pgebert

/**
 * Created by pgebert on 09/04/25.
 *
 * Compute the similarity between two vectors based on cosine distance in kotlin.
 */

fun cosineSimilarity(vectorA: List<Float>, vectorB: List<Float>): Double {

    assert(vectorA.size == vectorB.size)

pgebert

    fun <T> List<List<T>>.transpose(): List<List<T>> {
        val transposed = mutableListOf<List<T>>()
        for (i in first().indices) {
            val col: MutableList<T> = ArrayList()
            forEach { row ->
                col.add(row[i])
            }
            transposed.add(col)
        }
        return transposed

pgebert

if (!([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) { 
Start-Process powershell.exe "-WindowStyle Minimized -NoProfile -ExecutionPolicy Bypass -File `"$PSCommandPath`"" -Verb RunAs; exit 
}

Get-PnpDevice -Class "Display" | Disable-PnpDevice -Confirm:$false
Get-PnpDevice -Class "Display" | Enable-PnpDevice -Confirm:$false

pgebert

/**
 * Created by pgebert on 03/08/23.
 *
 * Encodes and decodes a string on a Linux system.
 */


// encode with base64 - Output: SGVsbG8=
echo -n 'Hello' | base64

pgebert

import java.util.TreeMap

fun <K, V> treeMapOf(vararg pairs: Pair<K, V>): TreeMap<K, V> =
    TreeMap<K, V>().apply { putAll(pairs) }

fun <K : Comparable<K>, V> Map<K, V>.toTreeMap(): TreeMap<K, V> =
    TreeMap<K, V>().apply { putAll(this@toTreeMap) }

 // Usage:
 val mapA = treeMapOf(1 to "A")

pgebert

CREATE FUNCTION jsonb_replace_by_key(obj jsonb, search text, substitute jsonb) RETURNS jsonb
STRICT LANGUAGE SQL AS $$
  SELECT CASE jsonb_typeof(obj)
    WHEN 'object' THEN
      (SELECT coalesce(jsonb_object_agg(key, CASE WHEN key = search
          THEN substitute
          ELSE jsonb_replace_by_key(value, search, substitute)
        END), '{}'::jsonb)
      FROM jsonb_each(obj))
    WHEN 'array' THEN

pgebert

/**
 * Created by pgebert on 01/02/22.
 *
 * Get the first and last n digits of an integer number
 */

import math

def first_n_digits(num: int, n: int):
    return abs(num) // 10 ** (int(math.log(num, 10)) - n + 1)

pgebert

/**
 * Created by pgebert on 01/02/22.
 *
 * Iterator for fibonacci numbers.
 */

from typing import Iterator

def fibonacci() -> Iterator[int]:
    a, b = 1, 1

pgebert

from typing import Generator

import pytest
from flask import Flask

from ..app import create_app

/**
 * Created by pgebert on 10/01/22.
 *

pgebert

/**
 * Created by pgebert on 14/01/22.
 *
 * Test whether a number is prime or not in python.
 */

def is_prime(n: int) -> bool:
    """Primality test for integers."""  
    if n <= 3: