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Difference between classification and clustering in data mining? [closed]
Can someone explain what the difference is between classification and clustering in data mining?
21 Answers
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What does the property “Nonatomic” mean?
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Take a look at the Apple Docs.
Basically, if you say nonatomic, and you generate the accessors using @synthesize, then if multiple threads try to change/read the property at once, badness can happen. You can get partially-written values or over-released/retained objects, which can easily ...
Calling startActivity() from outside of an Activity context
I have implemented a ListView in my Android application. I bind to this ListView using a custom subclass of the ArrayAdapter class. Inside the overridden ArrayAdapter.getView(...) method, I assign an OnClickListener . In the onClick method of the OnClickListener , I want to launch a n...
What is the global interpreter lock (GIL) in CPython?
What is a global interpreter lock and why is it an issue?
8 Answers
8
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Getting all file names from a folder using C# [duplicate]
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How does DirectoryInfo and FileInfo compare to the Directory.GetFiles approach?
– Aaron Franke
Dec 6 '18 at 22:17
add a com...
Get all keys of an NSDictionary as an NSArray
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And if you want to get all keys and values, here's what you do:
for (NSString *key in dictionary) {
id value = dictionary[key];
NSLog(@"Value: %@ for key: %@", value, key);
}
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How to convert SSH keypairs generated using PuTTYgen (Windows) into key-pairs used by ssh-agent and
I've generated key pairs using PuTTYgen and been logging in using Pageant, so that I have to enter my pass-phrase only once when my system boots.
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How to change border color of textarea on :focus
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I think better is using outline and shadow together "outline: solid 2px #8dc63f; box-shadow: 0 0 21px #8dc63f;" :-)
– BG BRUNO
Jun 8 '17 at 21:04
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Redirect to named url pattern directly from urls.py in django?
...l time using given pattern name. Other useful parameters include permanent and query_string.
– tutuDajuju
Sep 6 '16 at 16:29
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show 2 more c...
How do you discover model attributes in Rails?
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In ActiveRecord 5 (and probably earlier) you can call Model.attribute_names.
– aceofbassgreg
Sep 22 '16 at 17:17
add a ...