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UITableViewCell Separator disappearing in iOS7
I have some strange issue with UITableView only in iOS 7.
37 Answers
37
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Unable to run app in Simulator: Xcode beta 6 iOS 8
...ps:
Open Xcode 6 beta
Go to the menu Xcode > Open Developer Tool > iOS Simulator
Even if an error dialog shows up, you still would have access to the iOS Simulator's menu
Select Hardware > Device > Manage Devices
Click on the little + sign at the bottom
Add (if missing) all the devices...
error: ‘std::ios_base::ios_base(const std::ios_base&)’ is private ...
error: ‘std::ios_base::ios_base(const std::ios_base&)’ is private ios_base(const ios_base&); synthesized method ‘std::basic_ostream::basic_ostream(const std::basic_ostream&)’ first required here这个错误的原因大概是std::ios_base类的拷贝构造函数是私有的，从retu...
Location Services not working in iOS 8
My app that worked fine on iOS 7 doesn't work with the iOS 8 SDK.
26 Answers
26
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How to hide iOS status bar
In my iOS video app status bar is hidden in some view controllers. I have done this using following code.
21 Answers
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How does Duff's device work?
...ce , and I don't get it. I am really interested, but I've read the explanation there a couple of times and I still don't get it how the Duff's device works.
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Looking to understand the iOS UIViewController lifecycle
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All these commands are called automatically at the appropriate times by iOS when you load/present/hide the view controller. It's important to note that these methods are attached to UIViewController and not to UIViews themselves. You won't get any of these features just using a UIView.
There's g...
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...
Getting “bytes.Buffer does not implement io.Writer” error message
I'm trying to have some Go object implement io.Writer, but writes to a string instead of a file or file-like object. I thought bytes.Buffer would work since it implements Write(p []byte) . However when I try this:
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BIO与NIO、AIO的区别(这个容易理解) - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
BIO与NIO、AIO的区别(这个容易理解)IO的方式通常分为几种，同步阻塞的BIO、同步非阻塞的NIO、异步非阻塞的AIO。一、BIO在JDK1 4出来之前，我们建立网络连接的时候采用BIO模式 IO的方式通常分为几种，同步阻塞的BIO、同步非阻塞的...