what is wrong with my code?!
it fails in 1 test out of 27, and the problem is i dont know what that test is!
def parantez(X):
S = []
for i in range(len(X)):
if X[i] == '(':
S.append(X[i])
elif X[i] == ')':
if (len(S)> 0):
S.pop()
...
from itertools import product
for _ in range(int(input())):
l = list(map(int, input().split()))
lim = l[1]
cs = [chr(96 + n) for n in range(1, l[0] + 1)]
r = ''.join(cs)
while len(r) < lim:
for i in range(2, len(cs) + 1):
if len(r) > lim:
...
I have a dataframe of size 4M+ and 30 columns. I would like to perform certain groupby and transpose operations which will finally end up with more number (unimaginable) of columns/features.
I have given a sample dataframe
df = pd.DataFrame({
'subject_id':[1,1,1,1,2,2,2,2,3,3,4,4,4,4,4],
'readi...
I have written a function to get the actual page range to display that page range in pagination.
My function is working properly. But I think that I have written bad code. Can someone review my code and give me some feedback to improve my code?
Here is the code:
const pageRange = (() => {
le...
while learning in react 16.8 with typescript code base, I came through many diffrent type definition pattern is been followed.
so for the sake of consistency,
which is the right way (recommendesld or valid) to set a type definition of a es6 arrow method especially when object destructuring come...
I'm hoping someone can help me here, I'm working with a file which has about 38000 rows and 180 columns. I'm using a macro to update the fields in the one workbook with the values in the other workbook, but it takes about 2 minutes to run. I'm looking for a way to reduce this time, I've tried eve...
I was tasked with writing a function, that checks whether a date is valid in the following format: DD.MM.YYYY. Here's what I wrote:
bool isValidDate(const char* date)
{
int a, b, c;
size_t len = strlen(date);
for (size_t i = 0; i < len; i++)
{
if (!isdigit(date[i]) && da...
I'm trying to follow MVVM pattern in a VB.net WPF application, and I would like to implement IEditableObject. Is it acceptably to have this code in the model or must it be in the ViewModel?
Public Class Component : Implements IEditableObject
Property Name As String
Property Part_Number A...
Getting the error "cannot find symbol symbol : method getDiscontinuedDateDevice()
location: class.java.lang.String "
Code:
**try{
//always set to NULL then change if it is a valid code
catalogItem.setAttributeValue((XConstants.SKU_SPEC_CATALOG).
concat(XImportConstants.DISCONTINU...
I have written script to add pattern of directories in exclude-list of Deja-Dup (backup softaware). Even I have updated values for gsettings get org.gnome.DejaDup include-list and tested on terminal that it gives desired output, my code is producing same output which was to old input.
I have t...
I try to solve the problem of having a List of calibrated masses (grams). For every weight (of an Animal slow loris ) which is given to your function you should return a List with the masses you need for weighing the animal.
My task is to write an algorithm which receives the weight of the animal...
I ran this code and it runs perfectly but I can't optimize the time as it shows the error "time limit exceeded" after I submit the code. Time limit for this challenge is "6 seconds".
import java.util.Scanner;
class Practice {
public static void main(String[] args) {
Scanner sc = new...
Title explains it, I want to ask a question about maintaining branches of a single project and I'm not sure if it's on topic. Is there anywhere that it would be on topic?
https://leetcode.com/problems/shortest-common-supersequence/
Given two strings str1 and str2, return the shortest string that has
both str1 and str2 as subsequences. If multiple answers exist, you
may return any of them. (A string S is a subsequence of string T if
deleting some number ...
I'd like some input on my CL implementation of bst-range, which follows below.
Before we can run that, we need this code to build the BST
(you can imagine that the count field didn't exist if you want, as it's not used for range search)
Setup
(defstruct
(node (:print-function
(lamb...
I'm beginning to learn go. I've decided to write some file utilities to help me with some bigger projects I intend to write. Coming from mainly a python background, I'm sure there are plenty of stylistic and efficiency improvements to be made. I'm looking for general feedback, as I want to kick b...
i need edit on my php code for enable auto closing mysqli after any action
( select , insert , update , delete )
php class fuly code
class DB {
private static $_instance = array();
private $instanse_name;
private $selfpath;
private $db;
private $magic_quotes_gpc;
...
I've written a solution to a Codewars challenge:
You have to create a function that takes a positive integer number and returns the next bigger number formed by the same digits:
12 ==> 21; 513 ==> 531; 2017 ==> 2071
I am getting the following error on Codewars: "Execution Timed Out (1...
Link to my program code; ( I only want critique about my code not anything about indentation or spaces)
https://pastebin.com/D05rCdjR
This is the libary I use in my program;
#include <stdlib.h>
#include <stdio.h>
#include <time.h>
#define MAX 100
