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How to check for an active Internet connection on iOS or macOS?
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Important: This check should always be performed asynchronously. The majority of answers below are synchronous so be careful otherwise you'll freeze up your app.
Swift
1) Install via CocoaPods or Carthage: https://github.com/ashleymil...
How to detect Windows 64-bit platform with .NET?
...rs suggest, starting at .NET Framework 4.0, you can just check Environment.Is64BitOperatingSystem.
IntPtr.Size won't return the correct value if running in 32-bit .NET Framework 2.0 on 64-bit Windows (it would return 32-bit).
As Microsoft's Raymond Chen describes, you have to first check if running...
What is the Swift equivalent to Objective-C's “@synchronized”?
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You can use GCD. It is a little more verbose than @synchronized, but works as a replacement:
let serialQueue = DispatchQueue(label: "com.test.mySerialQueue")
serialQueue.sync {
// code
}
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Protected in Interfaces
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Because an interface is supposed to mean "what you can see from outside the class". It would not make sense to add non-public methods.
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parseInt(null, 24) === 23… wait, what?
...Int to see how it handles values not yet initialized and I stumbled upon this gem. The below happens for any radix 24 or above.
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What is the difference between XMLHttpRequest, jQuery.ajax, jQuery.post, jQuery.get
How can I find out which method is best for a situation? Can anybody provide some examples to know the difference in terms of functionality and performance?
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When is it acceptable to call GC.Collect?
The general advise is that you should not call GC.Collect from your code, but what are the exceptions to this rule?
24 An...
ConcurrentHashMap vs Synchronized HashMap
What is the difference between using the wrapper class, SynchronizedMap , on a HashMap and ConcurrentHashMap ?
12 Ans...
What is the difference between Session.Abandon() and Session.Clear()
What is the difference between destroying a session and removing its values? Can you please provide an example demonstrating this?
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YAML mime type?
What is the most appropriate MIME type to use when sending data structured with YAML over HTTP?
6 Answers
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