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Find kth smallest element in a binary search tree in Optimum way
I need to find the kth smallest element in the binary search tree without using any static/global variable. How to achieve it efficiently?
The solution that I have in my mind is doing the operation in O(n), the worst case since I am planning to do an inorder traversal of the entire tree. But deep do...
Elegant way to invert a map in Scala
Learning Scala currently and needed to invert a Map to do some inverted value->key lookups. I was looking for a simple way to do this, but came up with only:
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How to programmatically display version/build number of target in iOS app?
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There are 2 Numbers!
The marketing release number is for the customers, called version number. It starts with 1.0 and goes up for major updates to 2.0, 3.0, for minor updates to 1.1, 1.2 and for bug fixes to 1.0.1, 1.0.2 . This number is oriented about releases and new features. It does not...
How can jQuery deferred be used?
jQuery 1.5 brings the new Deferred object and the attached methods .when , .Deferred and ._Deferred .
11 Answers
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Accessing JPEG EXIF rotation data in JavaScript on the client side
...'d like to rotate photos based on their original rotation, as set by the camera in JPEG EXIF image data. The trick is that all this should happen in the browser, using JavaScript and <canvas> .
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What does “The APR based Apache Tomcat Native library was not found” mean?
... Eclipse on Windows. When starting Tomcat, I am getting the following info message:
12 Answers
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SublimeText encloses lines in white rectangles
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Looks like you have SublimeLinter installed. It highlights errors and warnings.
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Why is there no tuple comprehension in Python?
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By this argument, we could say a list-comprehension is unnecessary too: list(i for i in (1,2,3)). I really think it's simply because there isn't a clean syntax for it (or at least nobody has thought of one)
– mgil...
Is there a built-in function to print all the current properties and values of an object?
So what I'm looking for here is something like PHP's print_r function.
25 Answers
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Checking if a key exists in a JavaScript object?
...dless of the actual value
If you want to check if a key doesn't exist, remember to use parenthesis:
!("key" in obj) // true if "key" doesn't exist in object
!"key" in obj // ERROR! Equivalent to "false in obj"
Or, if you want to particularly test for properties of the object instance (and no...