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How can building a heap be O(n) time complexity?

...t of the nodes we are calling siftDown from the bottom of the tree, we are now calling siftDown from the top of the tree on each iteration! Although the tree is shrinking, it doesn't shrink fast enough: The height of the tree stays constant until you have removed the first half of the nodes (when yo...
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How can I disable logging of asset pipeline (sprockets) messages in Ruby on Rails 3.1?

... end alias_method_chain :call, :quiet_assets end end Updated: It now works for Ruby on Rails 3.2 too (previous attempt fixes before_dispatch, and now we're going for the root rack call instead) Update: A proper Rack middleware solution (instead of fragile alias_method_chain) from @macour...
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Formatting “yesterday's” date in python

... for options, you can as well use Pendulum (pendulum.eustace.io): pendulum.now().subtract(days=-1).strftime('%m%d%y') – AFD May 15 '19 at 11:22 add a comment ...
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How set maximum date in datepicker dialog in android?

...ate picker maximum date is as today date according to system date.i don't know how to set date picker maximum date as today date.Can any one know help me to solve this problem. ...
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How important is the order of columns in indexes?

...while Column 1 above does negate 1/2 the possibilities, the index already knows which index page to go straight to for the Column2 value, it does not necessary need Column 1 to narrow down the set. – CodeCowboyOrg Mar 23 '15 at 17:57 ...
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Copy existing project with a new name in Android Studio

...(using a file manager) of the entire module folder and give it a new name. Now open it up and use Refactor -> Rename (right click on the item you want to rename) to rename your module and package. See this for details about refactoring in IntelliJ/Android Studio. ...
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Save classifier to disk in scikit-learn

...digits.data, digits.target) 0.9526989426822482 Edit: in Python 3.8+ it's now possible to use pickle for efficient pickling of object with large numerical arrays as attributes if you use pickle protocol 5 (which is not the default). ...
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How to build & install GLFW 3 and use it in a Linux project

...d them already. (See the -l options given to the g++ linker stage, below.) Now you can type make and then make install, which will probably require you to sudo first. Okay, you should get some verbose output on the last three CMake stages, telling you what has been built or where it has been placed....
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Is there a Google Voice API? [closed]

... Its gone now. How did it work and where is it? – 0xcaff Jul 14 '16 at 1:14 ...
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How to create a windows service from java app

... your last paragraph. Also, apache commons daemon is the only wrapper i know of that has pre-built 64-bit binaries for free-use. – djangofan Nov 8 '11 at 23:41 ...