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Why does Python use 'magic methods'?
... all (e.g. tuples). It is also
convenient to have a function that can
readily be applied to an amorphous
collection of objects when you use the
functional features of Python (map(),
apply() et al).
In fact, implementing len(), max(),
min() as a built-in function is
actually less ...
How do you create a dictionary in Java? [closed]
...d to build your data structure during exeuction. Think of a put command as reading the file from disc, and placing it in memory(ram) so you can work with it. If you have a file you want loaded in as a data structure on load auto you wouuld need to look into java spring but its complex.
...
Java 8 stream reverse order
...toring the elements.
This first way stores the elements into an array and reads them out to a stream in reverse order. Note that since we don't know the runtime type of the stream elements, we can't type the array properly, requiring an unchecked cast.
@SuppressWarnings("unchecked")
static <T&g...
mongodb/mongoose findMany - find all documents with IDs listed in array
...he owner of a record)
I would recommend that anybody working with mongoDB read through the Advanced Queries section of the excellent Official mongoDB Docs
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Difference between MVC 5 Project and Web Api Project
... not only websites. So it doesn't know the meaning of rendering
Further Reading
Planning Web Solutions Today: Web Forms, ASP.NET MVC, Web API, and OWIN.
WCF or ASP.NET Web APIs? My two cents on the subject
The Next Generation of .NET – ASP.NET vNext
Getting Started with ASP.NET MVC 6
...
Why is document.body null in my javascript?
...
The page is read from top to bottom and javascript executed along the way. You have some javascript in the head section that is being executed. But body part of the html, maybe, hasn't been even downloaded yet. Or it is downloaded, but i...
Math functions in AngularJS bindings
...>The percentage is {{(100*count/total)| number:0}}%</p>
You can read more about the number filter here: http://docs.angularjs.org/api/ng/filter/number
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Why catch and rethrow an exception in C#?
...ed the case, though a comment might equally suffice. Not guessing when you read code is a good thing.
– annakata
May 19 '09 at 8:36
90
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NOT IN vs NOT EXISTS
...anti semi join as below.
The effect of this is shown in the blog post already linked by Buckley. In the example there the number of logical reads increase from around 400 to 500,000.
Additionally the fact that a single NULL can reduce the row count to zero makes cardinality estimation very diffi...
Rails: Using build with a has_one association in rails
...d_profile # this will work
user.profile.build # this will throw error
Read the has_one association documentation for more details.
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