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Save classifier to disk in scikit-learn
...digits.target) # evaluate training error
0.9526989426822482
>>> filename = '/tmp/digits_classifier.joblib.pkl'
>>> _ = joblib.dump(clf, filename, compress=9)
>>> clf2 = joblib.load(filename)
>>> clf2
SGDClassifier(alpha=0.0001, class_weight=None, epsilon=0.1, e...
Runtime vs. Compile time
...nputs and outputs?
Input was the program being compiled, plus any header files, interfaces, libraries, or other voodoo that it needed to import in order to get compiled.
Output is hopefully assembly code or relocatable object code or even an executable program. Or if something goes wrong, output ...
Select the values of one property on all objects of an array in PowerShell
...ng:
ls | select -Property Name
This is still returning DirectoryInfo or FileInfo objects. You can always inspect the type coming through the pipeline by piping to Get-Member (alias gm).
ls | select -Property Name | gm
So, to expand the object to be that of the type of property you're looking a...
np.mean() vs np.average() in Python NumPy?
...s. I have a very large single-precision array that is accessed from an h5 file. If I take the mean along axes 0 and 1, I get wildly incorrect results unless I specify dtype='float64':
>T.shape
(4096, 4096, 720)
>T.dtype
dtype('<f4')
m1 = np.average(T, axis=(0,1)) # garba...
Idiomatic way to convert an InputStream to a String in Scala
...sic benchmark of it and most of the time, it was about 5% faster for large files (test was ~35 MB text file) all the way up to 2,800% faster for small files (test was ~30 KB).
– Colin Dean
Nov 6 '15 at 19:31
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Why do I get access denied to data folder when using adb?
...ng the ndk then flash it onto the device along with an image of the binary files.
– Ben Jaguar Marshall
Nov 2 '12 at 2:00
4
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Powershell equivalent of bash ampersand (&) for forking/running background processes
...
As long as the command is an executable or a file that has an associated executable, use Start-Process (available from v2):
Start-Process -NoNewWindow ping google.com
You can also add this as a function in your profile:
function bg() {Start-Process -NoNewWindow @arg...
Navigation in django
... I refactored the <ul id="nav">....</ul> to a different file, lets say tabs.html. So now base.html contained {%block nav%}{%include "tabs.html"%}{%endblock%} and then highlighting of the active tab stopped working(in about.html above). Am I missing anything ?
...
Maven project version inheritance - do I have to specify the parent version?
...n.
Also @khmarbaise wrote a nice blob post about this feature: Maven: POM Files Without a Version in It?
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URL encoding the space character: + or %20?
... a more complex URL such as:
"https://bob:bobby@www.lunatech.com:8080/file;p=1?q=2#third"
we can extract the following information:
+-------------------+---------------------+
| Part | Data |
+-------------------+---------------------+
| Scheme | ht...