rkhmelyuk

lftp -u $FTP_USERNAME,$FTP_PASSWORD $FTP_SERVER/$FTP_DIRECTORY -e 'put -a filename;quit'

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flush tables;

reset query cache;

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a = null
b = 12

println "a.compareTo(b) = " + (a <=> b)
println "a.compareTo(a) = " + (a <=> a)
println "b.compareTo(b) = " + (b <=> b)

rkhmelyuk

class Person {
    String firstName
    String lastName
    int age
}

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class Person implements Comparable<Person> {
    String firstName
    String lastName
    int age

    int compareTo(Person other) {
      ...
    }
}

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    int compareTo(Person other) {
        if (other == null) {
            return 1;
        }

        int result = 0;
        if (this.age > other.age) {
            result = 1;
        }
        else if (this.age < other.age) {

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    int compareTo(Person other) {
        age <=> other.age ?: lastName <=> other.lastName ?: firstName <=> other.firstName
    }

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def john = new Person(firstName: 'John', lastName: 'Doe', age: 25)
def mark = new Person(firstName: 'Mark', lastName: 'White', age: 25)

print "john <=> mark = " + (john <=> mark)

rkhmelyuk

Programming Achievements: How to Level Up as a Developer

This gist is part of a blog post. Check it out at:

http://jasonrudolph.com/blog/2011/08/09/programming-achievements-how-to-level-up-as-a-developer

rkhmelyuk

(define (max x y z) 
    (define a (if (> x y) x y))
    (define c (if (> x y) y x))
    (define b (if (> c z) c z))
    (list a b))