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In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
...he question. Indeed, only the LongNamedRestaurant model was created in database, Place was not.
A solution is to create an abstract model representing a "Place", eg. AbstractPlace, and inherit from it:
class AbstractPlace(models.Model):
name = models.CharField(max_length=20)
rating = model...
How can I recursively find all files in current and subfolders based on wildcard matching?
How can I recursively find all files in current and subfolders based on wildcard matching?
16 Answers
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Initialize class fields in constructor or at declaration?
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Actually it does matter. If the base class constructor calls a virtual method (which is generally a bad idea, but can happen) which is overridden in the derived class, then using instance variable initializers the variable will be initialized when the metho...
Split string based on regex
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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Converting an int to std::string
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Overkill? Based on what? boost.org/doc/libs/1_53_0/doc/html/boost_lexical_cast/…
– Catskul
Jun 3 '13 at 22:34
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Rails - How to use a Helper Inside a Controller
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You can use
helpers.<helper> in Rails 5+ (or ActionController::Base.helpers.<helper>)
view_context.<helper> (Rails 4 & 3) (WARNING: this instantiates a new view instance per call)
@template.<helper> (Rails 2)
include helper in a singleton class and then singleton.h...
Why does Twitter Bootstrap Use Pixels for Font Size?
...but in real life? Does anyone have REAL examples of users stucked on pixel based websites? With real stats and real problems that pixels causes? This is the real question in this debate I think. The lack of proof is why most of people use PX.
– adriendenat
Aug ...
JavaScript equivalent to printf/String.Format
...available. underscore.string has more features aside from sprintf which is based on sprintf() for JavaScript implementation. Other than that the library is an entirely different project.
– Maksymilian Majer
Apr 15 '14 at 7:41
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What's the difference between QMainWindow, QWidget and QDialog?
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A QWidget is the base class for all drawable classes in Qt. Any QWidget-based class can be shown as a window by showing it when it has no parent.
A QDialog is based on QWidget, but designed to be shown as a window. It will always appear in...
How to activate an Anaconda environment
...his only adds the conda command to the path, but does not yet activate the base environment (which was previously called root). To do also that, add another line
conda activate base
after the first command. See all the details in Anaconda's blog post from December 2017. (I think that this page is...