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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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tinyxml XML解析库下载（tinyxml2.h 和 tinyxml2.cpp） - 源码下载 - 清泛...
... misrepresented; you must
not claim that you wrote the original software. If you use this
software in a product, an acknowledgment in the product documentation
would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and
must not be misrepresented...
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):
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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...
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...
Download File Using Javascript/jQuery
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2019 modern browsers update
This is the approach I'd now recommend with a few caveats:
A relatively modern browser is required
If the file is expected to be very large you should likely do something similar to the original approach (iframe and cookie) because some of the belo...
Calculating Distance between two Latitude and Longitude GeoCoordinates
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Thanks for a good solution, I can now use it in my Desktop application.
– Jamshaid Kamran
Mar 2 '18 at 15:59
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How to open standard Google Map application from my application?
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For directions, a navigation intent is now supported with google.navigation:q=latitude,longitude: Uri gmmIntentUri = Uri.parse("google.navigation:q=" + 12f " +"," + 2f); Intent mapIntent = new Intent(Intent.ACTION_VIEW, gmmIntentUri); mapIntent.setPackage("com.g...
Should __init__() call the parent class's __init__()?
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In Python, calling the super-class' __init__ is optional. If you call it, it is then also optional whether to use the super identifier, or whether to explicitly name the super class:
object.__init__(self)
In case of object, calling the super method is not strictly necessary, sinc...