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Why did Rails4 drop support for “assets” group in the Gemfile
...piled and will be
served as static assets by your web server.
(Source: http://edgeguides.rubyonrails.org/asset_pipeline.html#in-production)
But many time you have to use these 'assets' gems in production... for example, if you use a js.coffee file in your views directory, then Rails needs coffe...
Can the :not() pseudo-class have multiple arguments?
...:
input:not([type="radio"]):not([type="checkbox"]) {
/* css here */
}
http://cssnext.io/features/#not-pseudo-class
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Imitating a blink tag with CSS3 animations
...t;blink</span>
You need browser/vendor specific prefixes: http://jsfiddle.net/es6e6/1/.
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How do I perform HTML decoding/encoding using Python/Django?
...codepoint['#39'] = 39
def unescape(s):
"unescape HTML code refs; c.f. http://wiki.python.org/moin/EscapingHtml"
return re.sub('&(%s);' % '|'.join(name2codepoint),
lambda m: unichr(name2codepoint[m.group(1)]), s)
For anything more complicated, I use BeautifulSoup.
...
Inline functions vs Preprocessor macros
...expressions passed as arguments to macros can be evaluated more than once.
http://msdn.microsoft.com/en-us/library/bf6bf4cf.aspx
macros are expanded at pre-compile time, you cannot use them for debugging, but you can use inline functions.
-- good article:
http://www.codeguru.com/forum/showpost.php...
Why does npm install say I have unmet dependencies?
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I believe it is because the dependency resolution is a bit broken, see https://github.com/npm/npm/issues/1341#issuecomment-20634338
Following are the possible solution :
Manually need to install the top-level modules, containing unmet dependencies:
npm install findup-sync@0.1.2
Re-structure y...
Global variables in AngularJS
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You've got basically 2 options for "global" variables:
use a $rootScope http://docs.angularjs.org/api/ng.$rootScope
use a service http://docs.angularjs.org/guide/services
$rootScope is a parent of all scopes so values exposed there will be visible in all templates and controllers. Using the $ro...
How to color System.out.println output? [duplicate]
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No, but there are third party API's that can handle it
http://www.javaworld.com/javaworld/javaqa/2002-12/02-qa-1220-console.html
Edit: of course there are newer articles than that one I posted, the information is still viable though.
...
Gradients in Internet Explorer 9
...ackground-image: linear-gradient(top, #444444 0%, #999999 100%);
Source: http://ie.microsoft.com/testdrive/Graphics/CSSGradientBackgroundMaker/Default.html
Note: all of these browsers also support rgb/rgba in place of hexadecimal notation.
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Check image width and height before upload with Javascript
...tURL(objectUrl);
};
img.src = objectUrl;
}
});
Demo: http://jsfiddle.net/4N6D9/1/
I take it you realize this is only supported in a few browsers. Mostly firefox and chrome, could be opera as well by now.
P.S. The URL.createObjectURL() method has been removed from the MediaStr...