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Entity Framework .Remove() vs. .DeleteObject()
... doesn't allow NULL values) and the relationship is not identifying (which means that the foreign key is not part of the child's (composite) primary key) you have to either add the child to another parent or you have to explicitly delete the child (with DeleteObject then). If you don't do any of the...
What is the difference between graph search and tree search?
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Nice thourough answer! Can you elaborate on what you mean by tree-shaped problem ? Also, how do you propose storing the path travelled by the algorithm to reach the goal as opposed to the complete traversal?
– Brian
Sep 15 '13 at 22:01
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Forms authentication timeout vs sessionState timeout
...ount of time in minutes that the authentication cookie is set to be valid, meaning, that after value number of minutes, the cookie will expire and the user will no longer be authenticated—they will be redirected to the login page automatically. The slidingExpiration=true value is basically saying ...
Differences between fork and exec
...y of exec calls (execl, execle, execve and so on) but exec in context here means any of them.
The following diagram illustrates the typical fork/exec operation where the bash shell is used to list a directory with the ls command:
+--------+
| pid=7 |
| ppid=4 |
| bash |
+--------+
|
| c...
What is the __del__ method, How to call it?
...ail". I am not convinced. Can you provide a link back up that claim? (I mean, bold font is pretty convincing on its own, but links are a close second... :-)
– Stuart Berg
Dec 3 '12 at 19:13
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What's the difference between a catalog and a schema in a relational database?
...think schema were the "upper wrapper" object before the database itself.
I mean DB.schema.<what_ever_object_name_under_schema> .
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Make a link in the Android browser start up my app?
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For reference, adding CATEGORY_BROWSABLE means that "The target activity can be safely invoked by the browser to display data referenced by a link — for example, an image or an e-mail message."
– greg7gkb
Jul 9 '12 at 18:42
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Is there any free OCR library for Android? [closed]
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by porting it over do you mean rewriting the subset in Java? that might take lots of effort, so there is not a 100% Java OCR out there?
– user121196
Jul 10 '09 at 0:39
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What is @RenderSection in asp.net MVC
...quired or not.
@section Bottom{
This message form bottom.
}
That meaning if you want to bottom section in all pages, then you must use false as the second parameter at Rendersection method.
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What is non-blocking or asynchronous I/O in Node.js?
...like ones made in Node - only use one thread to service all requests. This means an instance of Node makes the most out of a single thread. The creators designed it with the premise that the I/O and network operations are the bottleneck.
When requests arrive at the server, they are serviced one at ...