大约有 7,000 项符合查询结果（耗时：0.0253秒） [XML]
SecItemAdd and SecItemCopyMatching returns error code -34018 (errSecMissingEntitlement)
Sometimes when I run an application on device from Xcode I would try to access the keychain but fail due to error -34018. This doesn't match any of the documented keychain error codes and can't be consistently reproduced. (happens maybe 30% of the time, and it's not clear to me why it happens). What...
Can you build dynamic libraries for iOS and load them at runtime?
Are dynamic libraries supported on iOS (iPhone/iPad)?
3 Answers
3
...
Citrix服务器虚拟化：XenApp 6.5发布服务器上的应用程序 - 更多技术 - 清泛...
...上运行彼此冲突的应用程序（例如同一个应用程序的多个版本），而无需将这些应用程序隔离。这简化了应用程序的更新过程，因为您只需更新一个应用程序配置文件。场服务器需要有足够的资源来支持应用程序。用户必须连接...
由12306.cn谈谈网站性能技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...体会到当拨号时代做个图页都不敢用图片的情形（现在在手机端浏览也是这个情形）。我查看了一下12306首页的需要下载的总文件大小大约在900KB左右，如果你访问过了，浏览器会帮你缓存很多，只需下载10K左右的文件。但是我...
Max size of an iOS application
What is the maximum size of an iOS application? any constraints?
8 Answers
8
...
Favicons - Best practices
.... Then, there was the touch icon, then multiple touch icons dues to the various iOS devices screen resolutions, then there was the tile icon for Windows...
Some answers here are very comprehensive - and overwhelming (all this, only for a favicon?). Yet, they fail at indicating that the 310x310 tile...
Autoresizing issue of UICollectionViewCell contentView's frame in Storyboard prototype cell (Xcode 6
I'm using Xcode 6 Beta 3, iOS 8 SDK. Build Target iOS 7.0 using Swift. Please refer to my problem step by step with screenshots below.
...
iPhone system font
...es that this
change is related to the iPhone 4
display rather than the iOS 4
operating system and older iPhone
models running iOS 4 still use
Helvetica as the system font.
iPod models released prior to the
iPhone use either Chicago, Espy Sans,
or Myriad and use Helvetica after the...
Java: Path vs File
For new applications written in Java 7, is there any reason to use a java.io.File object any more or can we consider it deprecated?
...
How do I check if a string contains another string in Objective-C?
...SString *string = @"hello bla bla";
if ([string rangeOfString:@"bla"].location == NSNotFound) {
NSLog(@"string does not contain bla");
} else {
NSLog(@"string contains bla!");
}
The key is noticing that rangeOfString: returns an NSRange struct, and the documentation says that it returns the st...