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Running shell command and capturing the output
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The answer to this question depends on the version of Python you're using. The simplest approach is to use the subprocess.check_output function:
>>> subprocess.check_output(['ls', '-l'])
b'total 0\n-rw-r--r-- 1 memyself staff 0 Mar 14 11:04 files\n'
check_output r...
Python memory usage of numpy arrays
I'm using python to analyse some large files and I'm running into memory issues, so I've been using sys.getsizeof() to try and keep track of the usage, but it's behaviour with numpy arrays is bizarre. Here's an example involving a map of albedos that I'm having to open:
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Reading binary file and looping over each byte
In Python, how do I read in a binary file and loop over each byte of that file?
12 Answers
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no gravity for scrollview. how to make content inside scrollview as center
...height="wrap_content"
This is how the final code should look like:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<ScrollView
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How to convert a string of bytes into an int?
How can I convert a string of bytes into an int in python?
12 Answers
12
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Pointers in Python?
I know Python doesn't have pointers, but is there a way to have this yield 2 instead
9 Answers
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How do I override __getattr__ in Python without breaking the default behavior?
...behaviour
return object.__getattribute__(self, name)
See the Python docs for more.
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Live character count for EditText
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You can do character counting from xml itself using TextInputLayout wrapper for EditText introduced in SupportLibrary v23.1
Just wrap your EditText with a TextInputLayout and set CounterEnabled to true and Set a counterMaxLength.
<android.support.design.w...
How to send an email with Gmail as provider using Python?
I am trying to send email (Gmail) using python, but I am getting following error.
14 Answers
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Correct way to write line to file?
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You should use the print() function which is available since Python 2.6+
from __future__ import print_function # Only needed for Python 2
print("hi there", file=f)
For Python 3 you don't need the import, since the print() function is the default.
The alternative would be to use:
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