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How to override the [] operator in Python?
...rwise this will happen:
>>> myobj[5] = 1
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: MyClass instance has no attribute '__setitem__'
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C++ multiline string literal
...
const char *text2 =
"Here, on the other hand, I've gone crazy \
and really let the literal span several lines, \
without bothering with quoting each line's \
content. This works, but you can't indent.";
Again, note those backslashes at the end of each line, they must be immediately before the...
How can I pad a String in Java?
... to pad
String value = "123";
Substring start from the value length char index until end length of padded:
String padded="00000000".substring(value.length()) + value;
// now padded is "00000123"
More precise
pad right:
String padded = value + ("ABCDEFGH".substring(value.length()));
// now...
Why is parenthesis in print voluntary in Python 2.7?
...
In Python 2.x print is actually a special statement and not a function*.
This is also why it can't be used like: lambda x: print x
Note that (expr) does not create a Tuple (it results in expr), but , does. This likely results in the confusion between...
super() fails with error: TypeError “argument 1 must be type, not classobj” when parent does not inh
...ss. Change it like so:
class B(object):
and it will work.
super() and all subclass/superclass stuff only works with new-style classes. I recommend you get in the habit of always typing that (object) on any class definition to make sure it is a new-style class.
Old-style classes (also known as...
Why use iterators instead of array indices?
... I guess it doesn't pay to be a little tongue-in-cheek.
I think the array index is more readable. It matches the syntax used in other languages, and the syntax used for old-fashioned C arrays. It's also less verbose. Efficiency should be a wash if your compiler is any good, and there are hardly a...
How should I call 3 functions in order to execute them one after the other?
If I need call this functions one after other,
11 Answers
11
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How do you see the entire command history in interactive Python?
...:
print readline.get_history_item(i + 1)
Note: get_history_item() is indexed from 1 to n.
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Only initializers, entity members, and entity navigation properties are supported
...no Paid filter and then filter out the not Paid ones.
public ActionResult Index()
{
var debts = storeDB.Orders
//.Where(o => o.Paid == false)
.OrderByDescending(o => o.DateCreated);
debts = debts.Where(o => o.Paid == false);
return View(debts);
}
That, of co...
How to measure time in milliseconds using ANSI C?
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Doesn't this measure cpu time and not wall time?
– krs013
Feb 1 '15 at 4:53
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