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LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?

... Joining on multiple columns in Linq to SQL is a little different. var query = from t1 in myTABLE1List // List<TABLE_1> join t2 in myTABLE1List on new { t1.ColumnA, t1.ColumnB } equals new { t2.ColumnA, t2.C...
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Checkout another branch when there are uncommitted changes on the current branch

Most of the time when I try to checkout another existing branch, Git doesn't allow me if I have some uncommitted changes on the current branch. So I'll have to commit or stash those changes first. ...
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SQL WHERE.. IN clause multiple columns

I need to implement the following query in SQL Server: 13 Answers 13 ...
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Difference between Python's Generators and Iterators

...a more general concept: any object whose class has a __next__ method (next in Python 2) and an __iter__ method that does return self. Every generator is an iterator, but not vice versa. A generator is built by calling a function that has one or more yield expressions (yield statements, in Python 2....
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(-2147483648> 0) returns true in C++?

-2147483648 is the smallest integer for integer type with 32 bits, but it seems that it will overflow in the if(...) sentence: ...
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How to ignore files/directories in TFS for avoiding them to go to central source repository?

Is it possible to set up files/folders to ignore on a per-project basis in TFS source control? 6 Answers ...
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Is it possible to use Swift's Enum in Obj-C?

I'm trying to convert some of my Obj-C class to Swift. And some other Obj-C classes still using enum in that converted class. I searched In the Pre-Release Docs and couldn't find it or maybe I missed it. Is there a way to use Swift enum in Obj-C Class? Or a link to the doc of this issue? ...
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Nearest neighbors in high-dimensional data?

I have asked a question a few days back on how to find the nearest neighbors for a given vector. My vector is now 21 dimensions and before I proceed further, because I am not from the domain of Machine Learning nor Math, I am beginning to ask myself some fundamental questions: ...
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How to set NODE_ENV to production/development in OS X

For use in express.js environments. Any suggestions? 14 Answers 14 ...
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In Python, how do I indicate I'm overriding a method?

In Java, for example, the @Override annotation not only provides compile-time checking of an override but makes for excellent self-documenting code. ...