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Find the Smallest Integer Not in a List
... in O(N) time and O(1) additional space. Just go through the array sequentially and for every index write the value at the index to the index specified by value, recursively placing any value at that location to its place and throwing away values > N. Then go again through the array looking for t...
What do helper and helper_method do?
helper_method is straightforward: it makes some or all of the controller's methods available to the view.
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Using Rails 3.1, where do you put your “page specific” JavaScript code?
To my understanding, all of your JavaScript gets merged into 1 file. Rails does this by default when it adds //= require_tree . to the bottom of your application.js manifest file.
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What optimizations can GHC be expected to perform reliably?
...has a lot of optimizations that it can perform, but I don't know what they all are, nor how likely they are to be performed and under what circumstances.
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How do I find all of the symlinks in a directory tree?
I'm trying to find all of the symlinks within a directory tree for my website. I know that I can use find to do this but I can't figure out how to recursively check the directories.
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Why it's not possible to use regex to parse HTML/XML: a formal explanation in layman's terms
...omaton has no memory - no stack, no heap, no infinite tape to scribble on. All it has is a finite number of internal states, each of which can read a unit of input from the string being tested, and use that to decide which state to move to next. As special cases, it has two termination states: "yes,...
What is android:weightSum in android, and how does it work?
...e maximum weight sum, and is calculated as the sum of the layout_weight of all the children if not specified explicitly.
Let's consider an example with a LinearLayout with horizontal orientation and 3 ImageViews inside it. Now we want these ImageViews always to take equal space. To acheive this, yo...
How to grep and replace
I need to recursively search for a specified string within all files and subdirectories within a directory and replace this string with another string.
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How do you prevent IDisposable from spreading to all your classes?
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You can't really "prevent" IDisposable from spreading. Some classes need to be disposed, like AutoResetEvent, and the most efficient way is to do it in the Dispose() method to avoid the overhead of finalizers. But this method must be cal...
Remove CSS from a Div using JQuery
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This answer doesn't help all the case where you modify something on the fly for doing animation or complex rendering. The question was not about how to organize the CSS, but how to remove a CSS option.
– FMaz008
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