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What does it mean to hydrate an object?

...atabase, from the network, or from a file system). From Erick Robertson's comments on this answer: deserialization == instantiation + hydration If you don't need to worry about blistering performance, and you aren't debugging performance optimizations that are in the internals of a data acces...
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SQL Server indexes - ascending or descending, what difference does it make?

... This primarily matters when used with composite indexes: CREATE INDEX ix_index ON mytable (col1, col2 DESC); can be used for either: SELECT * FROM mytable ORDER BY col1, col2 DESC or: SELECT * FROM mytable ORDER BY col1 DESC, col2 ...
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Installing SciPy with pip

...scipy/trunk/#egg=scipy Update (12-2012): pip install git+https://github.com/scipy/scipy.git Since NumPy is a dependency, it should be installed as well. share | improve this answer | ...
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Requirejs domReady plugin vs Jquery $(document).ready()?

... answered Mar 20 '13 at 6:07 fncompfncomp 5,49822 gold badges2929 silver badges4141 bronze badges ...
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C++ Double Address Operator? (&&)

... edited May 23 '17 at 11:47 Community♦ 111 silver badge answered Dec 28 '10 at 20:16 aschepleraschepler ...
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How do I format a number with commas in T-SQL?

I'm running some administrative queries and compiling results from sp_spaceused in SQL Server 2008 to look at data/index space ratios of some tables in my database. Of course I am getting all sorts of large numbers in the results and my eyes are starting to gloss over. It would be really conveni...
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is vs typeof

... +1: In the past I wondered why the C# compiler didn't compile typeof(string).TypeHandle to the ldtoken CIL instruction, but it looks like the CLR takes care of it in the JIT. It still takes a few extra opcodes but it's a more generalized application of the optimi...
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What is the purpose of `text=auto` in `.gitattributes` file?

... you're not alone. Here's what * text=auto does in my words: when someone commits a file, Git guesses whether that file is a text file or not, and if it is, it will commit a version of the file where all CR + LF bytes are replaced with LF bytes. It doesn't directly affect what files look like in th...
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What are the rules for the “…” token in the context of variadic templates?

...ted — the unpacked patterns (call them expressions now) are separated by comma ,. It can be best understood by some examples. Suppose you have this function template: template<typename ...T> //pack void f(T ... args) //pack { // here are unpack patterns g( args... ); //pat...
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How is __eq__ handled in Python and in what order?

Since Python does not provide left/right versions of its comparison operators, how does it decide which function to call? 3...