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How does collections.defaultdict work?
...re precisely, it's an arbitrary "callable" object, which includes function and type objects). For the first example, default items are created using int(), which will return the integer object 0. For the second example, default items are created using list(), which returns a new empty list object....
Unable to login to SQL Server + SQL Server Authentication + Error: 18456
... see whether that user has relevant privileges on that SQL Server instance and relevant database too, thats good. Obviously if the necessary prvileges are not been set then you need to fix that issue by granting relevant privileges for that user login.
Althought if that user has relevant grants on ...
Different floating point result with optimization enabled - compiler bug?
The below code works on Visual Studio 2008 with and without optimization. But it only works on g++ without optimization (O0).
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Default constructor vs. inline field initialization
What's the difference between a default constructor and just initializing an object's fields directly?
5 Answers
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Why does C# allow {} code blocks without a preceding statement?
...estrict the scope of some local variables. This is further elaborated here and here. Look at João Angelo’s answer and Chris Wallis’s answer for brief examples. I believe the same applies to some other languages with C-style syntax as well, not that they’d be relevant to this question though.
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Auto Resize Image in CSS FlexBox Layout and keeping Aspect Ratio?
...oking for an answer to my distorted images" i got here for the same reason and your solution helped me (what was marked as the actual solution didn't help me at all)
– Wagner Danda da Silva Filho
Jun 29 '16 at 17:30
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Clojure: reduce vs. apply
I understand the conceptual difference between reduce and apply :
9 Answers
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Is there a way to tell git to only include certain files instead of ignoring certain files?
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*.c
!frob_*.c
!custom.c
To have it ignore all .c files except custom.c and anything starting with "frob_"
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Send message to specific client with socket.io and node.js
I'm working with socket.io and node.js and until now it seems pretty good, but I don't know how to send a message from the server to an specific client, something like this:
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delete_all vs destroy_all?
...ave a user whose user ID is across many tables. I want to delete this user and every record that has his ID in all tables.
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