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Multiple columns index when using the declarative ORM extension of sqlalchemy
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those are just Column objects, index=True flag works normally:
class A(Base):
__tablename__ = 'table_A'
id = Column(Integer, primary_key=True)
a = Column(String(32), index=True)
b = Column(String(32), index=True)
if you'd like a ...
How to write asynchronous functions for Node.js
I've tried to research on how exactly asynchronous functions should be written. After a lot of plowing through a lot of documentation, it's still unclear to me.
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Arrow operator (->) usage in C
I am reading a book called "Teach Yourself C in 21 Days" (I have already learned Java and C# so I am moving at a much faster pace). I was reading the chapter on pointers and the -> (arrow) operator came up without explanation. I think that it is used to call members and functions (like the eq...
Safe (bounds-checked) array lookup in Swift, through optional bindings?
If I have an array in Swift, and try to access an index that is out of bounds, there is an unsurprising runtime error:
19 A...
Receiving login prompt using integrated windows authentication
I have a .NET 3.5 application running under IIS 7 on Windows 2003 server and cannot get integrated windows authentication working properly as I continue to get prompted for a login. I have set Windows Authentication to enabled in IIS with all other security types disabled and my application web.conf...
How to write a Unit Test?
...red output for a normal case, with correct input.
Now, implement the test by declaring a class, name it anything (Usually something like TestAddingModule), and add the testAdd method to it (i.e. like the one below) :
Write a method, and above it add the @Test annotation.
In the method, run your ...
How is TeamViewer so fast?
Sorry about the length, it's kinda necessary.
6 Answers
6
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How does database indexing work? [closed]
...ata set increases in size, can someone explain how indexing works at a database-agnostic level?
8 Answers
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No grammar constraints (DTD or XML schema) detected for the document
I have this dtd : http://fast-code.sourceforge.net/template.dtd
But when I include in an xml I get the warning :
No grammar constraints (DTD or XML schema) detected for the document.
The xml is :
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Routing with Multiple Parameters using ASP.NET MVC
Our company is developing an API for our products and we are thinking about using ASP.NET MVC. While designing our API, we decided to use calls like the one below for the user to request information from the API in XML format:
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