rschildmeijer

export from google doc (csv)
tail -n +2 pingis_test #remove column headers
split -l5 pingis_test temp/
for f in *; do awk 'BEGIN{FS=","} {print  $1 " "  $2 " " $3}' "$f" && echo "--------------"; done

rschildmeijer

Multimap<K, V> multimap = Multimaps.synchronizedMultimap(HashMultimap.<K, V>create());
..

synchronize(multimap) {
    multimap.put(k, v);
}

rschildmeijer

Free internet in hotels etc.

1, arp -aln
2, pick a mac address ("Linklayer Address") (ignore macs for x.x.x.[1, 255])
3, sudo ifconfig en0 ether <MAC_ADDRESS>
4, restart wifi

rschildmeijer

d = defaultdict(int);
c = Counter();
print d[7], c[7], len(d), len(c)

rschildmeijer

public class Deferred<T> {

    private boolean fired = false;
    
    private  Object consequence = null;

    private final List<AsyncResult<T>> callbacks = Lists.newLinkedList();

    public void addCallbacks(AsyncResult<T> callback) {
        callbacks.add(callback);

rschildmeijer

This goes into /System/Library/LaunchDaemons/com.nullvision.noatime.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" 
        "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
    <dict>
        <key>Label</key>
        <string>com.nullvision.noatime</string>
        <key>ProgramArguments</key>

rschildmeijer

public class DefaultHashMap<K, V> extends HashMap<K, V> {

    private final Class<V> cls;

    public DefaultHashMap(Class factory) {
        this.cls = factory;
    }

    @Override
    public V get(Object key) {

rschildmeijer

public class GetPoetry {
    
    static class PoetryIOHandler implements IOHandler {

        public void handleAccept(SelectionKey key) throws IOException { }

        public void handleConnect(SelectionKey key) throws IOException { }

        public void handleRead(SelectionKey key) throws IOException {
            ByteBuffer bb = (ByteBuffer) key.attachment();

rschildmeijer

#define BIG_ENDIAN 0 
#define LITTLE_ENDIAN 1 

int testByteOrder() {
  short int word = 0x0001;
  char *byte = (char *) &word;
  return (byte[0] ? LITTLE_ENDIAN : BIG_ENDIAN);
}

rschildmeijer

package org.apache.deft.example;

import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

import org.deftserver.io.IOLoop;
import org.deftserver.web.Application;
import org.deftserver.web.AsyncCallback;