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How to return a value from __init__ in Python?
...... return 42
...
>>> foo = Foo()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: __init__() should return None
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How to add extension methods to Enums
...ame ambiguity of Enum<T> is a bit confusing. The class could also be called EnumUtils<T> and the method call would resolve to EnumUtils<Duration>.Count.
– Namoshek
Feb 27 '19 at 8:02
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Is short-circuiting logical operators mandated? And evaluation order?
... ||, then both operands must be evaluated as it becomes a regular function call.
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How to give border to any element using css without adding border-width to the whole width of elemen
How to give border to any element using css without adding border-width to the whole width of element?
11 Answers
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How to change my Git username in terminal?
...in my credentials and it's saying fatal:Authentication failed remote: invalid username and password. I checked on github.com and signed with my account so I know those credentials are correct... Any thoughts?
– user3370902
Apr 3 '14 at 17:43
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Best practices/performance: mixing StringBuilder.append with String.concat
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Although newer versions of the compiler automatically optimize the + operator to a string builder it isn't necessarily a good thing to assume it will as older versions don't. There is a very important topic that is being ignored in this whole discussion which is actually ...
Is std::unique_ptr required to know the full definition of T?
...or.
Undefined behavior can occur when you have an incomplete type and you call delete on it:
class A;
A* a = ...;
delete a;
The above is legal code. It will compile. Your compiler may or may not emit a warning for above code like the above. When it executes, bad things will probably happen. If y...
How to get method parameter names?
...gspec(foo)
(['a', 'b', 'c'], 'arglist', 'keywords', (4,))
Note that some callables may not be introspectable in certain implementations of Python. For Example, in CPython, some built-in functions defined in C provide no metadata about their arguments. As a result, you will get a ValueError if you ...
Iterating through a list in reverse order in java
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Calling listIterator() without an index argument will give an Iterator at the beginning of the list and so hasPrevious() will return false on the first call.
– Adamski
Jan 20 '10 at 15:3...
Uncaught ReferenceError: $ is not defined?
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You are calling the ready function before the jQuery JavaScript is included. Reference jQuery first.
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