yonatanm

// find x, y, z and w such that
// x!=y
// y!=z
// z!=x
// but
// x==w
// y==w
// z==w

yonatanm

[] == ![]    // true

yonatanm

Set<URL> mySet = new HashSet<>();
mySet.add(new URL("https://my.outbrain.com"));
boolean r1 = mySet.contains(new URL("https://my.outbrain.com"));    // Returns true
System.out.println("r1 = " + r1);
    
Thread.sleep(60 * 1000); // sleeping for 1 minute

boolean r2 = mySet.contains(new URL("https://my.outbrain.com"));    // Return false
System.out.println("r2 = " + r2);
    

yonatanm

Format

• On each Thursday I will send you a quiz, mainly around code / technology / programming.
• Answers should be sent to [email protected]
• The one who will answer the 1st correct answer will get 3 points, the 2nd - 2 points, and the 3rd - 1 point.

The Answers - facts && !fluffyWords

• Short, accurate and concise.
• Sharp and pointing the assense of the issue.
• You can include links to documentation or StackOverlfow answers etc
• Links should point directly to the method / answer / whatever-other resource you wish to refer to.

yonatanm

// Explain the (awkward) output of the following JS expression
['10','10','10'].map(parseInt) 

yonatanm

{ msg: "this is my Json" }

yonatanm

class Challenge {

  private static final Logger log = LoggerFactory.getLogger(Challenge.class);

  private void doSomething(Collection<String> words) {
    log.debug("doing work on " + Joiner.on(";").join(words));
    doWork(words);
  }

 // 

yonatanm

abstract class Thunk<T> {
  private boolean evaluated;
  private T value;
  public T get() {
    if (!evaluated) {
      value = compute();
      evaluated = true;
    }
    return value;
  }

yonatanm

10c10
<     benefits   : all,    
---
>     benefits   : 'all',    
18,20c18,20
<     make-a-difference    : true,
<     work-with-top-talent : true,
<     close-to-customers   : true
---
>     'make-a-difference'    : true,

yonatanm

class AlephFS < RFuse::Fuse
# implement ....
do