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How does the new automatic reference counting mechanism work?
Can someone briefly explain to me how ARC works? I know it's different from Garbage Collection, but I was just wondering exactly how it worked.
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Is there a case insensitive jQuery :contains selector?
Is there a case insensitive version of the :contains jQuery selector or should I do the work manually by looping over all elements and comparing their .text() to my string?
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How to clear https proxy setting of NPM?
... I search a lot, but all post I got is mainly about how to set proxy in corporate network.
32 Answers
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Getting the docstring from a function
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Interactively, you can display it with
help(my_func)
Or from code you can retrieve it with
my_func.__doc__
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How do I enable EF migrations for multiple contexts to separate databases?
How do I enable Entity Framework 5 (version 5.0.0) migrations for multiple DB contexts in the same project, where each context corresponds to its own database? When I run Enable-Migrations in the PM console (Visual Studio 2012), there's an error because of there being multiple contexts:
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How to get JS variable to retain value after page refresh? [duplicate]
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This is possible with window.localStorage or window.sessionStorage. The difference is that sessionStorage lasts for as long as the browser stays open, localStorage survives past browser restarts. The persistence applies to the entire web site not just a single...
Plain Old CLR Object vs Data Transfer Object
POCO = Plain Old CLR (or better: Class) Object
10 Answers
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Static/Dynamic vs Strong/Weak
... difference is eludes me. Different sources seem to use different meanings or even use the terms interchangeably. I can't find somewhere that talks about both and actually spells out the difference. What would be nice is if someone could please spell this out clearly here for me and the rest of the ...
Going to a specific line number using Less in Unix
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... and don't hit enter after g, or you will jump one further line.
– HongboZhu
Jan 14 at 11:28
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What is a 'semantic predicate' in ANTLR?
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ANTLR 4
For predicates in ANTLR 4, checkout these stackoverflow Q&A's:
Syntax of semantic predicates in Antlr4
Semantic predicates in ANTLR4?
ANTLR 3
A semantic predicate is a way to enforce extra (semantic) rules upon gram...