Denis Yakovenko yakovenkodenis

Weighted Linear Regression $$ J(\theta)=\Sigma w_i (y_i - \theta^T x_i)^2 $$ $$ J'(\theta)=2\Sigma w_i x_i (\theta^T x_i - y_i) $$ $$ w_i = \exp(-\frac {(x_i - x) ^ 2} {2\tau^2}) $$

Про токены, JSON Web Tokens (JWT), аутентификацию и авторизацию. Token-Based Authentication

Last major update: 25.08.2020

Что такое авторизация/аутентификация
Где хранить токены
Как ставить куки ?
Процесс логина
Процесс рефреш токенов
Кража токенов/Механизм контроля токенов


	export default class DES {

	_initial_permutation = [
	58, 50, 42, 34, 26, 18, 10, 2,
	60, 52, 44, 36, 28, 20, 12, 4,
	62, 54, 46, 38, 30, 22, 14, 6,
	64, 56, 48, 40, 32, 24, 16, 8,
	57, 49, 41, 33, 25, 17, 9, 1,
	59, 51, 43, 35, 27, 19, 11, 3,

	import numpy as np
	import pandas as pd
	from statistics import mean
	from sklearn.grid_search import ParameterGrid
	from sklearn.preprocessing import StandardScaler


	def getPredict(theta, x):
	return np.dot(x, theta)

	syntax = "proto2";

	package caffe;

	// Specifies the shape (dimensions) of a Blob.
	message BlobShape {
	repeated int64 dim = 1 [packed = true];
	}

	message BlobProto {

	PROJECT := caffe

	CONFIG_FILE := Makefile.config
	# Explicitly check for the config file, otherwise make -k will proceed anyway.
	ifeq ($(wildcard $(CONFIG_FILE)),)
	$(error $(CONFIG_FILE) not found. See $(CONFIG_FILE).example.)
	endif
	include $(CONFIG_FILE)

	BUILD_DIR_LINK := $(BUILD_DIR)

	import os

	import gym
	import numpy as np
	import pandas as pd
	import matplotlib.pyplot as plt

	from collections import defaultdict


	// Very inefficient but purely declarative approach
	const findAnagrams = words => {
	const pairIsAnagram = (word1, word2) =>
	word1.split('').sort()
	.reduce(
	(acc, el, i) => { acc[i] = el == acc[i]; return acc; },
	word2.split('').sort()
	)
	.reduce((acc, el, i) => acc && el, true);

	const http = require('node:http');
	const crypto = require('node:crypto');
	const { setTimeout: sleep } = require('node:timers/promises');
	const { EventEmitter } = require('node:events');

	class WebSocketServer extends EventEmitter {
	constructor(options = {}) {
	super();
	this.clients = new Set();
	this.port = options.port \|\| 8080;