I am new to quant. finance and trying to calculate trend, momentum, correlation and volatility. Below are the functions I have created
import pandas as pd
def roll_correlation(first_df, second_df, rolling_period):
"""
Rolling correlation
"""
return first_df.rolling(rolling_perio...
I created wordpress template and i want to add this css code only in to inside of this template only.for the security concern should i escape?. can anyone help me to solve this?. here is the code i used.
<?php
$style = "<style type='text/css'> .post-related {position: relative; width: 21.3...
My code in Julia, almost identical as the Python code (see below), runs in 4.6 s while the Python version runs in 2.4 s. Obviously there is a lot or room for improvement.
function Problem12()
#=
The sequence of triangle numbers is generated by adding the natural
numbers. So the 7th t...
I am completely new to JavaScript and I will be grateful for your comments on my Electron app (electron is a JS framework allowing to create of desktop apps).
I needed to create an application that stores a small database and allows me to do simple operations on the data. I just include a small f...
Recently I was assigned a URL shortener design problem while interviewing with a well known organization. Here is the exact problem statement:
Build a simple URL shortener service that will accept a URL as an argument over a REST API and return a shortened URL as a result.
The URL and shortene...
I wrote the below as a solution to:
Problem
Find the highest product of three numbers in a list
Constraints
Is the input a list of integers?
Yes
Can we get negative inputs?
Yes
Can there be duplicate entries in the input?
Yes
Will there always be at least three integers?
No
Can we as...
I am working with C#, Dapper, EF Core and Postgres.
I defined an endpoint for a paginated search, where the filters and orderBy column are dynamic. The endpoint accepts a PaginationOptions instance:
public class PaginationOptions
{
public int Page { get; set; }
public int ItemsPerPage { g...
I completed the following question but it seems a lot of space complexity.
Do you think is there a way to complete it with graph search or so ?
Thanks for the comments?
Suppose we have some input data describing a graph of relationships between parents and children over multiple generations. The ...
Say we have two operations that make http requests.
public async Task<(bool success, OperationOneResult result)> OperationOneAsync()
{
try
{
var response = await _httpClient.GetAsync("urlOne");
if (response.IsSuccessStatusCode)
{
var result = await resp...
I've put together an example single file upload script that attempts to cover all the things PHP could check for prior to allowing a successful file upload. Is there anything else maybe now available in PHP 7.4+ I could use to make this more secure? For example, I use filter_input below even thou...
A question asks to have a Samba configuration file reviewed. Do we consider a configuration file to be code? It's certainly not a Turing-complete language. Is Turing completeness a defining criterion?
Note that we can address many of our usual concerns, such as security, correctness in unexpect...
def bla(m,n):
return[b for a in range(1,m + 1) if a % 3 == 0 for b in range(1,n + 1) if b % 2 == 0]
print(bla(9,10)) --> [3,9,2,4,6,8,10]
hey im stuck how can I get both a and b outputs and not only the b output?
I have made a thread art generator that creates thread patterns from images. Mine is a bit different as it outputs an embroidery file (It embroiders quite nice, though the settings need a lot of tweaking and the output file needs resizing) The code is quite inefficient, but that's python for you....
I have written a cryptographic hashing class named Ccksum::DigestHasher that allows the caller to select a hashing algorithm by name via OpenSSL's EVP interface. This class is the bread and butter of my Ccksum programming project. Here is the code so far (I combined the header and source files fo...
