一封迟到的情书

Go Concurrency First Try

I got this interesting interview question from my friend last week.

Get three distinct messages from api.github.com/zen. Extra points for concurrency.

C# Immutable Types

From C# 6.0 onwards, use read-only (getter-only) auto property for conciseness and readability for your immutable types.

Consolas on macOS

Install and use consolas font, my favorite from Windows world on macOS.

Counting Sort

A stable and linear-time sorting algorithm for items with keys within a limited size of collection. [Time: O(n+k), Space: O(n+k)]

Quick Sort

An efficient in-place divide-and-conquer sorting algorithm. [Best: O(nlgn), Average: O(nlgn), Worst: O(n²), Space: O(n)]

Heap Sort

An efficient in-place sorting algorithm. [Time: O(nlgn), Space: O(1)]

Merge Sort

An efficient and stable divide-and-conquer sorting algorithm. [Best: O(n), Average: O(nlgn), Worst: O(nlgn), Space: O(n)]

Bubble Sort

A stable quadratic sorting algorithms. [Best: O(n), Average: O(n²), Worst: O(n²), Space: O(1)]

Selection Sort

A space-efficient quadratic sorting algorithms. [Time: Θ(n²), Space: O(1)]