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What are the Ruby Gotchas a newbie should be warned about? [closed]
I have recently learned the Ruby programming language, and all in all it is a good language. But I was quite surprised to see that it was not as simple as I had expected. More precisely, the "rule of least-surprise" did not seem very respected to me (of course this is quite subjective). For examp...
How do you perform a left outer join using linq extension methods
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For a (left outer) join of a table Bar with a table Foo on Foo.Foo_Id = Bar.Foo_Id in lambda notation:
var qry = Foo.GroupJoin(
Bar,
foo => foo.Foo_Id,
bar => bar.Foo_Id,
(x,y) => new { Foo = x, Bars = y }...
Generic deep diff between two objects
I have two objects: oldObj and newObj .
20 Answers
20
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Why does one use dependency injection?
...; I hardly write virtual functions and interfaces (although I do once in a blue moon) and all my configuration is magically serialized into a class using json.net (sometimes using an XML serializer).
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what is .netrwhist?
When I edit files in my ~/.vim , the .netrwhist file would mysteriously be changed, too.
4 Answers
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Detach many subdirectories into a new, separate Git repository
This question is based on Detach subdirectory into separate Git repository
10 Answers
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Breakpoint on property change
Firebug for Firefox has a nice feature, called "Break on property change", where I can mark any property of any object, and it will stop JavaScript execution right before the change.
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Count number of occurrences of a pattern in a file (even on same line)
When searching for number of occurrences of a string in a file, I generally use:
5 Answers
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How do I print debug messages in the Google Chrome JavaScript Console?
How do I print debug messages in the Google Chrome JavaScript Console?
14 Answers
14
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How do I toggle an element's class in pure JavaScript?
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2014 answer: classList.toggle() is the standard and supported by most browsers.
Older browsers can use use classlist.js for classList.toggle():
var menu = document.querySelector('.menu') // Using a class instead, see note below.
menu.classList.toggle('hidden-phone');
As an aside, y...