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How do I uniquely identify computers visiting my web site?

...ngerprinting method for recognising a user with a high level of accuracy: https://panopticlick.eff.org/static/browser-uniqueness.pdf We investigate the degree to which modern web browsers are subject to “device fingerprinting” via the version and configuration information...
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How to add anything in through jquery/javascript?

...on.id = 'myFavicon'; favicon.rel = 'shortcut icon'; favicon.href = 'http://www.test.com/my-favicon.ico'; document.head.appendChild(favicon); share | improve this answer | f...
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Rails: update_attribute vs update_attributes

...ils 4) update_attribute, update, update_column, update_columns etc. http://www.davidverhasselt.com/set-attributes-in-activerecord/. For example it differs in aspects such as running validations, touching object's updated_at or triggering callbacks. As an answer to the OP's question update_attribute...
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How to use the new affix plugin in twitter's bootstrap 2.1.0?

... event when an object is affixed or unaffixed. Here is the pull request: https://github.com/twitter/bootstrap/pull/4712 And the code: https://github.com/corbinu/bootstrap/blob/master/js/bootstrap-affix.js And then do this to attach the navbar: <script type="text/javascript"> $(function(){...
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Cannot create or edit Android Virtual Devices (AVD) from Eclipse, ADT 22.6

...roblems. Also tested under Debian and same results obtained. Update 5 At https://code.google.com/p/android/issues/detail?id=66661 android project members conforms the problems and promises to fix by upcoming versions of ADT (22.6.1 - 22.6.3). At the mean time I would suggest to roll-back ADT to a ...
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SVN checkout ignore folder

...folder for exclusion then delete the unwanted folder. svn checkout http://www.example.com/project cd project svn update --set-depth=exclude docs rm -fr docs From now on any updates to the working copy won't repopulate the docs folder. See http://blogs.collab.net/subversion/2009/03/sparse-directo...
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How to go to a specific element on page? [duplicate]

... works in an IFrame on an iPhone. Example of using getElementById: http://www.w3schools.com/jsref/tryit.asp?filename=tryjsref_document_getelementbyid share | improve this answer | ...
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How to detect responsive breakpoints of Twitter Bootstrap 3 using JavaScript?

...ive breakpoint in Bootstrap * @returns {string} * @author farside {@link https://stackoverflow.com/users/4354249/farside} */ function getResponsiveBreakpoint() { var envs = {xs:"d-none", sm:"d-sm-none", md:"d-md-none", lg:"d-lg-none", xl:"d-xl-none"}; var env = ""; var $el = $("<d...
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Is there a way to automatically build the package.json file for Node.js projects

...on files for you! It comes bundled with npm. Read its documentation here: https://docs.npmjs.com/cli/init Also, there's an official tool you can use to generate this file programmatically: https://github.com/npm/init-package-json ...
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How to write into a file in PHP?

...e $select = "data what we trying to store in a file"; $file = fopen("/var/www/htdocs/folder/test.txt", "a"); fwrite($file , $select->__toString()); fclose($file ); share | improve this a...