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How do you remove duplicates from a list whilst preserving order?
... a built-in that removes duplicates from list in Python, whilst preserving order? I know that I can use a set to remove duplicates, but that destroys the original order. I also know that I can roll my own like this:
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Error “The goal you specified requires a project to execute but there is no POM in this directory” a
.../stackoverflow.com/a/11199865/1307104
I edit my command by adding quotes for every parameter like this:
mvn install:install-file "-DgroupId=org.mozilla" "-DartifactId=jss" "-Dversion=4.2.5" "-Dpackaging=jar" "-Dfile=C:\Users\AArmijos\workspace\componentes-1.0.4\deps\jss-4.2.5.jar"
It's worked.
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String comparison in Python: is vs. == [duplicate]
...was in fact '' . When I changed it to !='' rather than is not '' , it worked fine.
4 Answers
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Int division: Why is the result of 1/3 == 0?
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The two operands (1 and 3) are integers, therefore integer arithmetic (division here) is used. Declaring the result variable as double just causes an implicit conversion to occur after division.
Integer division of course returns the true result of division rounded towar...
What is uint_fast32_t and why should it be used instead of the regular int and uint32_t?
So the reason for typedef :ed primitive data types is to abstract the low-level representation and make it easier to comprehend ( uint64_t instead of long long type, which is 8 bytes).
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How to Apply global font to whole HTML document
I have a HTML page which includes some text and formatting. I want to make it have the same font-family and the same text-size ignoring all inner formatting of text.
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How to prevent custom views from losing state across screen orientation changes
I've successfully implemented onRetainNonConfigurationInstance() for my main Activity to save and restore certain critical components across screen orientation changes.
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Accessing constructor of an anonymous class
....5.1:
An anonymous class cannot have an
explicitly declared constructor.
Sorry :(
EDIT: As an alternative, you can create some final local variables, and/or include an instance initializer in the anonymous class. For example:
public class Test {
public static void main(String[] args) t...
Purpose of returning by const value? [duplicate]
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In the hypothetical situation where you could perform a potentially expensive non-const operation on an object, returning by const-value prevents you from accidentally calling this operation on a temporary. Imagine that + returned a non-const value, and you could write:
(a ...
Understanding :source option of has_one/has_many through of Rails
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Sometimes, you want to use different names for different associations. If the name you want to use for an association on the model isn't the same as the assocation on the :through model, you can use :source to specify it.
I don't think the above paragraph is much clea...