IOS

Determining that the nsstring is null is a problem that almost every developer will encounter. The following method is the first thing that most people flash their brains. If ([yourtextstring isequaltostring: @ ""]) However, it is a pity that such

Most of the time we use navigationcontroller because of the previous navigationcontroller. the title string is too long, which makes the return button of the next interface very long and ugly. To make it more beautiful, we can change the title of

Quickoffice pro // basically, each instance is USD 10. Pages, numbers,And keynote ($10/each) are Apple's entryInto the iPhone office suite category, providing mobile versions of their desktop iwork suite. overall the apps are very nice, and as far

I. First, let's talk about learning books: 1. OC tutorial The content of this book is really not much. It may have been completed by a friend of C and OOP language basics within 1-2 hours. It is estimated that this book may be intended for

Compared with Android, the IOS open source project on GitHub is even more red. Despite the different effects, the root cause is that developers need and love a certain effect. Use it directly! The most popular open-source IOS project "series of

[IOS] Question about URL encoding in IOS The stringbyaddingpercentescapesusingencoding of nsstring can encode the URL parameter, but it is a small problem and will not encode all characters to be encoded. We can use the cfstringref The

Start developing IOS apps now Developing IOS apps is both interesting and rewarding. If you are a newbie, you naturally want to know where to start. This roadmap provides an excellent starting point for iOS application development. On Mac, you can

This lesson focuses on the principles of final projects and persistence. Persistence Persistence means that it still exists when you exit the app. Nsuserdefaults is a very simple persistence solution, but there are restrictions, it can only be small

Http://www.cppblog.com/Khan/archive/2012/12/13/196216.html Because the project also requires MP3 audio encoding, you must first download the lame source code to build a cross environment, and enter the following compilation script build. Sh 1 #

A: Resource lock #import @interface WPGlobalTest : GHTestCase{ int _count; NSLock *_lock;}@end -(void)test3{ if (_lock == nil) { _lock = [[NSLock alloc] init]; } NSThread *t1 = [[[NSThread alloc]

Https://github.com/miyabichan/cURL-SSL-for-iOS #!/bin/sh # Automatic build script for libcurl # for iPhoneOS and iPhoneSimulator # # Created by Miyabi Kazamatsuri on 19.04.11. # Copyright 2011 Miyabi

Http://blog.csdn.net/jiarusun000/article/details/7631655 This is the certificate. We will first configure the certificate from here. Click here to download a. Cer Certificate file... Double-click the downloaded certificate and install it to

I believe that I am a friend of IOS developers and will not be unfamiliar with the asihttprequest library. Next I will share my experiences on using asihttprequest to monitor traffic. What I need to declare in advance is only in wwan (GPRS/EDGE/3G)

Reprinted from: http://blog.csdn.net/w59879213/article/details/7208288 I searched through the Internet and introduced many articles on uitableview paging. They are all very uniform and the code is correct. I just didn't sort out my ideas. I am here

Set User Agent The Code is as follows: [ASIHTTPRequest setDefaultUserAgentString:@"MyApp 1.0"]; If no user agent is set, asihttprequest will create one for you. For example (Mac OS program ):My application 1.0 (Macintosh; Mac OS X 10.5.7;

IOS supports multiple levels of multi-threaded programming. The higher the level, the higher the abstraction level, and the more convenient it is to use. It is also Apple's most recommended method. The following lists the multi-threaded programming

On iOS, how do I create my own framework? (Not a static database) Please refer to the question on stackoverflow: Http://stackoverflow.com/questions/4065052/how-to-build-a-framework-or-library-for-other-developers-the-secure-way Solution 1. Run the

Modol View Controller (MVC) is one of the earliest and most successful design patterns that can be reused. It was used successfully in a program written in smaltalk for the first time in 1970s. Based on the MVC design model, the overall architecture

A delegate is also called a proxy, which is a common design pattern in iOS development. With Protocol (refer to the blog post: Objective-C protocol), we can easily implement this design mode.What is proxy? Apple's official documentation provides a

The Singleton mode is used when a class can only have one instance. Generally, this Singleton mode indicates a physical device, such as a printer, or a virtual resource or system attribute that cannot have multiple instances at the same time, such