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Save classifier to disk in scikit-learn
...ng locked into an old version of sklearn).
From the documentation:
In order to rebuild a similar model with future versions of
scikit-learn, additional metadata should be saved along the pickled
model:
The training data, e.g. a reference to a immutable snapshot
The python source...
How to show loading spinner in jQuery?
...img src="images/spinner.gif" alt="Wait" />');
$('#message').load('index.php?pg=ajaxFlashcard', null, function() {
$("#myDiv").html('');
});
This will make sure your animation starts at the same frame on subsequent requests (if that matters). Note that old versions of IE might have difficultie...
Understanding __get__ and __set__ and Python descriptors
..._attrs(property)
set(['__set__', '__get__', '__delete__'])
Dotted Lookup Order
These are important distinctions, as they affect the lookup order for a dotted lookup.
obj_instance.attribute
First the above looks to see if the attribute is a Data-Descriptor on the class of the instance,
If no...
How do I install an R package from source?
...step).
Plus: you can use this trick with devtools library's dev_mode, in order to manage different versions of packages:
Reference: doc devtools
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back button callback in navigationController in iOS
...IBarButtonItem alloc] initWithTitle:@”back”
style:UIBarButtonItemStyleBordered
target:self
action:@selector(handleBack:)];
self.navigationItem.leftBarButtonItem = backButton;
[backButton release];
}
- (void) handleBack:(id)sender
{
// pop to root view controller
[self.navigationController popT...
How to use the TextWatcher class in Android?
...er interface has 3 callbacks methods which are all called in the following order when a change occurred to the text:
beforeTextChanged(CharSequence s, int start, int count, int after)
Called before the changes have been applied to the text.
The s parameter is the text before any change is applied....
Why is `std::move` named `std::move`?
...by the rest of the program (nobody else has
a reference to the rvalue in order to detect a difference).
If at the time swap was instead presented like this:
template <class T>
void
swap(T& a, T& b)
{
T tmp(cast_to_rvalue(a));
a = cast_to_rvalue(b);
b = cast_to_rvalue(t...
What characters are allowed in an email address?
...822 addresses was a mere 3.7k.
See also: RFC 822 Email Address Parser in PHP.
The formal definitions of e-mail addresses are in:
RFC 5322 (sections 3.2.3 and 3.4.1, obsoletes RFC 2822), RFC 5321, RFC 3696,
RFC 6531 (permitted characters).
Related:
The true power of regular expressions
...
Why can't I use the 'await' operator within the body of a lock statement?
...d resumes. That arbitrary code could be taking out locks that produce lock ordering inversions, and therefore deadlocks.
Worse, the code could resume on another thread (in advanced scenarios; normally you pick up again on the thread that did the await, but not necessarily) in which case the unlock ...
How can I see normal print output created during pytest run?
...the running of that command with a custom setuptools test command that (in order):
Monkey-patches the private _pytest API.
Calls the public pytest.main() function to run the py.test command.
This answer monkey-patches py.test's -s and --capture=no options to capture stderr but not stdout. By de...