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When should I use C++ private inheritance?
...ples off the top of my head:
When I want to expose some but not all of a base class's interface. Public inheritance would be a lie, as Liskov substitutability is broken, whereas composition would mean writing a bunch of forwarding functions.
When I want to derive from a concrete class without a v...
Force R to stop plotting abbreviated axis labels - e.g. 1e+00 in ggplot2
... 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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Input size vs width
...n tell, no CSS attribute does this. Setting a width in em, for example, is based off the height, not the width, and thus is not very precise if you want to display a known number of characters.
Of course, this logic doesn't always apply - a name entry field, for example, could contain any number of...
Why does string::compare return an int?
...once. But sure, someone dealing with a string containing a MPEG encoded as Base64 or some such may well run into that problem...
– Mats Petersson
Mar 11 '13 at 21:36
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What does -D_XOPEN_SOURCE do/mean?
... changes depending on what options and #defines you have, for example with basename(3).
See also:
Linux: gcc with -std=c99 complains about not knowing struct timespec
glibc feature test macros
The Compilation Environment - Open Group Base Specification issue 6 (a.k.a. X/Open 6)
POSIX - Wikipedia
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How to spread django unit tests over multiple files?
...and run that suite.
From Django 1.6 documentation,
Test discovery is based on the unittest module’s built-in test
discovery. By default, this will discover tests in any file named
“test*.py” under the current working directory.
Previous behavior, from Django 1.5 documentation:
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How do I add a placeholder on a CharField in Django?
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Similar spirit: for f in MyCommentForm.base_fields.values(): f.widget.attrs["placeholder"] = f.label, but I like your constructor method better.
– jozxyqk
Sep 2 '14 at 15:49
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How to load all modules in a folder?
... put them as __all__ variable in __init__.py
from os.path import dirname, basename, isfile, join
import glob
modules = glob.glob(join(dirname(__file__), "*.py"))
__all__ = [ basename(f)[:-3] for f in modules if isfile(f) and not f.endswith('__init__.py')]
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Executing a command stored in a variable from PowerShell
... 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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I don't understand -Wl,-rpath -Wl,
... 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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