Start or stop service in windows 8

Its very easy to start or stop service in windows 8.

1. go to “run”
2. Type “services.msc”
3. Right click on MySql  (or any other servics) and click start

import error VarianceThreshold python

I am facing problem in importing libraries used for feature selection.  I used following steps.

1.Remove sklearn  (version 0.14.1 32 bit) from control panel.

2. Install sklearn version 0.17b1

3 deleted file:

python27\Lib\site-packages\sklearn\utils\sparsefuncs.pyd

( you will get error "  ImportError: cannot import name inplace_column_scale"  if you will not delete this file).
4. solved!