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Find XOR of all numbers in a given range
You are given a large range [a,b] where 'a' and 'b' can be typically between 1 and 4,000,000,000 inclusive. You have to find out the XOR of all the numbers in the given range.
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Meaning of “[: too many arguments” error from if [] (square brackets)
I couldn't find any one simple straightforward resource spelling out the meaning of and fix for the following BASH shell error, so I'm posting what I found after researching it.
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Explaining Apache ZooKeeper
I am trying to understand ZooKeeper, how it works and what it does. Is there any application which is comparable to ZooKeeper?
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Difference between Hashing a Password and Encrypting it
The current top-voted to this question states:
9 Answers
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Differences between Proxy and Decorator Pattern
Can you give any good explanation what is the difference between Proxy and Decorator ?
8 Answers
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dynamic_cast and static_cast in C++
I am quite confused with the dynamic_cast keyword in C++.
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How do I return the response from an asynchronous call?
I have a function foo which makes an asynchronous request. How can I return the response/result from foo ?
39 Answers
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How can I remove a character from a string using Javascript?
I am so close to getting this, but it just isn't right.
All I would like to do is remove the character r from a string.
The problem is, there is more than one instance of r in the string.
However, it is always the character at index 4 (so the 5th character).
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How do you read a file into a list in Python? [duplicate]
I want to prompt a user for a number of random numbers to be generated and saved to a file. He gave us that part. The part we have to do is to open that file, convert the numbers into a list, then find the mean, standard deviation, etc. without using the easy built-in Python tools.
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How to create a trie in Python
I'm interested in tries and DAWGs (direct acyclic word graph) and I've been reading a lot about them but I don't understand what should the output trie or DAWG file look like.
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