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How to calculate moving average using NumPy?
...lso yield:
list(mov_avg(x, 2))
# [4.0, 5.5, 9.0, 6.0, 1.5, 3.0, 3.0, 0.5, 1.0]
So what is being done at each step is to take the inner product between the array of ones and the current window. In this case the multiplication by np.ones(w) is superfluous given that we are directly taking the sum ...
How can I record a Video in my Android App.?
... mCamera.release();
}
}
camera_surface.xml
<?xml version="1.0" encoding="UTF-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<Surfac...
Expand a random range from 1–5 to 1–7
...i) for i in range(7)]
expmean = N / 7.0
expstddev = math.sqrt(N * (1.0/7.0) * (6.0/7.0))
print '%d TRIALS' % N
print 'Expected mean: %.1f' % expmean
print 'Expected standard deviation: %.1f' % expstddev
print
print 'DISTRIBUTION:'
for i in range(7):
print '%d...
How well is Unicode supported in C++11?
....
Then, there's a lot of UCS-2 support. UCS-2 is an encoding from Unicode 1.0 that was superseded in 1996 because it only supports the basic multilingual plane. Why the committee thought desirable to focus on an encoding that was superseded over 20 years ago, I don't know&ddagger;. It's not lik...
Why are C# 3.0 object initializer constructor parentheses optional?
...e two cases you probably meant.
Similarly, casts are ambiguous even in C# 1.0:
G((T)-x)
Is that "cast -x to T" or "subtract x from T"? Again, we have a heuristic that makes a good guess.
share
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Why do we need RESTful Web Services?
...
According to this w3.org/Protocols/HTTP/1.0/spec.html HTTP has been in use since 1990. So what? We all know the only reason SOAP uses http was because port 80 was most likely to be open on the firewall. Microsoft was not going to make the DCOM mistake again.
...
How to develop a soft keyboard for Android? [closed]
... should define an .xml file and make keyboard UI in it:
<?xml version="1.0" encoding="utf-8"?>
<Keyboard xmlns:android="http://schemas.android.com/apk/res/android"
android:keyWidth="12.50%p"
android:keyHeight="7%p">
<!--
android:horizontalGap="0.50%p"
android:verticalGap="0.50%p"
NOT...
How do I migrate a model out of one django app and into a new one?
...
In my case (Django 1.5.7 and South 1.0) .. I had to type python manage.py schemamigration specific create_cat --auto --freeze common to access to cat model from common app.
– geoom
Apr 21 '15 at 22:15
...
HTML5 Canvas Resize (Downscale) Image High Quality?
...ontext, width, height, mixFactor);
The mixFactor is a value between [0.0, 1.0] and allow you do downplay the sharpen effect - rule-of-thumb: the less size the less of the effect is needed.
Function (based on this snippet):
function sharpen(ctx, w, h, mix) {
var weights = [0, -1, 0, -1, 5, -1...
Swift Beta performance: sorting arrays
...
tl;dr Swift 1.0 is now as fast as C by this benchmark using the default release optimisation level [-O].
Here is an in-place quicksort in Swift Beta:
func quicksort_swift(inout a:CInt[], start:Int, end:Int) {
if (end - start <...