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Difference between classification and clustering in data mining? [closed]

... 243 In general, in classification you have a set of predefined classes and want to know which class...
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Cannot add or update a child row: a foreign key constraint fails

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Is it safe to push_back an element from the same vector?

...ohlNate Kohl 31.8k1010 gold badges3939 silver badges4949 bronze badges ...
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Putty: Getting Server refused our key Error

...key pair using puttygen.exe (client is windows 8). On server (Ubuntu 12.04.3 LTS), I have put my public key in ~/.ssh/authorized_keys . The public key is this: ...
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What happens to a declared, uninitialized variable in C? Does it have a value?

... | edited Aug 17 at 13:34 klutt 19.6k1414 gold badges3737 silver badges6464 bronze badges answered Oct...
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Android and setting alpha for (image) view alpha

... 1.0 instead of 0 to 255. Use it e.g. like <ImageView android:alpha="0.4"> However, the latter in available only since API level 11. share | improve this answer | fo...
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pytest: assert almost equal

... 249 I noticed that this question specifically asked about py.test. py.test 3.0 includes an approx()...
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What does the comma operator , do?

... then if I write i = (5,4,3,2,1,0) then ideally it should return 0, correct? but i is being assigned a value of 5? Can you please help me understand where am I going wrong? – Jayesh Nov 13 '10 at 6:55 ...
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How to remove ASP.Net MVC Default HTTP Headers?

... | edited Apr 5 '19 at 10:43 Ian Kemp 21.9k1414 gold badges9393 silver badges116116 bronze badges answer...
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How would you do a “not in” query with LINQ?

... | edited May 26 '11 at 5:41 Robert Paulson 16.2k44 gold badges3131 silver badges5050 bronze badges answ...