patoi

/*
 * Selenium WebDriver JavaScript test with Mocha and NodeJS
 * 
 * Start with: SELENIUM=PATH_TO_SELENIUM_JAR/selenium-server-standalone-2.31.0.jar mocha -t 10000 -R list google-sample.js
 * 
 * Download selenium-server-standalone-2.31.0.jar from https://selenium.googlecode.com/files/selenium-server-standalone-2.31.0.jar
 * 'sudo su' and 'npm install -g colors mocha selenium-webdriver'
 * 
 * http://visionmedia.github.io/mocha/
 * https://code.google.com/p/selenium/wiki/WebDriverJs

patoi

Pub/sub with MongoDB and Node.js

Setup:

$ mongo
> use pubsub
> db.createCollection('messages', { capped: true, size: 100000 })
> db.messages.insert({})

patoi

PUSH:

   * tar cvf - . | gzip -c -1 | ssh user@host cat ">" remotefile.gz

   * ssh target_address cat <localfile ">" remotefile

   * ssh target_address cat <localfile - ">" remotefile

   * cat localfile | ssh target_address cat ">" remotefile

patoi

  @Bean 
  EmbeddedServletContainerCustomizer containerCustomizer(
        @Value("${keystore.file}") Resource keystoreFile,
        @Value("${keystore.pass}") String keystorePass) throws Exception {

      String absoluteKeystoreFile = keystoreFile.getFile().getAbsolutePath();
      
      return (ConfigurableEmbeddedServletContainer container) -> {

          if (container instanceof TomcatEmbeddedServletContainerFactory) {

patoi

Spring Boot and JBOSS EAP 6.2.0 logging

Problem: There is no logging with Java jax-ws client. Other logs are written fine to server.log

logback.xml

patoi

import oracle.ons.ONS;
import oracle.ons.SenderThread;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.ReflectionUtils;

import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

patoi

//: # State machine: handling three state and transition

import GameplayKit

class RetrievingDataState: GKState {
    
    override func isValidNextState(stateClass: AnyClass) -> Bool {
        print("\n---> \(stateClass) class")
        return (stateClass == DataAvailableState.self) || (stateClass ==  DataNotAvailableState.self)
    }

patoi

//: Playground - noun: a place where people can play

import GameplayKit

class ShootingComponent: GKComponent {
    
    let power: Int
    
    init(power: Int) {
        self.power = power

patoi

//: Check divisible by 3 and 5 with GameplayKit Rule System

import GameplayKit

let divisibleBy3Rule = GKRule(blockPredicate: { system in
    (system.state["value"] as! Int) % 3 == 0
    }, action: { system in
        system.assertFact("divisibleBy3and5", grade: 0.5)
        system.assertFact("divisibleBy3", grade: 1)
})

patoi

#Container Resource Allocation Options in docker-run You have various options for controlling resources (cpu, memory, disk) in docker. These are principally via the docker-run command options.

##Dynamic CPU Allocation -c, --cpu-shares=0
CPU shares (relative weight, specify some numeric value which is used to allocate relative cpu share)

##Reserved CPU Allocation