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What is the difference between supervised learning and unsupervised learning? [closed]

In terms of artificial intelligence and machine learning, what is the difference between supervised and unsupervised learning? Can you provide a basic, easy explanation with an example? ...
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Accessing members of items in a JSONArray with Java

... Have you tried using JSONArray.getJSONObject(int), and JSONArray.length() to create your for-loop: for (int i = 0; i < recs.length(); ++i) { JSONObject rec = recs.getJSONObject(i); int id = rec.getInt("id"); String loc = rec.getString("loc"); // ... } ...
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How to prevent column break within an element?

... goals are. UPDATE 2 Since Firefox does prevent breaking on display:table and display:inline-block a reliable but non-semantic solution would be to wrap each list item in its own list and apply the style rule there: .x { -moz-column-count: 3; -webkit-column-count: 3; column-coun...
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Haskell function composition (.) and function application ($) idioms: correct use

I have been reading Real World Haskell , and I am nearing the end, but a matter of style has been niggling at me to do with the (.) and ($) operators. ...
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How to check that a string is a palindrome using regular expressions?

...d about finite state machines. A finite state machine is composed of nodes and edges. Each edge is annotated with a letter from a finite alphabet. One or more nodes are special "accepting" nodes and one node is the "start" node. As each letter is read from a given word we traverse the given edge in ...
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When to encode space to plus (+) or %20?

...encoded to the + sign, some other times to %20 . What is the difference and why should this happen? 5 Answers ...
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Failed to install Python Cryptography package with PIP and setup.py

... pip install cryptography or by downloading the package from their site and running python setup.py , I get the following error: ...
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What is the C++ function to raise a number to a power?

...oesn't know which of float, double, or long double version it should take, and you would get an ambiguity error. All three would need a conversion from int to floating point, and all three are equally costly! Therefore, be sure to have the first argument typed so it matches one of those three perf...
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Visualizing branch topology in Git

I'm playing with Git in isolation on my own machine, and I find it difficult to maintain a mental model of all my branches and commits. I know I can do a git log to see the commit history from where I am, but is there a way to see the entire branch topography, something like these ASCII maps that ...
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Modify tick label text

...() # We need to draw the canvas, otherwise the labels won't be positioned and # won't have values yet. fig.canvas.draw() labels = [item.get_text() for item in ax.get_xticklabels()] labels[1] = 'Testing' ax.set_xticklabels(labels) plt.show() To understand the reason why you need to jump thro...