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what is the difference between 'transform' and 'fit_transform' in sklearn

... into training data and test data: import numpy as np from sklearn.model_selection import train_test_split X_train, X_test, y_train, y_test = train_test_split(X, y) X_train_vectorized = model.fit_transform(X_train) X_test_vectorized = model.transform(X_test) Imagine we are fitting a tokenizer,...
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Is it possible to send an array with the Postman Chrome extension?

...ote: If you are using the postman packaged app, you can send an array by selecting raw / json (instead of form-data). Also, make sure to set Content-Type as application/json in Headers tab. Here is example for raw data {"user_ids": ["123" "233"]}, don't forget the quotes! If you are using the p...
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Does Android keep the .apk files? if so where?

...y Access your phone using AirDroid from your PC web browser Go to Apps and select the installed app Click the "download" button to download the APK version of this app from your phone You don't need to root your phone, use adb, or write anything. ...
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How to detect a textbox's content has changed

...s of editing textbox content that do not involve any keypress. For example selecting a range of text then right-click-cut. Or dragging it. Or dropping text from another app into the textbox. Or changing a word via the browser's spell-check. Or... So if you must detect every change, you have to poll...
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What is the meaning of “$” sign in JavaScript

...ipt libraries copied this idea. Prototype also introduced a $$ function to select elements using CSS selector. jQuery also adapted $ function but expanded to make it accept all kinds of 'selectors' to get the elements you want. Now, if you are already using Prototype in your project and wanted to ...
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How to get the size of a JavaScript object?

...t, run the task you suspect is leaking, take a new quick Heap Snapshot and select the comparison view at the bottom. It makes obvious what objects were created between the two snapshots. – Johnride Mar 28 '14 at 15:13 ...
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Where is svcutil.exe in Windows 7?

...in svcutil.exe Wait for results to populate Right click on svcutil.exe and Select 'Open file location' Copy Windows explorer path share | improve this answer | follow ...
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What is this 'Waiting for Background operation' in Visual Studio 2012?

...blem I struggled with for over two weeks trying to figure out. Note that I selected "Web Development (Code Only)" in the last part of the Reset all Settings wizard. PLEASE UPVOTE SO THIS ANSWER SHOWS UP BETTER ON SEARCHES. – REMESQ Nov 16 '12 at 0:18 ...
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What is the facade design pattern?

...e which specific functions to call. You want to book a "tour package", you select the hotel, cab, flight at one place/form then internally the facade invokes the functions of different appropriate classes and return you a final result. Isn't it? – Arun Raaj Feb...
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How do I display an alert dialog on Android?

... Didn't work on drawer item selection, but this one did: stackoverflow.com/a/26097588/1953178 – Amr Hossam Nov 5 '15 at 16:30 5 ...