tpae

// Implement a min heap:

// -> insert, extract_min

// property: 
// - elements are in ascending order
// - complete binary tree (node is smaller than it’s children)
// - root is the most minimum
// - insert takes O(logn) time
//     - insert to the bottom right

ddoronin

(function(global) {
    var serviceRegistrar = {};

    function resolve(serviceName) {
        if (typeof serviceRegistrar[serviceName] === 'undefined') {
            throw new Error('Service "' + serviceName + '" cannot be instantiated.');
        }
        return serviceRegistrar[serviceName];
    }

ryanchang

LLDB Cheat Sheet

A complete gdb to lldb command map.

Print out

• Print object

(lldb) po responseObject
(lldb) po [responseObject objectForKey@"state"]

• p - Print primitive type