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Cluster analysis in R: determine the optimal number of clusters
..., calinski.best, "\n")
# 5 clusters!
Four. Determine the optimal model and number of clusters according to the Bayesian Information Criterion for expectation-maximization, initialized by hierarchical clustering for parameterized Gaussian mixture models
# See http://www.jstatsoft.org/v18/i06/pap...
Can I catch multiple Java exceptions in the same catch clause?
...that base exception type.
Also note that you cannot catch both ExceptionA and ExceptionB in the same block if ExceptionB is inherited, either directly or indirectly, from ExceptionA. The compiler will complain:
Alternatives in a multi-catch statement cannot be related by subclassing
Alternative ...
Python's json module, converts int dictionary keys to strings
...strings; Python supports distinct keys differing only in type.
In Python (and apparently in Lua) the keys to a mapping (dictionary or table, respectively) are object references. In Python they must be immutable types, or they must be objects which implement a __hash__ method. (The Lua docs sugges...
Is it possible dynamically to add String to String.xml in Android?
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Formatting and Styling
Yes, see the following from String Resources: Formatting and Styling
If you need to format your strings using String.format(String, Object...), then you can do so by putting your format arguments in the strin...
Changing route doesn't scroll to top in the new page
.../app/#/phones
you can see the list of phones. If you scroll to the bottom and click on one of the latest, you can see that the scroll isn't at top, instead is kind of in the middle.
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Evil Mode best practice? [closed]
I've been using Vim as my primary editor for years and tried Emacs several times during that time. Then I discovered Evil and decided that it meets my demand for speedy movement well enough that I can finally move on to Emacs.
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Best way to reverse a string
...had to write a string reverse function in C# 2.0 (i.e. LINQ not available) and came up with this:
48 Answers
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VIM Replace word with contents of paste buffer?
I need to do a bunch of word replacements in a file and want to do it with a vi command, not an EX command such as :%s///g . I know that this is the typical way one replaces the word at the current cursor position: cw<text><esc> but is there a way to do this with the contents of the u...
How can I combine two HashMap objects containing the same types?
... edited Aug 2 '16 at 20:51
Andrew Tobilko
42.5k1111 gold badges6666 silver badges119119 bronze badges
answered Nov 28 '10 at 23:26
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How to change or add theme to Android Studio?
I have just installed Android Studio in my Window 7 64bit.
When I launch the application the background of the screen where we write the code is white.
I would prefer black or any other color.
I am not sure whether we can change the color/theme OR add more themes.
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