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What is the meaning of single and double underscore before an object name?
...owever, nothing special is done with the name itself.
To quote PEP-8:
_single_leading_underscore: weak "internal use" indicator. E.g. from M import * does not import objects whose name starts with an underscore.
Double Underscore (Name Mangling)
From the Python docs:
Any identifier of th...
C++ mark as deprecated
...his all I got was a Microsoft specific solution; #pragma deprecated and __declspec(deprecated) .
7 Answers
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Is there a __CLASS__ macro in C++?
Is there a __CLASS__ macro in C++ which gives the class name similar to __FUNCTION__ macro which gives the function name
...
What __init__ and self do on Python?
...
In this code:
class A(object):
def __init__(self):
self.x = 'Hello'
def method_a(self, foo):
print self.x + ' ' + foo
... the self variable represents the instance of the object itself. Most object-oriented languages pass this as a hidd...
How to include js file in another js file? [duplicate]
....writeln loads scripts parallel and execute (evaluate) in the same correct order. The page is XHTML and so the first the statements from stackoverflow.com/questions/802854/… are also wrong. So didn't found and reason (which I could verified) why it is bad to use document.writeln inside of <scr...
How should I store GUID in MySQL tables?
...erred flavour
To follow the code better, take the example given the digit-ordered GUID below. (Illegal characters are used for illustrative purposes - each place a unique character.) The functions will transform the byte ordering to achieve a bit order for superior index clustering. The reordered g...
Predicate in Java
...es.filter
Returns the elements that satisfy a predicate.
On higher-order function
Predicate allows Iterables.filter to serve as what is called a higher-order function. On its own, this offers many advantages. Take the List<Integer> numbers example above. Suppose we want to test if all...
Standard alternative to GCC's ##__VA_ARGS__ trick?
...
It is possible to avoid the use of GCC's ,##__VA_ARGS__ extension if you are willing to accept some hardcoded upper limit on the number of arguments you can pass to your variadic macro, as described in Richard Hansen's answer to this question. If you do not want to hav...
How to fetch the row count for all tables in a SQL SERVER database [duplicate]
...) SELECT ''?'', COUNT(*) FROM ?'
SELECT table_name, row_count FROM #counts ORDER BY table_name, row_count DESC
DROP TABLE #counts
The output will be a list of tables and their row counts.
If you just want the total row count across the whole database, appending:
SELECT SUM(row_count) AS total_ro...
Calling class staticmethod within the class body?
...
staticmethod objects apparently have a __func__ attribute storing the original raw function (makes sense that they had to). So this will work:
class Klass(object):
@staticmethod # use as decorator
def stat_func():
return 42
_ANS = stat_func...