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SQL Server indexes - ascending or descending, what difference does it make?

...ces to rows. Since the table is clustered, the references to rows are actually the values of the pk. They are also ordered within each value of col1. This means that that leaves of the index are actually ordered on (col1, pk), and this query: SELECT col1, pk FROM mytable ORDER BY col1...
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How to get the raw value an field?

...urself. The W3 also has the same specs and adds: User agents must not allow the user to set the value to a non-empty string that is not a valid floating-point number. share | improve this an...
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Batch Renaming of Files in a Directory

...name(r'c:\temp\xx', r'*.doc', r'new(%s)') The above example will convert all *.doc files in c:\temp\xx dir to new(%s).doc, where %s is the previous base name of the file (without extension). share | ...
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lenses, fclabels, data-accessor - which library for structure access and mutation is better

...f these libraries also provide a bunch of extra combinators on top, and usually some form of template haskell machinery to automatically generate lenses for the fields of simple record types. With that in mind, we can turn to the different implementations: Implementations fclabels fclabels is pe...
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MongoDB atomic “findOrCreate”: findOne, insert if nonexistent, but do not update

...| edited Dec 18 '13 at 12:32 Joe 41.2k2222 gold badges131131 silver badges219219 bronze badges answered ...
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How can we programmatically detect which iOS version is device running on? [duplicate]

... answered Sep 24 '13 at 16:32 Gabriele PetronellaGabriele Petronella 99.8k2020 gold badges198198 silver badges222222 bronze badges ...
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C# 4 default parameter values: How to assign a default DateTime/object value? [duplicate]

...s messier. – pettys Feb 18 '11 at 3:32 thanks.. default or minvalue by @Dr. Zim does the trick for me. but default is ...
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Android Studio needs JDK 7 for Android-L mac

... user3144836user3144836 3,61933 gold badges2323 silver badges2525 bronze badges add a comment ...
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Get Android API level of phone currently running my application [duplicate]

...ntly running my application? I am sure its simple but I can not find it as all my searches bring up tons of junk. 4 Answers...
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Preferred method to store PHP arrays (json_encode vs serialize)

...ciative array of data in a flat file for caching purposes. I might occasionally come across the need to convert it to JSON for use in my web app but the vast majority of the time I will be using the array directly in PHP. ...