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How to check that an element is in a std::set?
How do you check that an element is in a set?
10 Answers
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Which is better in python, del or delattr?
This may be silly, but it's been nagging the back of my brain for a while.
8 Answers
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What is fastest children() or find() in jQuery?
To select a child node in jQuery one can use children() but also find().
6 Answers
6
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How to do relative imports in Python?
Imagine this directory structure:
15 Answers
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Java Hashmap: How to get key from value?
If I have the value "foo" , and a HashMap<String> ftw for which ftw.containsValue("foo") returns true , how can I get the corresponding key? Do I have to loop through the hashmap? What is the best way to do that?
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How to scale threads according to CPU cores?
I want to solve a mathematical problem with multiple threads in Java. my math problem can be separated into work units, that I want to have solved in several threads.
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You can't specify target table for update in FROM clause
I have a simple mysql table:
11 Answers
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How to use onSavedInstanceState example please
I'm confused when it comes down to saving a state. So I know that onSaveInstanceState(Bundle) is called when the activity is about to be destroyed. But how do you store your information in it and bring it back to its original state in onCreate(Bundle savedInstanceState) ? I don't understand how t...
Rails Model find where not equal
How can I find records in my database on a not equal condition? I have this now, but is there a fancy rails-speak way of doing it?
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