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A python class that acts like dict
...
class Mapping(dict):
def __setitem__(self, key, item):
self.__dict__[key] = item
def __getitem__(self, key):
return self.__dict__[key]
def __repr__(self):
return repr(self.__dict__)
def __len__(self):
return ...
How do you sort a dictionary by value?
...rt. For a plain Dictionary the MSDN clearly states "The order in which the items are returned is undefined.". It seems that @rythos42 's latest edit is to blame. :)
– Boris B.
Feb 7 '12 at 20:05
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How to make ng-repeat filter out duplicate results
...dle a nested list. For example, a list of orders that contained a list of items for each order. In your example, you have one customer per order. I would like to see a unique list of items across all orders. Not to belabor the point, but you can also think of it as a customer has many orders ...
LINQ Select Distinct with Anonymous Types
...ic static IEnumerable<T> Distinct<T>(this IEnumerable<T> items,
Func<T, T, bool> equals, Func<T,int> hashCode)
{
return items.Distinct(new DelegateComparer<T>(equals, hashCode));
}
public static IEnumerable<T> Distinct<T&g...
jquery sortable placeholder height problem
For some reason the placeholder for my sortable items is about 10px. All my sortable items have different heights. How can I change the height of each placeholder to match the item being moved?
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Read Excel File in Python
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number_of_rows = sheet.nrows
number_of_columns = sheet.ncols
items = []
rows = []
for row in range(1, number_of_rows):
values = []
for col in range(number_of_columns):
value = (sheet.cell(row,col).value)
try:
value = str...
Fix code indentation in Xcode
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All the best! ????????
– tetrajen
Jul 13 at 12:41
I...
C++11 range based loop: get item by value or reference to const
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If you don't want to change the items as well as want to avoid making copies, then auto const & is the correct choice:
for (auto const &x : vec)
Whoever suggests you to use auto & is wrong. Ignore them.
Here is recap:
Choose auto x when yo...
Favorite way to create an new IEnumerable sequence from a single value?
... would make an extension method:
public static T[] Yield<T>(this T item)
{
T[] single = { item };
return single;
}
Or even better and shorter, just
public static IEnumerable<T> Yield<T>(this T item)
{
yield return item;
}
Perhaps this is exactly what Enumerable....
Best way to select random rows PostgreSQL
I want a random selection of rows in PostgreSQL, I tried this:
12 Answers
12
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