大约有 20,000 项符合查询结果(耗时:0.0391秒) [XML]

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Update relationships when saving changes of EF4 POCO objects

...ion on single entity is easy task. You just need to attach entity and call AddObject for inserting, DeleteObject for deleting or set state in ObjectStateManager to Modified for updating. The real pain comes when you have to deal with object graph instead of single entity. This pain is even worse whe...
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Read connection string from web.config

How can I read a connection string from a web.config file into a public class contained within a class library? 12 Answer...
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Multiple INSERT statements vs. single INSERT with multiple VALUES

... Addition: SQL Server 2012 shows some improved performance in this area but doesn't seem to tackle the specific issues noted below. This should apparently be fixed in the next major version after SQL Server 2012! Your pl...
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Learning assembly [closed]

... dey.shin 40577 silver badges1919 bronze badges answered Sep 1 '09 at 2:40 Noon SilkNoon Silk 50.5k66 ...
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Defining and using a variable in batch file

... Brian NixonBrian Nixon 7,75211 gold badge1515 silver badges2424 bronze badges 8 ...
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Auto-fit TextView for Android

...omText(); fontFitTextView.setText(text); container.addView(fontFitTextView); Log.d("DEBUG", "width:" + width + " height:" + height + " text:" + text + " maxLines:" + maxLines); } }); } I am posting code here at per android develop...
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What is the difference between “INNER JOIN” and “OUTER JOIN”?

... Darryl Hein 131k8686 gold badges202202 silver badges255255 bronze badges answered Sep 1 '08 at 22:59 Mark HarrisonMark Harrison ...
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Interfaces vs. abstract classes [duplicate]

... The advantages of an abstract class are: Ability to specify default implementations of methods Added invariant checking to functions Have slightly more control in how the "interface" methods are called Ability to provide behavi...
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Difference between window.location.href, window.location.replace and window.location.assign

...new URL. The replace method on the other hand navigates to the URL without adding a new record to the history. So, what you have read in those many forums is not correct. The assign method does add a new record to the history. Reference: http://developer.mozilla.org/en/window.location ...
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Ruby : How to write a gem? [closed]

...Gemcutter and Jeweler Railscast. Hoe - From the guys at seattlrb. gem-this adds a bunch of helpful rake tasks. Some tutorials/guides: Creating Your First Gem Using bundler and rvm to build a rubygem - Using bundler and rvm to create a gem Gem Packaging: Best Practices Ruby Gem Recipe - Intro gui...