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How to return dictionary keys as a list in Python?
In Python 2.7 , I could get dictionary keys , values , or items as a list:
8 Answers
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Android layout replacing a view with another view on run time
I have a xml -layout file main with two textviews A/B and a view C.
I have two other xml -layout files option1 and option2 .
Is it possible to load either option1 or option2 in run time via Java into C? If so, what function do I have to use?
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How can one close HTML tags in Vim quickly?
...Check this out..
closetag.vim
Functions and mappings to close open HTML/XML tags
https://www.vim.org/scripts/script.php?script_id=13
I use something similar.
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How can I find where Python is installed on Windows?
I want to find out my Python installation path on Windows. For example:
19 Answers
19
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Using python's eval() vs. ast.literal_eval()?
... of eval.
ast.literal_eval raises an exception if the input isn't a valid Python datatype, so the code won't be executed if it's not.
Use ast.literal_eval whenever you need eval. You shouldn't usually evaluate literal Python statements.
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How to make unicode string with python3
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Literal strings are unicode by default in Python3.
Assuming that text is a bytes object, just use text.decode('utf-8')
unicode of Python2 is equivalent to str in Python3, so you can also write:
str(text, 'utf-8')
if you prefer.
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Call int() function on every list element?
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In Python 2.x another approach is to use map:
numbers = map(int, numbers)
Note: in Python 3.x map returns a map object which you can convert to a list if you want:
numbers = list(map(int, numbers))
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How to make my layout able to scroll down?
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Just wrap all that inside a ScrollView:
<?xml version="1.0" encoding="utf-8"?>
<ScrollView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<!-- Here you put the r...
Getting the caller function name inside another function in Python? [duplicate]
...the info you want. Its stack method returns a list of frame records.
For Python 2 each frame record is a list. The third element in each record is the caller name. What you want is this:
>>> import inspect
>>> def f():
... print inspect.stack()[1][3]
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>>> def g()...
How do I find out my python path using python?
How do I find out which directories are listed in my system’s PYTHONPATH variable, from within a Python script (or the interactive shell)?
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