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what does the __file__ variable mean/do?

...are considered to be "special" by convention and serve a special purpose. http://docs.python.org/reference/datamodel.html shows many of the special methods and attributes, if not all of them. In this case __file__ is an attribute of a module (a module object). In Python a .py file is a module. S...
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Why are unsigned int's not CLS compliant?

...VB7/7.1 not to implement as well (it's implemented now in VB8). To quote: http://msdn.microsoft.com/en-us/library/12a7a7h3.aspx The CLS was designed to be large enough to include the language constructs that are commonly needed by developers, yet small enough that most languages are able to support...
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When to use a key/value store such as Redis instead/along side of a SQL database?

...I think nothing explains better the use cases for Redis than this article: http://antirez.com/post/take-advantage-of-redis-adding-it-to-your-stack.html I bet you'll have an aha! moment. ;) A quote from a previous reader: I've read about Redis before and heard how companies are using it, but ne...
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What is the memory consumption of an object in Java?

...n overhead of 16 bytes on 32-bit systems (and 24-byte on 64-bit systems). http://algs4.cs.princeton.edu/14analysis/ is a good source of information. One example among many good ones is the following. http://www.cs.virginia.edu/kim/publicity/pldi09tutorials/memory-efficient-java-tutorial.pdf is a...
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How to declare std::unique_ptr and what is the use of it?

...re guaranteed to destroy the object they manage when they go out of scope. http://en.cppreference.com/w/cpp/memory/unique_ptr In this case: unique_ptr<double> uptr2 (pd); pd will be destroyed when uptr2 goes out of scope. This facilitates memory management by automatic deletion. The case ...
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What does multicore assembly language look like?

... is discussed at: How are cache memories shared in multicore Intel CPUs? http://stackoverflow.com/questions/4802565/multiple-threads-and-cpu-cache Can multiple CPU's / cores access the same RAM simultaneously? Intel hyperthreads have greater cache and pipeline sharing than separate cores: https:...
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Backing beans (@ManagedBean) or CDI Beans (@Named)?

...d-like annotation for CDI beans, but I haven't played with it personally. http://seamframework.org/Seam3/FacesModule share | improve this answer | follow | ...
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Difference between class and type

... a variable has a type, and classes are a kind of a type. More info here: http://docs.oracle.com/javase/specs/jls/se8/html/jls-4.html share | improve this answer | follow ...
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NHibernate ISession Flush: Where and when to use it, and why?

... are two examples of my code where it would fail without session.Flush(): http://www.lucidcoding.blogspot.co.uk/2012/05/changing-type-of-entity-persistence.html at the end of this, you can see a section of code where I set identity insert on, save the entity then flush, then set identity insert of...
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What is Normalisation (or Normalization)?

...nly do de-normalisation when really needed P.S. also check this article: http://en.wikipedia.org/wiki/Database_normalization to read more on the subject and about so-called normal forms share | im...