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How does virtual inheritance solve the “diamond” (multiple inheritance) ambiguity?
...idn't give me comprehensive understanding of process, I ended up with even more questions like
what if B and C tries to create different instances of A e.g. calling parametrized constructor with different parameters (D::D(int x, int y): C(x), B(y) {})? Which instance of A will be chosen to become ...
Computational complexity of Fibonacci Sequence
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jQuery posting valid json in request body
...: '{"command":"on"}',
Where you're sending an actual JSON string. For a more general solution, use JSON.stringify() to serialize an object to JSON, like this:
data: JSON.stringify({ "command": "on" }),
To support older browsers that don't have the JSON object, use json2.js which will add it in...
How to use permission_required decorators on django class-based views
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django-braces has this (and more) mixins - a very useful package to install
– askvictor
Nov 6 '14 at 0:04
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Escaping a forward slash in a regular expression
...(using an alternate delimiter that could become m{/[^/]+$}, which may read more clearly). Escaping the slash with a backslash is common enough to have earned a name and a wikipedia page: Leaning Toothpick Syndrome. In regular expressions where there's just a single instance, escaping a slash might...
Jquery select all elements that have $jquery.data()
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The best and simple way to select them is:
$('[data-myAttr]')
More Information:
I tested a lot of things.
Using $('[data-myAttr!=""]') doesn't work for all cases. Because elements that do not have a data-myAttr set, will have their data-myAttr equal to undefined and $('[data-myAttr!="...
python pip: force install ignoring dependencies
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pip has a --no-dependencies switch. You should use that.
For more information, run pip install -h, where you'll see this line:
--no-deps, --no-dependencies
Ignore package dependencies
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