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Should I implement __ne__ in terms of __eq__ in Python?
...e other side, not self == other is (assuming the operand's __eq__ doesn't know how to compare the other operand) implicitly delegating to __eq__ from the other side, then inverting it. For weird types, e.g. the SQLAlchemy ORM's fields, this causes problems.
– ShadowRanger
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How can I detect the encoding/codepage of a text file
...metimes contain garbage, because the files where created in a different/unknown codepage.
20 Answers
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Can constructors be async?
...all Initialize() before returning the constructed object. This way you'll know that everyone who has access to the object has used the Initialize function.
The example shows a class that mimics your desired async constructor
public MyClass
{
public static async Task<MyClass> CreateAsync(...
Convert Datetime column from UTC to local time in select statement
... @MichaelGoldshteyn if you have a timezone offset you still dont know what logical timezone a time is in. Timezones are social things and can be changed by governments at different points. The offset for a timezone can be different at different points in time/history (summer time being a ...
Android webview slow
...ayerType(View.LAYER_TYPE_SOFTWARE, null);
}
CSS3 animations are smoother now. We are using Android 4.0.
More info here: https://code.google.com/p/android/issues/detail?id=17352
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How to query as GROUP BY in django?
...= ['designation']
results = QuerySet(query=query, model=Members)
You can now iterate over the results variable to retrieve your results. Note that group_by is not documented and may be changed in future version of Django.
And... why do you want to use group_by? If you don't use aggregation, you c...
How do I convert a numpy array to (and display) an image?
...nting out my error. I should have created an array of shape (h,w,3). (It's now fixed, above.) The length of the first axis can be thought of as the number of rows in the array, and the length of the second axis, the number of columns. So (h, w) corresponds to an array of "height" h and "width" w. Im...
How do I make CMake output into a 'bin' dir?
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EXECUTABLE_OUTPUT_PATH still works right now, but is the "old" way of achieving this result. Adam Bowen's answer is the recommended approach.
– DLRdave
Jul 7 '11 at 10:58
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UITextField text change event
... only those changes made directly by the built-in iOS keyboard are tracked now. This means that if you change your UITextField object just by invoking something like this: myUITextField.text = @"any_text", you won't be notified about any changes at all.
I don't know if this is a bug or it is intend...
How can I run dos2unix on an entire directory? [closed]
...ndlines does not). There's only one endlines, which capabilities are well known. 2/ liberal on input, not all dos2unix are. 3/ efficient file tree exploration, designed to be fast and practical on tens of thousands of files. 4/ runs out of the box on OSX - which is less important now that Brew packa...