原创 貓頭鷹的深夜翻譯：開發者必須瞭解的分支發佈模型

前沿 本文只會聚焦於分支發佈策略，不會涉及任何的項目細節。 爲什麼選擇Git 想要深入瞭解Git和中心化代碼版本管理系統的優缺點比較，可以在網上自行查詢，這個話題一直爭論不休。作爲一個開發者，我更傾向於使用Git。Git確實改變了開發者對代

2019-11-08 00:25:20

原创 leetcode421. Maximum XOR of Two Numbers in an Array

題目要求 Given a non-empty array of numbers, a0, a1, a2, … , an-1, where 0 ≤ ai< 231. Find the maximum result of ai XOR aj,

2019-11-07 00:05:42

原创 初探Logback：學會看懂Logback配置文件

前言 在現如今的應用中，日誌已經成爲了一個非常重要的工具。通過系統打印的日誌，可以監測系統的運行情況，排查系統錯誤的原因。日誌從最早期的System.out.print到如今各種成熟的框架，使得日誌打印更加規範化和清晰化。尤其是SLF4J的

2019-11-03 23:55:41 6

原创 leetcode472. Concatenated Words

題目要求 Given a list of words (without duplicates), please write a program that returns all concatenated words in the given

2019-11-01 21:25:27

原创 leetcode501. Find Mode in Binary Search Tree

題目要求 Given a binary search tree (BST) with duplicates, find all the mode(s) (the most frequently occurred element) in th

2019-10-31 22:06:16

原创 leetcode473. Matchsticks to Square

題目要求 Remember the story of Little Match Girl? By now, you know exactly what matchsticks the little match girl has, pleas

2019-10-30 19:15:24

原创 leetcode427. Construct Quad Tree

題目要求 We want to use quad trees to store an N x N boolean grid. Each cell in the grid can only be true or false. The root

2019-10-29 22:35:30

原创 leetcode493. Reverse Pairs

題目要求 Given an array nums , we call(i, j)an important reverse pair if i < j andnums[i] > 2*nums[j]. You need to return th

2019-10-29 10:45:31

原创 leetcode454. 4Sum II

題目要求 Given four lists A, B, C, D of integer values, compute how many tuples`(i, j, k, l)`there are such that`A[i] + B[j]

2019-10-23 15:55:27

原创 leetcode446. Arithmetic Slices II - Subsequence

題目要求 A sequence of numbers is called arithmetic if it consists of at least three elements and if the difference between

2019-10-15 20:55:29 1

原创 深入探尋JAVA8 part2：淺談幾個內置的函數式接口

前情提要 深入探尋JAVA8 part1：函數式編程與Lambda表達式 看此文前，不熟悉函數式編程和Lambda表達式的可以先看一下上文回憶一下。 本文將會簡單介紹Java8中內置的一些函數式接口 回顧函數式接口 函數式接口就是隻定義一個

2019-10-15 00:55:19

原创 leetcode491. Increasing Subsequences

題目要求 Given an integer array, your task is to find all the different possible increasing subsequences of the given array,

2019-10-14 18:55:39

原创 leetcode352. Data Stream as Disjoint Intervals

題目要求 Given a data stream input of non-negative integers a1, a2, ..., an, ..., summarize the numbers seen so far as a lis

2019-10-12 17:15:28 5

原创 leetcode479. Largest Palindrome Product

題目要求 Find the largest palindrome made from the product of two n-digit numbers. Since the result could be very large, yo

2019-10-11 23:35:25

原创 leetcode478. Generate Random Point in a Circle

題目要求 Given the radius and x-y positions of the center of a circle, write a function randPoint which generates a uniform

2019-10-09 01:45:26