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Animating Autolayout Constraints

May 18, 2015 · 5 minute read <br>auto layout<p><i>Updated 23 May 2015: I reworked this code a little from the original posting based on feedback to avoid</i> …

【干货】Xcode 6 技巧: 矢量图像,代码片段以及其他

作为一名开发者,无论你是职业的还是为了兴趣,毫无疑问的是你肯定会花无数的时间坐在显示器前等待你的工程完毕。感觉你正在使用的编程工具得心应手非常重要,因为它们是你的虚拟工作空间和所有工作条件的组成部分。当我说“所有”,我指的是:从你选择来作为工具的应用,一直到你把最后的可用的配置运用于它们身上。毫无疑 …

UINavigationController Background Color

We're sorry, but the article you are trying to view was deleted at 13 Jul 2015.<p>Please go to the Uncategorised Technical Blogs Table of Contents to …

Developing a Local CocoaPod Alongside Your iOS App

Whether you’re an independent developer or a large team building apps for multiple clients, there’s no better way to improve your efficiency than by …

Apps

A Beginner’s Guide to In-App Purchase Programming in iOS 8

Many applications today provide the option to get extra content and features by making purchases through them. This technique, known as In-App …

iOS

How To Create a Cool 3D Sidebar Animation Like in Taasky

Learn how to make a stylish 3D animation like Taasky’s open-door sidebar!Last year, readers voted on which effect from Evan Dekhayser’s Top 5 iOS 7 …

Visual Design

Writing Log Files with NSLogger

Debugging location services on iOS is hard. Not only does the simulator have bugs related to this functionality, but it also doesn’t support some …

ResearchKit Tutorial with Swift: Getting Started

In April 2015, Apple enacted its vision to advance medical research by sharing ResearchKit, a new open source framework which includes all the …

Digital Health

JSPatch

中文介绍 | 文档 | JSPatch平台<p><b>请大家不要自行接入 JSPatch,统一接入 JSPatch 平台,让热修复在一个安全和可控的环境下使用。原因详见 这里</b><p>JSPatch bridges Objective-C and JavaScript using the Objective-C …

Swift: Six Killer Features

There’s a lot to love about Swift. Here are 6 of my faves.1. StrideSwift’s <b>stride</b> function returns a sequence of values of any “strideable” type. …

Mathematics

Staying up to date with the iOS dev community

I’ve seen a lot of people asking how to keep up to date with the iOS dev community, so I decided to share a list of websites I try to visit …

iOS

Tappable UILabel Hyperlinks

In the previous blog post of this series, I have demonstrated how to modify the way UILabel draws hyperlinks. In this article I am showing how to …

Web Development

Authorizing Location Services in iOS 8

By Joan Martin on September 23, 2014<p><i>“I’ve upgraded to iOS 8 and when testing my app I no longer receive location updates anymore”</i><p>This is what …

GCD使用经验与技巧浅谈

前言GCD(Grand Central …

Visual Format Language for Autolayout

Other posts in the Autolayout series:<p>Visual Format Language (VFL) allows the concise building of your layout using an ASCII-art type format string. …

Swift语言iOS开发:CALayer十则示例

如你所知,我们在iOS应用中看到的都是视图(view),包括按钮视图、表视图、滑动条视图,还有可以容纳其他视图的父视图等。<p>但你或许不知道在iOS中支撑起每个视图的是一个叫做"图层(layer)"的类,确切地说是CALayer。<p>本文中您会了解CALayer及其工作原理,还有应用CALayer打造酷炫效 …

8 Regular Expressions You Should Know

Regular expressions are a language of their own. When you learn a new programming language, they're this little sub-language that makes no sense at …

Python Programming

that thing in swift

Automatic migration from Xcode<p>Sat, Sep 17, 2016<p>Upgrade to Xcode 8 without migrating to Swift 3<p>Tue, Aug 23, 2016<p>Find problem areas in Xcode and …

Objective-C

Objective-C's Designated Secret - don't panic

For the past several iterations of Xcode, Apple has quietly but steadily improved the quality of the backing toolchain. In particular, the clang …

#pragma

In iOS source examples, you’ve probably come across the use of #pragma. Pragmas are directives which instruct the compiler to use pragmatic or …

Faster Photos in Facebook for iOS

Adopting Progressive JPEG in Facebook for iOS<p>Your Facebook News Feed is filled with photos of your friends, family, and loved ones — photos you may …