zivce

Optionals.ifPresentOrElse(opt, System.out::println,
      () -> System.out.println("not present"));

zivce

Optional.of(opt).map(value -> { System.out.println(value);
                                return value; })
              .orElseGet(() -> { System.out.println("not present");
                                return -1;});

wwerner

Set up remote debugging in dockerized Tomcat

Start Container, stock tomcat 8.5 in this example

$  docker run \
    -eJPDA_OPTS="-agentlib:jdwp=transport=dt_socket,address=5005,server=y,suspend=n" \
    -p8080:8080 \

boyter

// Primitive hash function that for a string returns a positive 32 bit int
// Do not use in production, use murmur3 or fnv1
// You can improve this by changing 5 to 31
Object.defineProperty(String.prototype, 'hashCode', {
  value: function() {
    var hash = 0, i, chr;
    for (i = 0; i < this.length; i++) {
      chr   = this.charCodeAt(i);
      hash  = ((hash << 5) - hash) + chr;
      hash |= 0; // Convert to 32bit integer

johnpmitsch

Distributed Systems

Lesson 1 - Introduction

• Systems today are generally distributed, both in-house and third-party systems
• Stream processing is batch processing but in smaller increments, it isn't real-time, but is quick
• Project, work as pre and post work
• Reliability
• Scalability
• Maintainability

bennadel

<cfscript>

	startedAt = getTickCount();

	inputFilepath = expandPath( "../images/beach-small.jpg" );

	// In the first approach to drawing a partially-transparent image over another, we're
	// going to create an intermediary image that represents the image overlay. This will
	// the SCALED and PARTIALLY-TRANSPARENT image.
	// --

clrung

#!/bin/bash
# Usage: clone_all_repos.sh [organization] <output directory>

ORG=$1
PER_PAGE=100
GIT_OUTPUT_DIRECTORY=${2:-"/tmp/${ORG}_repos"}

if [ -z "$GITHUB_TOKEN" ]; then
    echo -e "Variable GITHUB_TOKEN isn't set! Please specify your GitHub token.\n\nMore info: https://help.github.com/articles/creating-a-personal-access-token-for-the-command-line/"
    exit 1

coolreader18

class E(BaseException):
    def __new__(cls, *args, **kwargs):
        return cls
def a(): yield
a().throw(E)

bradtraversy

MongoDB Cheat Sheet

Show All Databases

show dbs

Show Current Database

mistermichaelll

# ==================================================================================
# M1 Finance/Google Sheets Tracker
# --------------------------------
# Author: Michael Johnson
# Last updated: May 25, 2020
# 
# This script works in tandem with a Python script to easily 
# access and update information relating to my M1 Finance portfolio
# in a Google Sheet. 
#