joeheyming

# python
def printArgs(*args, **kwargs):
    print kwargs

>>> printArgs(a=1, b=2)
{'a': 1, 'b': 2}

# perl
use Data::Dumper;                                                                                                     
sub printArgs { 

joeheyming

def printArgs(arg):
    print args
>>> printArgs({'a': 1, 'b': 2})
{'a': 1, 'b': 2}

joeheyming

function printArgs(args) {
    console.log(args)
}
> printArgs({'a': 1, 'b': 2})
Object {a: 1, b: 2}

joeheyming

function namedArgsFunc() {
  var args = {};
  for (var i = 0, len = arguments.length; i < len; i += 2) {
    args[arguments[i]] = arguments[i+1];
  }
  console.log(args);
}
> namedArgsFunc('a', 1, 'b', 2)
Object {a: 1, b: 2} 

joeheyming

function getNamedArgs(args, opt_start) {
  opt_start = opt_start ? opt_start : 0;
  var obj = {};
  for (var i = opt_start, len = args.length; i < len; i += 2) {
    obj[args[i]] = args[i+1];
  }
  return obj;
}
function namedArgsFunc(x) {
  var args = getNamedArgs(arguments, 1);

joeheyming

public class Utils {
  public static Map<String,Object> getNamedArgs(Object... args) {
    Map<String,Object> obj = new HashMap<String,Object>();
    for (int i = 0, i < args.length; i += 2) {
      obj.put((String)args[i], args[i+1]);
    }
    return obj;
  }
}
//...

joeheyming

@Test
public void testSomething() {
  MyObj testobj = new MyObj();
  testobj.setFoo('a');
  testobj.setBar(123);
  // ...
  testobj.setBaz('z');
}

joeheyming

@Test
public void testSomething() {
  MyObj testobj = TestUtils.getTestObject(MyObj.class, 'foo', 'a', 'bar', 123, 'baz', 'z');
}

joeheyming

public class TestUtils {
  public static <T> T getTestObject(Class<T> type, Object... args) {
    Map<String,Object> namedArgs = Utils.getNamedArgs(args);
    Constructor <T> constructor = type.getConstructor();
    T testobj = constructor.newInstance();
    for (Entry<String,Object> entry : namedArgs.getEntrySet()) {
      Field field = type.getDeclaredField(entry.getKey());
      if (field != null) {
        if (Modifier.isPrivate(field.getModifiers()) {
          field.setAccessible(true);  // this is only for test code

joeheyming

#!/bin/bash
wallpapers=`curl -s http://www.reddit.com/r/wallpapers.rss | grep -Eo 'http://i.imgur.com[^&]+jpg'`
papers=($wallpapers)
num_wallpapers=${#papers[*]}

# grab 2 random wallpapers for desktop1 and desktop2
for x in `seq 1 2`; do
    url=`echo -n "${papers[$((RANDOM%num_wallpapers))]}"`
    curl $url -s > ~/Pictures/background$x.jpg
done;