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Abstract methods in Python [duplicate]
...what a metaclass is, don't worry about it. :-)
– kindall
Dec 8 '10 at 0:15
1
The linked tutorial ...
How do you create a static class in C++?
...int buffer, int bitIndex);
// ...lots of great stuff
private:
// Disallow creating an instance of this object
BitParser() {}
};
BitParser.cpp
bool BitParser::getBitAt(int buffer, int bitIndex)
{
bool isBitSet = false;
// .. determine if bit is set
return isBitSet;
}
You can use t...
Class with Object as a parameter
... Table to be a new-style class (as opposed to "classic" class).
In Python3 all classes are new-style classes, so this is no longer necessary.
New style classes have a few special attributes that classic classes lack.
class Classic: pass
class NewStyle(object): pass
print(dir(Classic))
# ['__doc__...
Which characters need to be escaped when using Bash?
...h but also bash.
1. Put the whole string in single quotes
This works for all chars except single quote itself. To escape the single quote, close the quoting before it, insert the single quote, and re-open the quoting.
'I'\''m a s@fe $tring which ends in newline
'
sed command: sed -e "s/'/'\\\\'...
How to write header row with csv.DictWriter?
...ion "functionality", I'd prefer to code it myself; that way you can report ALL "extras" with the keys and values, not just the first extra key. What is a real nuisance with DictWriter is that if you've verified the keys yourself as each dict was being built, you need to remember to use extrasaction=...
Getting the name of a child class in the parent class (static context)
... var_dump(get_class($this));
var_dump(get_class());
}
}
class foo extends bar {
}
new foo;
?>
The above example will output:
string(3) "foo"
string(3) "bar"
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Why can't I define a static method in a Java interface?
EDIT: As of Java 8, static methods are now allowed in interfaces.
24 Answers
24
...
Find and restore a deleted file in a Git repository
... of '~1': git checkout <deleting-commit>~1 -- <file-path> ~X allows you to specify X commits before the specified commit, so ~1 is the commit before, ~2 is two commits before, etc
– Nils Luxton
Sep 10 '12 at 15:07
...
ImportError: Cannot import name X
...r different files named: main, vector, entity and physics. I will not post all the code, just the imports, because I think that's where the error is. (If you want, I can post more)
...
python: Change the scripts working directory to the script's own directory
... __file__ fails in "frozen" programs (created using py2exe, PyInstaller, cx_Freeze). sys.argv[0] works. @ChrisDown: If you want to follow symlinks; os.path.realpath() could be used.
– jfs
Apr 5 '14 at 20:12
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