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List vs List
...t not of the subtype that set's objects are declared to be at the caller's site. So this could break the type system if it were possible.)
Now here come generics to the rescue, because it works as intended if I use this method signature instead:
<T extends A> void myMethod(Set<T> set)
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How can I access “static” class variables within class methods in Python?
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As with all good examples, you've simplified what you're actually trying to do. This is good, but it is worth noting that python has a lot of flexibility when it comes to class versus instance variables. The same can be said of meth...
Wildcards in jQuery selectors
I'm trying to use a wildcard to get the id of all the elements whose id begin with "jander". I tried $('#jander*') , $('#jander%') but it doesn't work..
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Only read selected columns
...g","Sep","Oct","Nov","Dec"))
dat <- fread("data.txt", drop = c(8:13))
All result in:
> data
Year Jan Feb Mar Apr May Jun
1 2009 -41 -27 -25 -31 -31 -39
2 2010 -41 -27 -25 -31 -31 -39
3 2011 -21 -27 -2 -6 -10 -32
UPDATE: When you don't want fread to return a data.table, use the data.ta...
How to list variables declared in script in bash?
... I have to make something to save them to file.
My question is how to list all variables declared in my script and get list like this:
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Why are C# 4 optional parameters defined on interface not enforced on implementing class?
...ls the compiler to insert the default value for that parameter at the call-site.
The call obj2.TestMethod(); is replaced by obj2.TestMethod(false); when the C# code gets compiled to IL, and not at JIT-time.
So in a way it's always the caller providing the default value with optional parameters. Th...
Using javadoc for Python documentation [closed]
... from the Napolean documentation linked above.
A comprehensive example on all types of docstrings here.
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How can I fix the Microsoft Visual Studio error: “package did not load correctly”?
I installed Visual Studio 2012 and DevExpress 13.1. As Visual Studio started, it generated an error shown by this attached image,
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Unit testing private methods in C#
Visual Studio allows unit testing of private methods via an automatically generated accessor class. I have written a test of a private method that compiles successfully, but it fails at runtime. A fairly minimal version of the code and the test is:
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Regular Expression: Any character that is NOT a letter or number
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@sbmaxx I want to replace all except &, (, ) these characters. how could i add this condition in the current regex.
– K Pal
Feb 21 '19 at 11:24
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