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How to COUNT rows within EntityFramework without loading contents?

... Can you tell me why is it different with the SelectMany? I don't understand. I do it without SelectMany but it gets really slow because I have over 20 million records. I tried the answer from Yang Zhang and works great, just wanted to know what the SelectMany does. – mikesof...
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How to print a string in fixed width?

... EDIT 2013-12-11 - This answer is very old. It is still valid and correct, but people looking at this should prefer the new format syntax. You can use string formatting like this: >>> print '%5s' % 'aa' aa >>> print '%5s' % 'aaa' aaa >>> print '%5s' % '...
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I ran into a merge conflict. How can I abort the merge?

I used git pull and had a merge conflict: 12 Answers 12 ...
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Why are functions and methods in PHP case-insensitive?

Functions and methods in PHP are case-insensitive as illustrated in the following example. 2 Answers ...
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How do I determine the dependencies of a .NET application?

...oes Dependency Walker work with managed apps? I've downloaded the latest and tried profiling the app, but it just exits without much of an explanation. If it doesn't work with .NET, then is there some other tool that would help me debug a run-time DLL loading issue? ...
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rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)

...de a basic rails app with a simple pages controller with an index function and when I load the page I get: 14 Answers ...
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Unit Testing AngularJS directive with templateUrl

... ngMock. The ngMock module is automatically loaded for every Angular test, and it initializes the mock $httpBackend to handle any use of the $http service, which includes template fetching. The template system tries to load the template through $http and it becomes an "unexpected request" to the moc...
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MySQL “Group By” and “Order By”

I want to be able to select a bunch of rows from a table of e-mails and group them by the from sender. My query looks like this: ...
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add column to mysql table if it does not exist

My research and experiments haven't yielded an answer yet, so I am hoping for some help. 16 Answers ...
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outline on only one border

... using an image to do that (GIF/PNG) that I would then use as a background and stretch it (repeat-x) and position a little off from the top of my block. Recently, I discovered the outline CSS property, which is great! But seems to circle the whole block... Is it possibly to use this outline proper...