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import socket
import select
import sys
__EPOLL_TIMEOUT = 1.0
__BUFFER_SZ = 8192
yeti_request ="GET /bap HTTP/1.1\r\nConnection: keep-alive\r\nContent-Length: 0\r\n\r\n"
epoll = None
socket_set = {}
@jac18281828
jac18281828 / percentile.cc
Last active May 17, 2021 16:07
Simultaneous estimation of Several Percentiles
#include <algorithm>
#include <functional>
#include <iomanip>
#include <iostream>
#include "percentile.h"
using namespace std;
using namespace stat;
@jac18281828
jac18281828 / filter_unicode.py
Last active July 5, 2018 14:45
Ad Blocking script for dnsmasq. This uses Steven Black's Ad Blocking /etc/hosts file but converts it to dnsmasq format. For use with either an AdBlocking Raspberry PI project (PiHole) or on a Unify EdgeRouter
import sys
for buffer in sys.stdin.read():
for ch in buffer:
if (ord(ch) < 128):
sys.stdout.write(ch)
@jac18281828
jac18281828 / Murmur2.java
Last active March 1, 2017 15:02
Murmur2 in Java - Tweaker Edition
public class Murmur2 {
public static final int BYTE_BITMASK = 0xff;
public static int MURMUR2_SEED1 = 0xe17a1465;
public static int MURMUR2_SEED2 = 0x9747b28c;
public static int MURMUR2_SEED3 = MURMUR2_SEED1*7;
private int defaultSeed = MURMUR2_SEED1;
public Murmur2(final int defaultSeed){
@jac18281828
jac18281828 / Fnv1Collision.java
Created June 26, 2017 16:27
FNV1 Brute Force
import sun.misc.Contended;
import java.security.NoSuchAlgorithmException;
import java.security.SecureRandom;
import java.util.Random;
import java.util.concurrent.ForkJoinPool;
import java.util.concurrent.RecursiveAction;
import java.util.concurrent.ThreadLocalRandom;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.LongAccumulator;
@jac18281828
jac18281828 / seq_lock.h
Last active September 30, 2017 23:33
Hans-J. Boehm sequence lock in c++
#pragma once
#include <stdatomic.h>
#include <atomic>
#include <sys/types.h>
#define PAUSE asm volatile("pause\n": : :"memory");
class seq_lock {
private:
@jac18281828
jac18281828 / DSASigner.java
Created September 19, 2018 13:13
Simple Java DSA Signer Performance Check
package com.covemarkets;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import java.security.InvalidKeyException;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
@jac18281828
jac18281828 / sha256
Last active December 15, 2020 17:18
openssl based sha256 checksum utility works on macOS
#!/usr/bin/env /bin/bash
# SHA 256 based on openssl
#
# sha256 similar to the classic "md5sum" command line
#
if [[ ${#} -gt 0 ]]
then
# iterate over all arguments
@jac18281828
jac18281828 / KafkaEmbedded.java
Created September 25, 2018 18:25
Embedded Kafka Server based on Kafka-junit. Works with spring dependency injection
import com.salesforce.kafka.test.AbstractKafkaTestResource;
import com.salesforce.kafka.test.KafkaCluster;
import com.salesforce.kafka.test.KafkaTestCluster;
import com.salesforce.kafka.test.junit4.SharedKafkaTestResource;
import org.junit.Ignore;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.annotation.Profile;
import org.springframework.stereotype.Service;
@jac18281828
jac18281828 / StringPerformerTest.java
Created October 11, 2018 16:28
Here is why Java 10 is awesome ;-)
import org.junit.Ignore;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class StringPerformerTest {
private static final Logger log = LoggerFactory.getLogger(StringPerformerTest.class);
private static final String S1 = "table";