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Querying DynamoDB by date
...ps on the range key only. The hash key is required such that the service knows which partition to look in to find the data.
You can of course perform a scan operation to filter by the date value, however this would require a full table scan, so it is not ideal.
If you need to perform an indexed l...
What methods of ‘clearfix’ can I use?
...z' of CSS Mojo has pointed out that when targeting modern browsers, we can now drop the zoom and ::before property/values and simply use:
.container::after {
content: "";
display: table;
clear: both;
}
This solution does not support for IE 6/7 …on purpose!
Thierry also offers: "A w...
Difference between left join and right join in SQL Server [duplicate]
...ft join Table1 (or its identical pair, Table1 right join Table2) to see a difference. This query should give you more rows, since Table2 contains a row with an id which is not present in Table1.
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Getting the class name of an instance?
...I find out a name of class that created an instance of an object in Python if the function I am doing this from is the base class of which the class of the instance has been derived?
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Optional Parameters with C++ Macros
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This is pretty cool, but I dont think it would work if I just did PRINT_STRING. In that case there wouldnt be a default print out (and that's actually the case I want to utilize). Still +1 for really cool.
– Cenoc
Jun 15 '10 at 19:53
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How does Python's super() work with multiple inheritance?
...y are listed left to right. In this case, we are looking for __init__. So, if you define
class Third(First, Second):
...
Python will start by looking at First, and, if First doesn't have the attribute, then it will look at Second.
This situation becomes more complex when inheritance starts c...
How can I get Express to output nicely formatted HTML?
...idn't mention what version of Express it was for.
– SnowInferno
Oct 8 '14 at 22:33
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Build a Basic Python Iterator
...next__(self): # Python 2: def next(self)
self.current += 1
if self.current < self.high:
return self.current
raise StopIteration
for c in Counter(3, 9):
print(c)
This will print:
3
4
5
6
7
8
This is easier to write using a generator, as covered in a p...
Async image loading from url inside a UITableView cell - image changes to wrong image while scrollin
... SDWebImage is very laggy since iOS 8, it was one of my fav frameworks but now I'm starting using PinRemoteImage which works reaallly good.
– Joan Cardona
Dec 14 '15 at 11:23
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How can I detect the touch event of an UIImageView?
I have placed an image (UIImageView) on the navigation bar. Now I want to detect the touch event and want to handle the event. How can I do that?
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