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How to use a variable for the database name in T-SQL?

... You cannot use a variable in a create table statement. The best thing I can suggest is to write the entire query as a string and exec that. Try something like this: declare @query varchar(max); set @query = 'create database TEST...'; exec (@query); ...
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“is” operator behaves unexpectedly with integers

...3): The current implementation keeps an array of integer objects for all integers between -5 and 256, when you create an int in that range you actually just get back a reference to the existing object. So it should be possible to change the value of 1. I suspect the behaviour of Py...
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Cosine Similarity between 2 Number Lists

... scientific routines for example, "routines for computing integrals numerically, solving differential equations, optimization, and sparse matrices." It uses the superfast optimized NumPy for its number crunching. See here for installing. Note that spatial.distance.cosine computes the distance, and ...
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(this == null) in C#!

...in sematic checks) in the compiler: it should NOT be possible. You are not allowed to write : base(CheckNull()) if CheckNull is not static, and alike you should not be able to inline an instance-bound lambda. – quetzalcoatl Aug 14 '12 at 0:29 ...
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Is there a simple way to convert C++ enum to string?

... +1, GCCXML looks very nice! (Although I almost -1ed as I initially misread this as a suggestion to use the above verbose XML syntax to encode your enum -- a solution which reeks of overengineering!) – j_random_hacker Mar 12 '09 at 9:46 ...
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How to make my custom type to work with “range-based for loops”?

...hanges, and compilers that do not. The objects returned do not have to actually be iterators. The for(:) loop, unlike most parts of the C++ standard, is specified to expand to something equivalent to: for( range_declaration : range_expression ) becomes: { auto && __range = range_expressi...
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Git Bash is extremely slow on Windows 7 x64

...ve been using Git on both Windows and Ubuntu during the development of a small project, frequently flipping back and forth between the two. The issue is that Git Bash consistently becomes slow. ...
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C++ multiline string literal

... const char *text2 = "Here, on the other hand, I've gone crazy \ and really let the literal span several lines, \ without bothering with quoting each line's \ content. This works, but you can't indent."; Again, note those backslashes at the end of each line, they must be immediately before the...
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How to get the current time in Python

...displaying the time with Python for the user, ctime works nicely, not in a table (it doesn't typically sort well), but perhaps in a clock. However, I personally recommend, when dealing with time in Python, either using Unix time, or a timezone aware UTC datetime object. ...
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API pagination best practices

... This is not an acceptable solution. It is considerably time and memory consuming. All the deleted data along with requested data will need to be kept in memory which might not be used at all if the same user doesn't request any more entries. ...