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Passing parameters in rails redirect_to
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174
Just append them to the options:
redirect_to controller: 'thing', action: 'edit', id: 3, some...
Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
What are some algorithms which we use daily that has O(1), O(n log n) and O(log n) complexities?
11 Answers
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How to merge dictionaries of dictionaries?
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147
this is actually quite tricky - particularly if you want a useful error message when things ar...
I want to remove double quotes from a String
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Converting file size in bytes to human-readable string
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What does string::npos mean in this code?
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12 Answers
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How to remove single character from a String
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231
You can also use the StringBuilder class which is mutable.
StringBuilder sb = new StringBuilder...
Is a Java hashmap search really O(1)?
I've seen some interesting claims on SO re Java hashmaps and their O(1) lookup time. Can someone explain why this is so? Unless these hashmaps are vastly different from any of the hashing algorithms I was bought up on, there must always exist a dataset that contains collisions.
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