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How the single threaded non blocking IO model works in Node.js
...de programmer, but I'm interested in how the single threaded non blocking IO model works.
After I read the article understanding-the-node-js-event-loop , I'm really confused about it.
It gave an example for the model:
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Can I create more than one repository for github pages?
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You can have one site published to https://<username>.github.io by publishing to the master branch of a repository named “username.github.io” (substituting your actual username).
You can also have an additional site per GitHub project published to https://<username>.github.i...
ios simulator: how to close an app
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By the way, trying this in iOS 7 presents screenshots of each running app; just swipe the screenshot upward to close it
– Chicowitz
Oct 23 '13 at 13:08
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How do I size a UITextView to its content?
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This works for both iOS 6.1 and iOS 7:
- (void)textViewDidChange:(UITextView *)textView
{
CGFloat fixedWidth = textView.frame.size.width;
CGSize newSize = [textView sizeThatFits:CGSizeMake(fixedWidth, MAXFLOAT)];
CGRect newFrame = t...
iOS app with framework crashed on device, dyld: Library not loaded, Xcode 6 Beta
...h/Frameworks to the 'Runpath Search Path' solved this problem i.e. in addition to adding the framework to 'Embedded Binaries'
– ArdenDev
Jan 5 '15 at 19:56
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NSInvalidUnarchiveOperationException: Could not instantiate class named NSLayoutConstraint
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By default, when you create a new iOS project in Xcode 4.5, your storyboard or XIB is set to use Autolayout, which is a new feature in iOS 6.0. The NSLayoutConstraint class is part of the Autolayout system, and it doesn't exist in older versions of iOS.
If ...
Programmatically get height of navigation bar
I know that the presence of the more view controller (navigation bar) pushes down the UIView by its height. I also know that this height = 44px. I have also discovered that this push down maintains the [self.view].frame.origin.y = 0 .
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How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor? [duplicate]
...here's some cross-platform C/C++ code that should be compiled on Mac OS X, iOS, Linux, Windows, how can I detect them reliably during preprocessor process?
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Is it possible to get the iOS 5.1 SDK for Xcode 4.2 on Snow Leopard?
I still have Snow Leopard. I have Xcode 4.2 for iOS development. This morning I upgraded my iPhone and iPad to iOS 5.1.
15...
UIStatusBarStyle PreferredStatusBarStyle does not work on iOS 7
In my iPhone application built with Xcode 5 for iOS 7 I set UIViewControllerBasedStatusBarAppearance=YES in info.plist , and in my ViewController I have this code:
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