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Find kth smallest element in a binary search tree in Optimum way
...uce the problem to finding the kth smallest element in the left subtree.
Complexity analysis:
This takes O(depth of node) time, which is O(log n) in the worst case on a balanced BST, or O(log n) on average for a random BST.
A BST requires O(n) storage, and it takes another O(n) to store the info...
SublimeText encloses lines in white rectangles
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Checking if a key exists in a JavaScript object?
..., use hasOwnProperty:
obj.hasOwnProperty("key") // true
For performance comparison between the methods that are in, hasOwnProperty and key is undefined, see this benchmark
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What is the use of hashCode in Java?
...ng link for the same with easy to understand practical example : coderanch.com/t/321515/java/java/HashCode
– Logicalj
Aug 27 '13 at 12:11
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Using print statements only to debug
...nt. It may seem excessive at first, but only use the parts you need. I'd recommend using logging.basicConfig to toggle the logging level to stderr and the simple log methods, debug, info, warning, error and critical.
import logging, sys
logging.basicConfig(stream=sys.stderr, level=logging.DEBUG)
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Android set height and width of Custom view programmatically
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How to prevent Node.js from exiting while waiting for a callback?
...s/blocking version, this may not happen til some part of the operation has completed and all the queues might empty before that occurs, allowing node to exit silently.
This is a sneaky bug, that is one that the module developer might not run into during development, as it will occur less often in b...
INSERT INTO vs SELECT INTO
... assuming proper trace flags are set.
In my experience SELECT INTO is most commonly used with intermediate data sets, like #temp tables, or to copy out an entire table like for a backup. INSERT INTO is used when you insert into an existing table with a known structure.
EDIT
To address your edit,...
JavaScript equivalent to printf/String.Format
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community wiki
9 revs, 8 users 39%Gumbo
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Why are empty catch blocks a bad idea? [closed]
...d the exception and logging is unavailable for some reason, I make sure to comment that it's intentional -- and why it's not needed, and reiterate that I'd still prefer to log it if it were feasible in that environment. Basically I make the comment MORE work than logging would have been had it been ...