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What is an xs:NCName type and when should it be used?

... NCName is non-colonized name e.g. "name". Compared to QName which is qualified name e.g. "ns:name". If your names are not supposed to be qualified by different namespaces, then they are NCNames. xs:string puts no restrictions on your names at all, but xs:NCName basically disallows ":" to appear i...
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Change values while iterating

...that range copies the values from the slice you're iterating over. The specification about range says: Range expression 1st value 2nd value (if 2nd variable is present) array or slice a [n]E, *[n]E, or []E index i int a[i] E So, range us...
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Django: accessing session variables from within a template?

If I set a session variable in Django, like: 9 Answers 9 ...
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Generate MD5 hash string with T-SQL

... None of the other answers worked for me. Note that SQL Server will give different results if you pass in a hard-coded string versus feed it from a column in your result set. Below is the magic that worked for me to give a perfect match between SQL Server and MySql select LOWER(CONVERT(VARCHAR(32)...
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Regular expression for first and last name

... A-Z does not need to be included in the original example because the i modifier after the expression means ignore case. – mhanney Jul 21 '15 at 16:18  |  ...
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Pandas count(distinct) equivalent

... What if I have multiple columns that I want to be unique together, like in .drop_duplicates(subset=['col1','col2'])? – ErnestScribbler Oct 2 '17 at 8:10 ...
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Matrix Transpose in Python

... if you're going to iterate through the results, izip from itertools can save memory for large arrays. – Antony Hatchkins Mar 28 '13 at 8:38 ...
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A variable modified inside a while loop is not remembered

...or the original Bourne shell, but don't have access to a running copy just now to check. There is, however, a very trivial workaround to the problem. Change the first line of the script from: #!/bin/bash to #!/bin/ksh Et voila! A read at the end of a pipeline works just fine, assuming you ha...
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dynamic_cast and static_cast in C++

...t runtime, and work by querying the object (no need to worry about how for now), asking it if it the type we're looking for. If it is, dynamic_cast<Type*> returns a pointer; otherwise it returns NULL. In order for this base-to-derived casting to work using dynamic_cast<>, Base, Foo and...
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How can I change a file's encoding with vim?

... all our base encoding are now belong to UTF-8 – roblogic Aug 25 '15 at 1:49 add a comment  |  ...