LintCode
LintCode-493.Implement Queue by Linked List II Implement a Queue by linked list. Provide the following basic methods: 1. push_front(item). Add a new item to the front of queue. 2. push_back(item). Add a new item to the back of the queue. 3. pop_front(). Move the
LintCode
LintCode-492.Implement Queue by Linked List Implement a Queue by linked list. Support the following basic methods: 1. enqueue(item). Put a new item in the queue. 2. dequeue(). Move the first item out of the queue, return it. This problem you need to check whether the queue is empty
LintCode
LintCode-40.Implement Queue by Two Stacks As the title described, you should only use two stacks to implement a queue's actions. The queue should support push(element), pop() and top() where pop is pop the first(a.k.a front) element in the queue. Both pop and top
LintCode
LintCode-494.Implement Stack by Two Queues Implement a stack by two queues. The queue is first in first out (FIFO). That means you can not directly pop the last element in a queue. For this question, you need to pay attention to the push(int x) method. class Stack { Queue&
iOS
I got one mail from Apple two days ago saying that the iAd App Network and related advertising services will be discontinued on June 30, 2016. I have one app that is using iAd, so I guess that's why I got the mail. So I just removed the
This post just list some learning resources about tvOS. * tvOS Documentation: Apple’s official tvOS documentation * App Programming Guide for tvOS * Apple TV Human Interface Guidelines * tvOS Tutorial from Raywenderlich 1. tvOS SDK: An iOS Developer’s Initial Impressions 2. Beginning tvOS Development with TVML Tutorial * Introduction to tvOS: Building
iOS
I bet many iOS developers are busy submitting apps to the App Store lately after fixing issues on iOS 9. This blog post just listed the issues I came across lately when submitting apps to App Store. 1. I was using Xcode 7 GM to submit one app, which uses
I submitted a new version of my app Pomodoro Tracker yesterday, adding support for Apple Watch. I encountered several issues when submitting the app, just list them below. 1.Version and Build Number Make sure the version and build numbers for your iPhone app, WatchKit extension, and WatchKit app are
iOS
WatchKit是Apple发布的用来开发Apple Watch应用的框架，本文主要列出一些关于WatchKit的学习资源。 * Apple官方推出的Apple Watch Programming Guide * WatchKit Development Tips * Apple Watch Human Interface Guidelines * Raywenderlich的WatchKit Tutorial 1. watchOS 2 Tutorial Part 1: Getting Started 2. watchOS 2 Tutorial Part 2: Tables * WatchKit Introduction: Building a Simple Guess
今天升级了Mac OS X 10.10-Yosemite以后运行pod install遇到下面的错误： /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/fileutils.rb:245:in 'mkdir': Permission denied - /Library/Ruby/Gems/2.0.0/extensions/universal-darwin-14 (Errno::EACCES) 一番折腾后找到解决方案如下： 1. 分别执行下面命令卸载cocoapods和xcodeproj，如果你的机器上面有多个版本，选择All versions卸载 $ sudo gem uninstall cocoapods
Xcode
本文主要介绍一下Xcode 6的iOS模拟器的应用目录的变化。 Xcode 5的iOS模拟器的应用的目录是在~/Library/Application Support/iPhone Simulator/<iOS_Version>/Applications/{Application_ID} Xcode 6的目录改为~/Library/Developer/CoreSimulator/Devices/{Device_ID}/data/Containers/Bundle/Application/{Application_ID}/ 这里的Device_ID和Application_ID都是一串UUID，如果想查找不同的模拟器对应的Device_ID，可以通过在Terminal执行命令xcrun simctl list，如下图所示 iOS模拟器的管理工具SimPholders2也针对此变动进行了更新。 Hope this helps, Michael
iOS
Swift是Apple在今年的WWDC推出的一门新的编程语言，它的1.0版本跟着Xcode 6正式发布了。本文主要列出一些关于Swift的学习资源。 * Apple官方推出的iBook The Swift Programming Language web版 The Swift Programming Language * Using Swift with Cocoa and Objective-C * Swift Programming Books * WWDC关于Swift的Session 1. Introduction to Swift 2. Intermediate Swift 3. Advanced Swift *
