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Convert a 1D array to a 2D array in numpy
I want to convert a 1-dimensional array into a 2-dimensional array by specifying the number of columns in the 2D array. Something that would work like this:
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SQL Server : Columns to Rows
Looking for elegant (or any) solution to convert columns to rows.
6 Answers
6
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Convert string to a variable name
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There is another simple solution found there:
http://www.r-bloggers.com/converting-a-string-to-a-variable-name-on-the-fly-and-vice-versa-in-r/
To convert a string to a variable:
x <- 42
eval(parse(text = "x"))
[1] 42
And the opposite:
x <- 42
deparse(substitute(x))
[1] "x"
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Get HTML code from website in C#
... 'System.Net.WebClient': type used in a using statement must be implicitly convertible to 'System.IDisposable'
– Dave Chandler
Nov 15 '13 at 20:31
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What's NSLocalizedString equivalent in Swift?
...swer. Once Apple does update it for Swift, Xcode will be able to just auto-convert this API to its new Swift API and nothing else will break. Even in Xcode's Refractor menu currently (v 11.4.1) there is a Wrap in NSLocalizedString option which make things really easy by just highlighting text, right...
How to link to a named anchor in Multimarkdown?
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@SaurabhM this will ONLY work IF your markdown to html converter DOES NOT adhere to the standard. The standard doesn't create anchor tags. Now, many don't adhere, but you should NOT expect this to work anywhere.
– masukomi
Jan 15 '16 at 16:5...
How can I backup a remote SQL Server database to a local drive?
... reason you need columns like object_id, create_data, modify date AS IS in sys.tables just remember that they will be modified upon creation.
– Crismogram
Sep 9 '18 at 20:43
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How do you suppress output in IPython Notebook?
... Thought it would be simple -- but weirdly, contextlib.redirect_stdout and sys.stdout = open(os.devnull, 'w') both fail (end up printing an extra blank line). This should be the accepted answer.
– Luke Davis
Nov 4 '18 at 18:20
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Casting interfaces for deserialization in JSON.NET
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Why use a converter? There is a native functionality in Newtonsoft.Json to solve this exact problem:
Set TypeNameHandling in the JsonSerializerSettings to TypeNameHandling.Auto
JsonConvert.SerializeObject(
toSerialize,
new JsonSe...
LINQ to Entities does not recognize the method 'System.String ToString()' method, and this method ca
...this.
For this case, what you are looking for here is SqlFunctions.StringConvert:
from p in context.pages
where p.Serial == SqlFunctions.StringConvert((double)item.Key.Id)
select p;
Good when the solution with temporary variables is not desirable for whatever reasons.
Similar to SqlFunctions ...