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How to implement a queue with three stacks?
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SUMMARY
O(1) algorithm is known for 6 stacks
O(1) algorithm is known for 3 stacks, but using lazy evaluation which in practice corresponds to having extra internal data structures, so it does not constitute a solution
People near Sedgewick have confirm...
NodeJS: How to decode base64 encoded string back to binary? [duplicate]
...r.from(b64string, 'base64'); // Ta-da
} else {
// older Node versions, now deprecated
buf = new Buffer(b64string, 'base64'); // Ta-da
}
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Converting a Java collection into a Scala collection
... a more explicit way (using JavaConverters), which seems to be recommended now.
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What port is a given program using? [closed]
...believe you need to be in the administrator group to do this, and I don't know what security implications there are on Vista.
I usually add -n as well to make it a little faster, but adding -b can make it quite slow.
Edit: If you need more functionality than netstat provides, vasac suggests that y...
Why should text files end with a newline?
...miliar with the adage that all text files should end with a newline. I've known of this "rule" for years but I've always wondered — why?
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How to easily initialize a list of Tuples?
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@BillW Not too certain this is the exact post, ... but I know Jon Skeet has written about it before.
– Steven Jeuris
Jul 20 '15 at 23:39
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android View not attached to window manager
... thread which survives the activity restart and may hold references to the now dead Activity and its Views (this is a effectively a memory leak, albeit probably a short term one - depends how long the task takes to complete). The solution above works fine, if you're happy to accept a short term mem...
Node.js check if path is file or directory
...re can we look to see? -- Oops I see when I click the link above that it's now stable (which implies no longer experimental).
– alfreema
Mar 9 at 18:54
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What's the optimum way of storing an NSDate in NSUserDefaults?
... For the record - 32 bit floats have only 24 bits for accuracy, so 1970 to now is 40 years, which is 40*365*86400 seconds, and (40 * 365 * 86 400) / (2 ** 24) = 75second error. Double precision is what a DateTime interval, and its RAW precision is now better than a millionth of a second.
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Partly JSON unmarshal into a map in Go
...t as value identifier, telling the Go server what kind of value it is. By knowing what type of value, I can then proceed to JSON unmarshal the value into the correct type of struct.
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