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Define: What is a HashSet?
...ertion and lookup operations super fast by hashing elements. However, that means that the order in which the elements were added is lost. Other implementations preserve the added order at the cost of slower running times.
The HashSet class in C# goes for the first approach, thus not preserving the...
design a stack such that getMinimum( ) should be O(1)
...ding your other comments, when you say "in the stack design itself" do you mean "in each element"? If so, you're still potentially nearly doubling the memory requirements, depending on the size of the element type. It's conceptually the same as two stacks.
– Jon Skeet
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Python circular importing?
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I think the answer by jpmc26, while by no means wrong, comes down too heavily on circular imports. They can work just fine, if you set them up correctly.
The easiest way to do so is to use import my_module syntax, rather than from my_module import some_object. The f...
Lua简明教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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function getUserInfo(id)
print(id)
return "haoel", 37, "haoel@hotmail.com", "http://coolshell.cn"
end
name, age, email, website, bGay = getUserInfo()
注意：上面的示例中，因为没有传id，所以函...
What is the difference between “git branch” and “git checkout -b”?
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Can you explain more? I don't know what reset means for git
– Mikaël Mayer
Jul 1 '14 at 8:30
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Error 908: Permission RECEIVE_SMS has been denied. - App Inventor 2 中...
... flag it and may reject it. If you’re distributing it through some other means (or just using it for yourself), then it’s perfectly fine.Enabling the functionality is not equivalent to disabling “Google security measures.” All it means is that one will be required to go through additional re...
Fatal error: “No Target Architecture” in Visual Studio
... @David Heffernan: yes ,big brother is watching me ! (obviously x64 i meant)
– engf-010
Jan 30 '11 at 21:17
In my...
Force HTML5 youtube video
...ding the Youtube API Blog they are experimenting with their new HTML5 Video Player.
5 Answers
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How do I check if a number is a palindrome?
... commonly convert from decimal to binary - being used to think computation means binary doesn't mean you can't do, e.g., decimal arithmetic (and you can do conversion from binary to decimal without division or modulo 2).
– greybeard
Oct 16 '16 at 23:31
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Is there an easy way to strike through text in an app widget?
I was wondering if there is an easy way to strike text within an app widget in Android. In a normal activity, it is pretty easy, using textview flags:
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