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Display image as grayscale using matplotlib
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@jay: Per this doc string, "Note that any colormap listed here can be reversed by appending _r."
– unutbu
Oct 21 '16 at 14:27
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How do I do string replace in JavaScript to convert ‘9.61’ to ‘9:61’?
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return value + ' ' + this.className;
});
This example appends the string "
items" to the text inputs' values.
This requires jQuery 1.4+.
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How to convert an int to a hex string?
...>> chr(65) == '\x41'
True
Note that this is quite different from a string containing an integer as hex. If that is what you want, use the hex builtin.
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Jackson databind enum case insensitive
How can I deserialize JSON string that contains enum values that are case insensitive? (using Jackson Databind)
13 Answers...
String formatting named parameters?
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In Python 2.6+ and Python 3, you might choose to use the newer string formatting method.
print('<a href="{0}">{0}</a>'.format(my_url))
which saves you from repeating the argument, or
print('<a href="{url}">{url}</a>'.format(url=my_url))
if you want named par...
How to convert std::string to NSString?
Hi I am trying to convert a standard std::string into an NSString but I'm not having much luck.
6 Answers
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How can I get all constants of a type by reflection?
...ts and you can ignore IsInitOnly. I tried with different field types (e.g. String, Int32) to see if this made any difference but it did not.
– Mark Watts
May 5 '15 at 9:55
51
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How to use double or single brackets, parentheses, curly braces
...$default}
hello
and several more
Also, brace expansions create lists of strings which are typically iterated over in loops:
$ echo f{oo,ee,a}d
food feed fad
$ mv error.log{,.OLD}
(error.log is renamed to error.log.OLD because the brace expression
expands to "mv error.log error.log.OLD")
$ for ...
How to use Class in Java?
...hat Vector<int[]> is a vector of integer arrays, and HashTable<String, Person> is a table of whose keys are strings and values Person s.
However, what stumps me is the usage of Class<> .
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Nested attributes unpermitted parameters
... Person . I want a form that can create the Bill and its children Dues all in one page. I am trying to create a form using nested attributes, similar to ones in this Railscast .
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