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SQL Server Output Clause into a scalar variable
... its possible to skip that extra step (and intermediary table variable) if all I need is the resulting int.
– Benoittr
Apr 5 '11 at 21:33
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SQL Server equivalent to MySQL enum data type?
...rable (and SQL Server doesn't support the concept of immutable tables), finally if you have lots of enums with only a few values then you'll end-up adding lots of tables to your database. Not to mention extra IO reads due to FK constraint-checking when inserting/deleting data, whereas a CHECK CONSTR...
When does invoking a member function on a null instance result in undefined behavior?
...) and (b) result in undefined behavior. It's always undefined behavior to call a member function through a null pointer. If the function is static, it's technically undefined as well, but there's some dispute.
The first thing to understand is why it's undefined behavior to dereference a null poin...
How to make a class property? [duplicate]
...az.bar == 50
assert foo.bar == 50
The setter didn't work at the time we call Bar.bar, because we are calling
TypeOfBar.bar.__set__, which is not Bar.bar.__set__.
Adding a metaclass definition solves this:
class ClassPropertyMetaClass(type):
def __setattr__(self, key, value):
if key ...
'printf' vs. 'cout' in C++
...letely on operator overloading, so there is no issue with custom formats - all you do is define a subroutine taking std::ostream as the first argument and your type as second. As such, there are no namespace problems - as long you have a class (which isn't limited to one character), you can have wor...
Init method in Spring Controller (annotation version)
...can have your class implement the InitializingBean interface to provide a callback function (afterPropertiesSet()) which the ApplicationContext will invoke when the bean is constructed.
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Shallow copy of a Map in Java
...rstand it, there are a couple of ways (maybe others as well) to create a shallow copy of a Map in Java:
3 Answers
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What does a script-Tag with src AND content mean?
...he content is just an object literal (a value), executing it would not actually do anything except cause a silent error. Google's code looks at the contents of the script tag itself, and adjust its behaviour based on that.
s...
How to construct a set out of list items in python?
... list of filenames in python and I would want to construct a set out of all the filenames.
6 Answers
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How does the compilation/linking process work?
... #include directives with the content of the respective files (which is usually just declarations), doing replacement of macros (#define), and selecting different portions of text depending of #if, #ifdef and #ifndef directives.
The preprocessor works on a stream of preprocessing tokens. Macro subs...