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What’s the difference between “Array()” and “[]” while declaring a JavaScript array?
...// c and d are arrays with 2 strings
// these are different:
e = [3] // e.length == 1, e[0] == 3
f = new Array(3), // f.length == 3, f[0] == undefined
;
Another difference is that when using new Array() you're able to set the size of the array, which affects the stack s...
Static methods in Python?
... only be used if you have to support ancient versions of Python (2.2 and 2.3)
class MyClass(object):
def the_static_method(x):
print(x)
the_static_method = staticmethod(the_static_method)
MyClass.the_static_method(2) # outputs 2
This is entirely identical to the first example (usi...
How do you test that a Python function throws an exception?
...
13 Answers
13
Active
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Importing files from different folder
...
30 Answers
30
Active
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jQuery object equality
...
Liam
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answered Jul 5 '10 at 3:12
nickfnickf
...
Which is more efficient, a for-each loop, or an iterator?
...D 1
INVOKEINTERFACE java/util/List.iterator()Ljava/util/Iterator;
ASTORE 3
GOTO L2
L3
ALOAD 3
INVOKEINTERFACE java/util/Iterator.next()Ljava/lang/Object;
CHECKCAST java/lang/Integer
ASTORE 2
ALOAD 2
INVOKEVIRTUAL java/lang/Integer.toString()Ljava/lang/String;
POP
L2
ALOAD 3
INVOKEINTERF...
Multiple select statements in Single query
... |
edited Jul 6 at 13:51
DanB
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answered Nov 21...
Sending a notification from a service in Android
...tin Zeitler
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answered Jul 30 '09 at 18:43
Josef PflegerJosef Pfleger
71...
