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What does LINQ return when the results are empty
I have a question about LINQ query. Normally a query returns a IEnumerable<T> type. If the return is empty, not sure if it is null or not. I am not sure if the following ToList() will throw an exception or just a empty List<string> if nothing found in IEnumerable result?
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How to put attributes via XElement
... Is it possible to build a list or array of xAttr and add them all at once?
– greg
Apr 17 '19 at 16:27
@gr...
How exactly does the “Specific Version” property of an assembly reference work in Visual Studio?
...ble about how the property works. Even SO, it appears to me, does not have all the answers, so here is my attempt at self-answering the question:
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Should I compile release builds with debug info as “full” or “pdb-only”?
...t there is some impact on the speed and size of JIT optimized code and a small impact on code quality with /debug:full. We recommend /debug:pdbonly or no PDB for generating release code.
– Allon Guralnek
Feb 16 '12 at 9:18
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Foreign key constraints: When to use ON UPDATE and ON DELETE
...tent database, and that's one of the good reasons to use a database. Especially if you have several applications requesting it (or just one application but with a direct mode and a batch mode using different sources).
With MySQL you do not have advanced constraints like you would have in postgreSQL...
__proto__ VS. prototype in JavaScript
...x = x;
this.y = y;
}
var myPoint = new Point();
// the following are all true
myPoint.__proto__ == Point.prototype
myPoint.__proto__.__proto__ == Object.prototype
myPoint instanceof Point;
myPoint instanceof Object;
Here Point is a constructor function, it builds an object (data structure) p...
How do I select a merge strategy for a git rebase?
...ch is "ours". May seem counterintuitive, but once you realize what is actually happening, it makes sense.
– patrikbeno
Nov 2 '15 at 15:21
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RESTful Alternatives to DELETE Request Body
While the HTTP 1.1 spec seems to allow message bodies on DELETE requests, it seems to indicate that servers should ignore it since there are no defined semantics for it.
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Where is logback encoder pattern documentation
I've gone through all the documentation of logback and I can't find anywhere the documentation to configure the encoder's pattern when logging, such as:
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Apply style to only first level of td tags
...in IE6. If you need to support that browser (which you probably do, alas), all you can do is select the inner element separately and un-set the style:
.MyClass td { border: solid 1px red; }
.MyClass td td { border: none; }
*Note that the first example references a tbody element not found in you...