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Java - No enclosing instance of type Foo is accessible

...e Hello class. In your code, you're trying to create an instance of Thing from a static context. That is what the compiler is complaining about. There are a few possible solutions. Which solution to use depends on what you want to achieve. Move Thing out of the Hello class. Change Thing to be a ...
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Does height and width not apply to span?

...d image. In this case a div would actually be more appropriate. -1 removed from Isaac's original comment. – Brian Scott Mar 22 '10 at 15:15 ...
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Print all day-dates between two dates [duplicate]

... I came up with this: from datetime import date, timedelta sdate = date(2008, 8, 15) # start date edate = date(2008, 9, 15) # end date delta = edate - sdate # as timedelta for i in range(delta.days + 1): day = sdate + timedelta(da...
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Initialize class fields in constructor or at declaration?

... Really? I swear I grabbed this info from Richter's CLR via C# (2nd edition I think) and the gist of it was that this was syntactic sugar (I may have read it wrong?) and the CLR just jammed the variables into the constructor. But you're stating that this isn't t...
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How to secure database passwords in PHP?

...prefer using a database account that is only allowed to acces the database from the web server. And then I don't bother encrypting the configuration, I just store it outside the web root. – gnud Apr 25 '09 at 8:01 ...
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decorators in the python standard lib (@deprecated specifically)

... Here's some snippet, modified from those cited by Leandro: import warnings import functools def deprecated(func): """This is a decorator which can be used to mark functions as deprecated. It will result in a warning being emitted when the fu...
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wkhtmltopdf: cannot connect to X server

... or try this (from http://drupal.org/node/870058) Download wkhtmltopdf. Or better install it with a package manager: sudo apt-get install wkhtmltopdf Extract it and move it to /usr/local/bin/ Rename it to wkhtmltopdf so that now you ha...
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What do the parentheses around a function name mean?

...e foo(x) ... Using (foo) in the function declaration prevents this macro from being expanded here. So what is likely happening is that a function foo() is being defined with its body being expanded from the function-like macro foo. ...
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Should I put the Google Analytics JS in the or at the end of ?

...before they added support for handling partial loading of pages. Directly from Google: One of the main advantages of the asynchronous snippet is that you can position it at the top of the HTML document. This increases the likelihood that the tracking beacon will be sent before the use...
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How to check if hex color is “too black”?

...es greater than 128 are considered light by tinycolor. (shamelessly copied from the comments by @pau.moreno and @Alnitak) share | improve this answer | follow ...