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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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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
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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....
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...
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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req.body empty on posts
...rlencoded data, not multipart
As @SujeetAgrahari mentioned, body-parser is now inbuilt with express.js.
Use app.use(express.json()); to implement it in recent versions.
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If a folder does not exist, create it
...er control in my application. I want to save a file in a specified folder. Now I want, if this folder does not exist, to first create it, and then save my file to this folder. If the folder already exists, then just save the file in it.
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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...
How can I recover a removed file in Mercurial (if at all)?
...<revision number> <path to deleted file>
The deleted file will now be in your working copy, ready to be committed back into head.
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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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