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Implement Stack using Two Queues
A similar question was asked earlier there , but the question here is the reverse of it, using two queues as a stack. The question...
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Keyboard shortcuts in WPF
I know about using _ instead of & , but I'm looking at all the Ctrl + type shortcuts.
10 Answers
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Skip List vs. Binary Search Tree
I recently came across the data structure known as a skip list . It seems to have very similar behavior to a binary search tree.
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Java: How to get input from System.console()
I am trying to use Console class to get input from user but a null object is returned when I call System.console() . Do I have to change anything before using System.console?
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What is stdClass in PHP?
Please define what stdClass is.
17 Answers
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How do I Search/Find and Replace in a standard string?
Is there a way to replace all occurrences of a substring with another string in std::string ?
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How to install packages using pip according to the requirements.txt file from a local directory?
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12 Answers
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What's the @ in front of a string in C#?
This is a .NET question for C# (or possibly VB.net), but I am trying to figure out what's the difference between the following declarations:
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Python: reload component Y imported with 'from X import Y'?
In Python, once I have imported a module X in an interpreter session using import X , and the module changes on the outside, I can reload the module with reload(X) . The changes then become available in my interpreter session.
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Difference between HashSet and HashMap?
Apart from the fact that HashSet does not allow duplicate values, what is the difference between HashMap and HashSet ?
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