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LINQ to SQL - Left Outer Join with multiple join conditions

... You need to introduce your join condition before calling DefaultIfEmpty(). I would just use extension method syntax: from p in context.Periods join f in context.Facts on p.id equals f.periodid into fg from fgi in fg.Where(f => f.otherid == 17).DefaultIfEmpty() where p.companyid == 100 sel...
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Fastest way to list all primes below N

This is the best algorithm I could come up. 35 Answers 35 ...
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How to export and import a .sql file from command line with options? [duplicate]

Not Duplicate! looking for some feature have phpmyadmin during export in command line 8 Answers ...
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How do you detect where two line segments intersect? [closed]

... determine whether or not two lines intersect, and if they do, at what x,y point? 27 Answers ...
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How to rename a file using Python

... Use os.rename: import os os.rename('a.txt', 'b.kml') share | improve this answer | follow | ...
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How do I display the current value of an Android Preference in the Preference summary?

This must come up very often. 34 Answers 34 ...
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Principal component analysis in Python

I'd like to use principal component analysis (PCA) for dimensionality reduction. Does numpy or scipy already have it, or do I have to roll my own using numpy.linalg.eigh ? ...
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How do I reset a sequence in Oracle?

In PostgreSQL , I can do something like this: 18 Answers 18 ...
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Permutations in JavaScript?

... If you notice, the code actually splits the chars into an array prior to do any permutation, so you simply remove the join and split operation var permArr = [], usedChars = []; function permute(input) { var i, ch; for (i = 0; i < input.len...
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In C#, what is the difference between public, private, protected, and having no access modifier?

All my college years I have been using public , and would like to know the difference between public , private , and protected ? ...