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Should I use scipy.pi, numpy.pi, or math.pi?
In a project using SciPy and NumPy, should I use scipy.pi , numpy.pi , or math.pi ?
2 Answers
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How to write multiple line property value using PropertiesConfiguration?
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Check the User Guide for Properties files:
Special Characters and Escaping:
If you need a special character in a property like a line feed, a
tabulation or an unicode character, you can specify it with the same
escaped notation used for Java Strings. The list separator ("," by
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C# HttpWebRequest vs WebRequest
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The Create method is static, and exists only on WebRequest. Calling it as HttpWebRequest.Create might look different, but its actually compiled down to calling WebRequest.Create. It only appears to be on HttpWebRequest because of inheritance.
The Create...
Getting list of lists into pandas DataFrame
I am reading contents of a spreadsheet into pandas. DataNitro has a method that returns a rectangular selection of cells as a list of lists. So
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Mongo: find items that don't have a certain field
... answered Apr 19 '11 at 16:19
Andrew OrsichAndrew Orsich
47.9k1414 gold badges129129 silver badges130130 bronze badges
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How to skip “are you sure Y/N” when deleting files in batch files
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Use del /F /Q to force deletion of read-only files (/F) and directories and not ask to confirm (/Q) when deleting via wildcard.
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List All Redis Databases
I ran this command to access my redis server.
3 Answers
3
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Using GSON to parse a JSON array
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}, {
"number": "2",
"title": "hello_world"
}
]
and
Wrapper[] data = gson.fromJson(jElement, Wrapper[].class);
should work fine.
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Django - filtering on foreign key properties
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This has been possible since the queryset-refactor branch landed pre-1.0. Ticket 4088 exposed the problem. This should work:
Asset.objects.filter(
desc__contains=filter,
project__name__contains="Foo").order_by("desc")
The Django Many-to-one documentation has this and oth...
How to define @Value as optional
... limited to plain strings as default values. You can use SPEL expressions, and a simple SPEL expression to return null is:
@Value("${myValue:#{null}}")
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