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Validate that a string is a positive integer
I would like the simplest fail-safe test to check that a string in JavaScript is a positive integer.
13 Answers
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Accessing Object Memory Address
When you call the object.__repr__() method in Python you get something like this back:
9 Answers
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How to npm install to a specified directory?
Is it possible to specify a target directory when running npm install <package> ?
4 Answers
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Lambda Expression and generic method
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You can't use a lambda expression for a functional interface, if the method in the functional interface has type parameters. See section §15.27.3 in JLS8:
A lambda expression is compatible [..] with a target type T if T is a functional int...
Android: How can I get the current foreground activity (from a service)?
Is there a native android way to get a reference to the currently running Activity from a service?
12 Answers
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Visual Studio - Shortcut to Navigate to Solution Explorer
Is there a keyboard shortcut in Visual Studio (aside from CTRL + TAB and selection) that would take me from inside a document directly into the solution explorer? I don't want to customize any shortcuts or change any default behavior.
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Why do Java webapps use .do extension? Where did it come from?
...n for their web controller (MVC) resources. Example: http://example.com/register.do
3 Answers
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git: switch branch without detaching head
I have a repository on github with a main branch (master) and a branch for some experimental work. I made some commits and pushed to the experimental branch and everything was fine.
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How do I declare a 2d array in C++ using new?
How do i declare a 2d array using new?
24 Answers
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When should std::move be used on a function return value? [duplicate]
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In the case of return std::move(foo); the move is superfluous because of 12.8/32:
When the criteria for elision of a copy operation are met or would be
met save for the fact that the source object is a function parameter,
and the object to be copied is designated by an lvalue, o...