains floats.
# Probabilities must sum to 1
AMOUNT1 = {0.6 : get_10_20,
0.4 : get_20_30}
...
I am learning python and looking for ways to make my code look more pythonic.
My first issue is the converting a DateTime returned from a database.
try:
print("Getting most recent record from database")
get_max_date=fixfile.conn.execute('SELECT max(date) from sharehistory').fetc...
Note: this code will be run using portable WinPython (Python 3.7.6.0, package list here) on Win10x64. Installing new packages or upgrading the Python version are not an option for this project.
Disclosure: this code is heavily inspired by Janos' excellent answer here.
I've written a piece of ...
Here's my code which uses multiple catch blocks, and I would like to get rid of that because I think it's possible to write it all in one catch block.
But I'm not sure how since I'm pretty new in a C#:
public async Task<ProductMessage> CreateProduct(PostProductRequest request)
{
try
{
...
I've written up a key-value store that runs on SSTables in python.
import json
import tempfile
import time
import uuid
from contextlib import contextmanager
import attr
from sortedcontainers import SortedDict
TOMBSTONE = str(uuid.uuid5(uuid.NAMESPACE_OID, 'TOMBSTONE')).encode('ascii')
def m...
This is a big script with a GUI basically. I have 4 page classes, that are children of the main Wizard class. I do most of the threading in Step3 and the scripts are simple - creating a new user, editing reg files and installing chrome. Everything works perfectly here, until the main window is dr...
I'm not an expert in authentication, so i want to make sure i do everything right.
I want to use crypto createCipheriv and createDecipheriv for authentication.
I will store key in database, iv and encrypted data in cookies. On request i will try to decrypt encrypted data from cookies using iv f...
I recently received a question with regards to algorithm design in an interview question. The challenge is as follows:
Given a 6 or less digits positive integer (0 - 999999 inclusive), write a function englishify(number: int) that returns the full English equivalent of that number. Here are s...
I submitted the following coding challenge and even if It resolves the requirement, the coding style doesn't look great for a senior role (feedback received without additional explanation).
Any additional coding review on this would be appreciated.
public class TwitterCharacterCount {
public ...
Listening to the recent podcast A chat with our CEO about the future of our company and community it seems that merging other SE technical sites with Stack Overflow is imminent.
That was also vaguely hinted in most recent Survey What does “Should we add technical Q&A sites like Server Fault, Sup...
I want to use the android component autocomplete:
https://developer.android.com/reference/android/widget/AutoCompleteTextView
There are some possible values the user can select, but I also want that, the user starts typing and, if there is no match with any of the "possible" optionsm, then, the...
I've a C# WinForms application that relies heavily on sending HttpWebRequests. I've build an HttpWebRequestBuilder, and WebRequestBodyBuilder.
public class HttpWebRequestBuilder
{
private HttpWebRequest _httpWebRequest; // The object that will be built.
public HttpWebRequestBuilder(strin...
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Im looking for general feedback as how to improve this code. As I wrote the program it started out with no functions making it very difficult to adapt. When i separated the program into functions it became very repetitive. How to tackle this?
Whole program, tips?
"""
A program for comparrison o...
TL;DR
Rows were being inserted into a database after the page was already redirected away.
I'm making an admin page for a restaurant and I was working on adding options for menu items when I came across this. It isn't an issue anymore because I found the problem, but what happened when I was ha...
I have written this code that connects to mysql databases, I have created a function that I expect to be able to use with context manager. It is working but I am not sure if this is the most correct and intuitive of of doing it !
conect.py
import os
import mysql.connector
from mysql.connector i...
I wanted to know is this the best way to handle a SegmentedControl using the e.NewValue? Base on the selected segment I hide and select different data?
XAML
<telerikInput:RadSegmentedControl.ItemsSource>
<x:Array Type="{x:Type x:String}">
...
I'm working on an audio player with a terminal interface. I'm designing it for eventual use on a Raspberry Pi with a 480x320px display.
I've broken the code into three main files with the intention of keeping the business logic (player.py) and graphics (view.py) separated and connected only thr...
I am trying to make a very simple event system for learning purposes, after seeing some much more complicated code on the internet I was wondering if what I am doing is fine of if it has major issues. The code works but I am not sure if it is fast and safe.
The part that worries me is that in m...
this is my first code review post :) So I wrote this Black Jack game as part of an online Python course and would love some feedback about my coding style and whether or not I have correctly used a 'Pythonic' style in terms of the OOP.
Any general comments are also extremely welcome because I a...
Basically I am trying to bring down the time complexity of a function that I have
I have an array of objects that holds another array of objects and each object holds an array of tags like so
const users = [
{
id: 1,
qualities: [
{
id: 2
tags: [
'smart'...
How can I print the results list into a CSV/Excel file?
import pandas as pd
import os
for root, dirs, files in os.walk("C:/"):
for file in files:
if file.endswith(".xlsx"):
print(os.path.join(root, file))
#Need to print the results of this search into an excel/csv Fi...
