Martin Matta MartinMatta

🏠

Working from home

MartinMatta / uuid_generator.sql

Last active June 17, 2024 12:14

UUID generator in PL/SQL

	DECLARE
	FUNCTION GET_UUID RETURN VARCHAR2 IS
	RANDOM_ID VARCHAR2(100);
	BEGIN
	WITH RANDOM_STR AS (
	SELECT LOWER(STANDARD_HASH(DBMS_RANDOM.STRING('a', 10), 'MD5')) STR
	FROM DUAL
	)
	SELECT SUBSTR(STR, 1, 8 ) \|\| '-' \|\|
	SUBSTR(STR, 9, 4 ) \|\| '-' \|\|

MartinMatta / AndroidExitDialog.java

Last active February 10, 2021 09:25

	import androidx.appcompat.app.AppCompatActivity;
	import androidx.appcompat.app.AlertDialog;
	import android.view.LayoutInflater;
	import android.content.Context;
	import android.os.Handler;
	import android.os.Bundle;


	import android.view.View;

MartinMatta / getGaussianKernel.py

Created July 27, 2020 15:24

	import numpy as np

	def getGaussianKernel(size=3, sigma=1):

	center = (int)(size/2)
	kernel = np.zeros((size, size))

	for x in range(-center, center+1):
	for y in range(-center, center+1):