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NSUserDefaults - How to tell if a key exists
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11 Answers
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C# List to string with delimiter
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1250
You can use String.Join. If you have a List<string> then you can call ToArray first:
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How can I check if a var is a string in JavaScript?
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391
You were close:
if (typeof a_string === 'string') {
// this is a string
}
On a related ...
Opening port 80 EC2 Amazon web services [closed]
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edited Jun 29 '16 at 13:14
Eric Leschinski
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How to parse Excel (XLS) file in Javascript/HTML5
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is vs typeof
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168
This should answer that question, and then some.
The second line, if (obj.GetType() == typeof...
Checking if an Android application is running in the background
...Paused();
}
Update
ActivityLifecycleCallbacks were added in API level 14 (Android 4.0). You can use them to track whether an activity of your application is currently visible to the user. Check Cornstalks' answer below for the details.
The wrong one
I used to suggest the following solution:
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