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List all environment variables from the command line
Is it possible to list all environment variables from a Windows' command prompt?
8 Answers
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How to import a class from default package
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From the Java language spec:
It is a compile time error to import a type from the unnamed package.
You'll have to access the class via reflection or some other indirect method.
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How can I get a resource “Folder” from inside my jar File?
...ar File?
Notice that the Jar file with the resources is the same jar file from which the code is being run...
10 Answers
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Opening the Settings app from another app
Okay, I know that there are many question about it, but they are all from many time ago.
17 Answers
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When is TCP option SO_LINGER (0) required?
...w, the option is used. The customer complains about RST as response to FIN from its side on connection close from its side.
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Why can't I stop vim from wrapping my code?
I can't stop vim from wrapping my Python code. If I enter :set nowrap like a champ, but it still wraps.
9 Answers
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Design Patterns: Abstract Factory vs Factory Method
...omplicated refer to next diagram for better real-life example).
Example From The .NET Framework
DbFactoriesProvider is a Simple Factory as it has no sub-types. The DbFactoryProvider is an abstract factory as it can create various related database objects such as connection and command objects.
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jquery: $(window).scrollTop() but no $(window).scrollBottom()
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scroll Top is # of vertical pixels from document Top to visible window Top. As an exact opposite to scroll Top, scroll Bottom should measure # of vertical pixels from document Bottom to the visible window Bottom (i.e. Alfred's answer below). What this gives is...
Add swipe to delete UITableViewCell
...wCellEditingStyle.Delete) {
// handle delete (by removing the data from your array and updating the tableview)
}
}
Swift 3.0:
override func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool {
return true
}
override func tableView(_ tableView: UITab...
Difference between
...above possible assignments, what type of object are you guaranteed to read from List foo3:
You can read a Number because any of the lists that could be assigned to foo3 contain a Number or a subclass of Number.
You can't read an Integer because foo3 could be pointing at a List<Double>.
You c...