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HTML5 textarea placeholder not appearing
...ith some blank spaces and tabs. When you focus on the text area and delete from where the cursor puts itself, then leave the text area, the proper placeholder then appears.
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Print multiple arguments in Python
...print isn't a function in Python 2. You can, however, import this behavior from __future__:
from __future__ import print_function
Use the new f-string formatting in Python 3.6:
print(f'Total score for {name} is {score}')
...
How to sort a list/tuple of lists/tuples by the element at a given index?
...is faster and simpler: key=itemgetter(1) and at the beginning of the file: from operator import itemgetter
– Joschua
Mar 13 '13 at 20:08
3
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Installing SetupTools on 64-bit Windows
...Node\Python\PythonCore\2.6\InstallPath and copy over the InstallPath value from HKEY_LOCAL_MACHINE\SOFTWARE\Python\PythonCore\2.6\InstallPath. See the answer below for more details.
If you do this, beware that setuptools may only install 32-bit libraries.
NOTE: the responses below offer more detai...
asp.net mvc put controllers into a separate project
...e convenient to define all my Controllers in each project, but derive them from Controllers in my Shared project:
namespace MyProject1.Controllers
{
public class MyController : MySharedProject.Controllers.MyController
{
// nothing much to do here...
}
}
namespace MySharedProject.Con...
Android disable screen timeout while app is running
...aseActivity and write this code in onCreate Method and extend all activity from baseActivity.
– maryam
Apr 16 '19 at 16:30
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When should I choose Vector in Scala?
...ecomposition in head/tail is about 10 times faster on lists and generation from a traversable is about 2 times faster for vectors. (This is probably, because Vector can allocate arrays of 32 elements at once when you build it up using a builder instead of prepending or appending elements one by one)...
Regular Expression for alphanumeric and underscores
...valent in most regex flavors. \w includes letters with diacritics, letters from other scripts, etc.
– Jan Goyvaerts
Dec 3 '08 at 7:45
4
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How to get the caller's method name in the called method?
...lf' in parentframe.f_locals:
# I don't know any way to detect call from the object method
# XXX: there seems to be no way to detect static method call - it will
# be just a function call
name.append(parentframe.f_locals['self'].__class__.__name__)
codename = ...
pandas DataFrame: replace nan values with average of columns
... CAUTION: if you want to use this for Machine Learning / Data Science: from a Data Science perspective it is wrong to first replace NA and then split into train and test... You MUST first split into train and test, then replace NA by mean on train and then apply this stateful preprocessing model...