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Difference between classification and clustering in data mining? [closed]
...ome kind of relationship (by being closer together in some model). You normally don't find classes (if you think that you use clustering to find classes for classification). That is not the case. Instead, you have a training set at the beginning which consist of labelled items (so you know which cla...
How to load/edit/run/save text files (.py) into an IPython notebook cell?
...yfile.py into the current cell
For more magic and help
%lsmagic
list all the other cool cell magic commands.
%COMMAND-NAME?
for help on how to use a certain command. i.e. %run?
Note
Beside the cell magic commands, IPython notebook (now Jupyter notebook) is so cool that it allows you to ...
How to pass the values from one activity to previous activity
...he entered text value in its extras bundle. To pass it back to the parent call setResult before calling finish to close the secondary Activity.
Intent resultIntent = new Intent();
resultIntent.putExtra(PUBLIC_STATIC_STRING_IDENTIFIER, enteredTextValue);
setResult(Activity.RESULT_OK, resultIntent);
...
event Action vs event EventHandler
...u use Action<> your event will not follow the design pattern of virtually any other event in the system, which I would consider a drawback.
One upside with the dominating design pattern (apart from the power of sameness) is that you can extend the EventArgs object with new properties without...
How to sort in-place using the merge sort algorithm?
...the merging sequence that the unmerged elements won't be overwritten.
Actually, instead of sorting the second half of the working area, we can sort the first half, and put the working area between the two sorted arrays like this:
... sorted 1/4 array B | unsorted work area | ... sorted 1/2 array A...
LinkedBlockingQueue vs ConcurrentLinkedQueue
... for communication between producer and consumer threads would people generally recommend using LinkedBlockingQueue or ConcurrentLinkedQueue ?
...
android button selector
... please elaborate more for how to set pressed and non-pressed state? (with all the components above such as round color, stroke, etc). Many thanks!
– pearmak
Dec 24 '12 at 17:13
...
Types in MySQL: BigInt(20) vs Int(20)
...gInt , MediumInt , and Int are... it would seem obvious that they would allow for larger numbers; however, I can make an Int(20) or a BigInt(20) and that would make seem that it is not necessarily about size.
...
What is a MIME type?
..." the client can go "Ah, this is an HTML document, I can render that internally", while if the server says "This is application/pdf" the client can go "Ah, I need to launch the FoxIt PDF Reader plugin that the user has installed and that has registered itself as the application/pdf handler."
You'll...
Python: fastest way to create a list of n lists
...
The probably only way which is marginally faster than
d = [[] for x in xrange(n)]
is
from itertools import repeat
d = [[] for i in repeat(None, n)]
It does not have to create a new int object in every iteration and is about 15 % faster on my machine.
Edi...