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Understanding colors on Android (six characters)
I am trying to understand how colors work in Android. I have this color set as the background of my LinearLayout , and I get a background gray with some transparency:
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How to merge two sorted arrays into a sorted array? [closed]
This was asked of me in an interview and this is the solution I provided:
31 Answers
3...
Simulating tremor (from e.g. Parkinson's Disease) with the mouse on a webpage?
...code on, using the Pointer Lock API.
I forked this pointer-lock-demo repo and modified it to add a random movement element.
Here is the link to my GitHub page: https://aristocrates.github.io/pointer-lock-demo
And here is the link to my repo: https://github.com/aristocrates/pointer-lock-demo
The j...
Plotting time in Python with Matplotlib
I have an array of timestamps in the format (HH:MM:SS.mmmmmm) and another array of floating point numbers, each corresponding to a value in the timestamp array.
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Intercept page exit event
... page within my system, a user might decide to navigate to another website and in doing so could lose all the edits they have not saved.
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Create Pandas DataFrame from a string
... to do this is to use StringIO.StringIO (python2) or io.StringIO (python3) and pass that to the pandas.read_csv function. E.g:
import sys
if sys.version_info[0] < 3:
from StringIO import StringIO
else:
from io import StringIO
import pandas as pd
TESTDATA = StringIO("""col1;col2;col3
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Why doesn't String switch statement support a null case?
...wondering why the Java 7 switch statement does not support a null case and instead throws NullPointerException ? See the commented line below (example taken from the Java Tutorials article on switch ):
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How to inject dependencies into a self-instantiated object in Spring?
...n() method of AutowireCapableBeanFactory. You pass it an arbitrary object, and Spring will treat it like something it created itself, and will apply the various autowiring bits and pieces.
To get hold of the AutowireCapableBeanFactory, just autowire that:
private @Autowired AutowireCapableBeanFact...
Read stream twice
...s.io.IOUtils.copy to copy the contents of the InputStream to a byte array, and then repeatedly read from the byte array using a ByteArrayInputStream. E.g.:
ByteArrayOutputStream baos = new ByteArrayOutputStream();
org.apache.commons.io.IOUtils.copy(in, baos);
byte[] bytes = baos.toByteArray();
// ...
Automatic creation date for Django model form objects?
What's the best way to set a creation date for an object automatically, and also a field that will record when the object was last updated?
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