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Non-static variable cannot be referenced from a static context

... class and an instance of that class. If you see a car on the street, you know immediately that it's a car even if you can't see which model or type. This is because you compare what you see with the class "car". The class contains which is similar to all cars. Think of it as a template or an idea. ...
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jQuery get input value after keypress

... Works, but with jquery 2.x out this is out of date now as the answer below using the on and input is the best way to do it now. – Piotr Kula Jul 16 '14 at 16:14 ...
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How to find files that match a wildcard string in Java?

... Okay, now you've gotten to exactly where Jason S was when he posted the question. – Michael Myers♦ Apr 27 '09 at 20:22 ...
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ActiveRecord OR query

...s noted in this pull request https://github.com/rails/rails/pull/9052 For now, simply sticking with the following works great: Foo.where('foo= ? OR bar= ?', 'bar', 'bar') Update: According to https://github.com/rails/rails/pull/16052 the or feature will be available in Rails 5 Update: Feature h...
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How to request Google to re-crawl my website? [closed]

Does someone know a way to request Google to re-crawl a website? If possible, this shouldn't last months. My site is showing an old title in Google's search results. How can I show it with the correct title and description? ...
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Are PHP functions case sensitive?

... . '.php'; if (file_exists($filename)) { require($filename); } } Now with this code: $a = new something(); // works $b = new SomeThing(); // does not work $c = new SOMETHING(); // does not work You may made this work (ie. having effectively case insensitive class names using an autoload...
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How do I “commit” changes in a git submodule? [duplicate]

...t up a git submodule and treated it like a Subversion external - i.e. it's now full of changes that I've just realized haven't been committed or pushed anywhere. ...
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Difference between “and” and && in Ruby?

... Actually the guide now says to avoid and/or completely, and they might have a point. Often their usage in control flow could be more obviously written with if/unless operators anyway (e.g. document.save! unless document.saved?) ...
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Why can't C++ be parsed with a LR(1) parser?

...ter to type x It can be a multiply of x and y, throwing away the answer. Now, you might think the latter is stupid and should be ignored. Most would agree with you; however, there are cases where it might have a side effect (e.g., if multiply is overloaded). but that isn't the point. The point is ...
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git diff between cloned and original remote repository

...und/foo/bar.py @@ -1,27 +1,29 @@ - This line is wrong + This line is fixed now - yea! + And I added this line too. Commit locally. $ git commit foo/bar.py -m"I changed stuff" [myfork 9f31ff7] I changed stuff 1 files changed, 2 insertions(+), 1 deletions(-) Now, I'm different than my remote (on ...