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How can I tell if a DOM element is visible in the current viewport?

...ou should use Dan's solution if you do not need to support version of Internet Explorer before 7. Original solution (now outdated): This will check if the element is entirely visible in the current viewport: function elementInViewport(el) { var top = el.offsetTop; var left = el.offsetLeft; ...
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What is the difference between URI, URL and URN? [duplicate]

...mples in the RFC3986: URL: ftp://ftp.is.co.za/rfc/rfc1808.txt URL: http://www.ietf.org/rfc/rfc2396.txt URL: ldap://[2001:db8::7]/c=GB?objectClass?one URL: mailto:John.Doe@example.com URL: news:comp.infosystems.www.servers.unix URL: telnet://192.0.2.16:80/ URN (not URL): urn:oasis:names:specificatio...
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“Add unimplemented methods” feature in the Android Studio

... but it's not as convenient. The source, should they ever change: https://www.jetbrains.com/idea/help/generating-constructors.html EDIT: or, for interfaces: https://www.jetbrains.com/idea/help/implementing-methods-of-an-interface.html and supers: https://www.jetbrains.com/idea/help/overriding-met...
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How can I clear event subscriptions in C#?

...ic TableNameMapperDelegate TableNameMapper; ? – Kiquenet Aug 5 at 9:29 add a comment  |  ...
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Using $_POST to get select option value from HTML

...'] A good place for more information would be the PHP manual: http://php.net/manual/en/tutorial.forms.php share | improve this answer | follow | ...
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What is the most appropriate way to store user settings in Android application

...available in API level 8 (2.2) and later. You can use iharder.sourceforge.net/current/java/base64 or something else for earlier OSs. – emmby Jun 20 '11 at 22:19 34 ...
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Convert hyphens to camel case (camelCase)

...tive hyphens or underscores Here's a link to live tests: http://jsfiddle.net/avKzf/2/ Here are results from tests: input: "ab-cd-ef", result: "abCdEf" input: "ab-cd-ef-", result: "abCdEf" input: "ab-cd-ef--", result: "abCdEf" input: "ab-cd--ef--", result: "abCdEf" input: "--ab-cd--ef--", result...
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Easy way to test a URL for 404 in PHP?

... If your running php5 you can use: $url = 'http://www.example.com'; print_r(get_headers($url, 1)); Alternatively with php4 a user has contributed the following: /** This is a modified version of code from "stuart at sixletterwords dot com", at 14-Sep-2005 04:52. This vers...
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Moment.js - how do I get the number of years since a date, not rounded up?

... http://jsfiddle.net/xR8t5/27/ if you do not want fraction values: var years = moment().diff('1981-01-01', 'years',false); alert( years); if you want fraction values: var years = moment().diff('1981-01-01', 'years',true); alert( years); ...
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What would be a good docker webdev workflow?

...tore data somewhere else anyway). docker run -v=/home/user/dev/cmsdir:/var/www/cmsdir:ro image /usr/sbin/apache2 Anyway, for final deployment, I would build and image using dockerfile with ADD /home/user/dev/cmsdir /var/www/cmsdir I don't know :-) ...