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How can I obtain the element-wise logical NOT of a pandas Series?
...s
Out[8]:
0 False
1 False
2 True
3 False
dtype: bool
Using Python2.7, NumPy 1.8.0, Pandas 0.13.1:
In [119]: s = pd.Series([True, True, False, True]*10000)
In [10]: %timeit np.invert(s)
10000 loops, best of 3: 91.8 µs per loop
In [11]: %timeit ~s
10000 loops, best of 3: 73.5 µs ...
Extracting text OpenCV
...
Hi, how do i achieve the same outcome with python cv2?
– dnth
Oct 28 '15 at 9:19
3
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Can I serve multiple clients using just Flask app.run() as standalone?
... yourself is probably not going to get you very far either, because of the Python GIL.
That said, you do still have some good options. Gunicorn is a solid, easy-to-use WSGI server that will let you spawn multiple workers (separate processes, so no GIL worries), and even comes with asynchronous work...
PHP DOMDocument errors/warnings on html5-tags
...r best workable solution is going to be to disable error reporting with libxml_use_internal_errors:
$dom = new DOMDocument;
libxml_use_internal_errors(true);
$dom->loadHTML('...');
libxml_clear_errors();
share
...
How to add dividers and spaces between items in RecyclerView?
...r the second one that uses your own drawable, for example drawable/divider.xml
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<size android:height="1dp" />
<solid android:color="#...
Importing a Maven project into Eclipse from Git
...ur Git checkout in the filesystem, select the directory containing the pom.xml file. Finish the import;
you'll notice these projects aren't connected to Git. :-(
Delete these projects, but DO NOT DELETE FROM FILESYSTEM.
We don't want our clone deleted; this task also leaves the .project file behind ...
When to use ' (or quote) in Lisp?
...is where quote comes in. Say you want to plot resource allocations from a Python application, but rather do the plotting in Lisp. Have your Python app do something like this:
print("'(")
while allocating:
if random.random() > 0.5:
print(f"(allocate {random.randint(0, 20)})")
el...
Find the similarity metric between two strings
...ow do I get the probability of a string being similar to another string in Python?
10 Answers
...
How to use a dot “.” to access members of dictionary?
How do I make Python dictionary members accessible via a dot "."?
24 Answers
24
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SharedPreferences.onSharedPreferenceChangeListener not being called consistently
...ceState) {
super.onCreate(savedInstanceState);
// load the XML preferences file
addPreferencesFromResource(R.xml.preferences);
}
}
Every time the menu button is pressed I create the PreferenceActivity from the main Activity:
@Override
public boolean onPrepareOptionsMen...