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python assert with and without parenthesis
... if you did assert (1==2,). The same thing would happen if you did print ('foo', 'bar') instead of print 'foo', 'bar'; you'd see the tuple outputted
– Michael Mrozek
Jun 24 '10 at 17:05
...
Why is Python 3.x's super() magic?
...ne to the same rebinding issues you discovered with super() itself:
class Foo(Bar):
def baz(self):
return super(Foo, self).baz() + 42
Spam = Foo
Foo = something_else()
Spam().baz() # liable to blow up
The same applies to using class decorators where the decorator returns a new obje...
How to create a generic array in Java?
...ld be the erasure of the type parameter:
public class GenSet<E extends Foo> { // E has an upper bound of Foo
private Foo[] a; // E erases to Foo, so use Foo[]
public GenSet(int s) {
a = new Foo[s];
}
...
}
All of this results from a known, and deliberate, weaknes...
asp.net mvc: why is Html.CheckBox generating an additional hidden input
I just noticed that Html.CheckBox("foo") generates 2 inputs instead of one, anybody knows why is this so ?
10 Answers
...
PHP global in functions
...ld not have to rely on anything outside, e.g.
function fn()
{
global $foo; // never ever use that
$a = SOME_CONSTANT // do not use that
$b = Foo::SOME_CONSTANT; // do not use that unless self::
$c = $GLOBALS['foo']; // incl. any other superglobal ($_GET, …...
What is the default value for enum variable?
...e expression (E)0.
As an example, take the following enum:
enum E
{
Foo, Bar, Baz, Quux
}
Without overriding the default values, printing default(E) returns Foo since it's the first-occurring element.
However, it is not always the case that 0 of an enum is represented by the first member. ...
Is there a typical state machine implementation pattern?
...ven approach for most state machines:
typedef enum { STATE_INITIAL, STATE_FOO, STATE_BAR, NUM_STATES } state_t;
typedef struct instance_data instance_data_t;
typedef state_t state_func_t( instance_data_t *data );
state_t do_state_initial( instance_data_t *data );
state_t do_state_foo( instance_dat...
What is the Swift equivalent of -[NSObject description]?
...scription.
For example:
class MyClass: CustomStringConvertible {
let foo = 42
var description: String {
return "<\(type(of: self)): foo = \(foo)>"
}
}
print(MyClass()) // prints: <MyClass: foo = 42>
Note: type(of: self) gets the type of the current instances ins...
Maven2: Best practice for Enterprise Project (EAR file)
...ted the following well-documented example application:
[pgarner@localhost Foo]$ tree
.
|-- Foo-ear
| `-- pom.xml
|-- Foo-ejb
| |-- pom.xml
| `-- src
| |-- main
| | |-- java
| | | `-- com
| | | `-- foo
| | | |-- controller
| | | ...
What is C# analog of C++ std::pair?
...pairTest()
{
string s = "abc";
Pair<int, string> foo = new Pair<int, string>(10, s);
Pair<int, string> bar = new Pair<int, string>(10, s);
Pair<int, string> qux = new Pair<int, string>(20, s);
Pair<int, int> aaa = ...