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Some font-size's rendered larger on Safari (iPhone)

...Ems are scalable in nature, so 2em would equal 24pt, .5em would equal 6pt, etc. Ems are becoming increasingly popular in web documents due to scalability and their mobile-device-friendly nature. Pixels (px): Pixels are fixed-size units that are used in screen media (i.e. to be read on the computer s...
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Unable to create/open lock file: /data/mongod.lock errno:13 Permission denied

...tp://d36cz9buwru1tt.cloudfront.net/AWS_NoSQL_MongoDB.pdf Mongodb path in /etc/mongodb.conf was set to /var/lib/mongodb (primary install location and working). When I changed to /data/db (EBS volume) I was getting 'errno:13 Permission denied'. First I ran sudo service mongodb stop. Then I used ls ...
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Webrick as production server vs. Thin or Unicorn?

...(in particular, pre-forking, life cycle management, asynchronous handling, etc), redirects, rewriting, etc When I mention redirects/rewrites, I'm referring to the fact that using Webrick, you have to handle rewrites at a different layer (Rack, Sinatra, Rails, custom Webrick code, etc). This requir...
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htaccess Access-Control-Allow-Origin

... headers of course after any changes in Apache you have to restart it: /etc/init.d/apache2 restart Then you can use <IfModule mod_headers.c> Header set Access-Control-Allow-Origin "*" </IfModule> And if mod_headers is not active, this line will do nothing at all. You can try ...
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View's getWidth() and getHeight() returns 0

...unnable. This basically queues your code after the view's measure, layout, etc. as stated by Romain Guy: The UI event queue will process events in order. After setContentView() is invoked, the event queue will contain a message asking for a relayout, so anything you post to the queue will happen af...
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What is the difference between service, directive and module?

... wire up a number of other things, such as directives, services, constants etc. Modules can be injected into other modules giving you a high level of reuse. When writing an angular app, you would have a top-level module which is your application code (without templates). Services are mainly a way...
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What is the difference between JavaScript and ECMAScript?

... between JavaScript and ECMAScript versions, e.g. ES5 corresponds to JS1.5 etc. ah I found it: en.wikipedia.org/wiki/JavaScript#Versions – Sam Joseph Oct 6 '12 at 17:35 ...
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How to enable curl, installed Ubuntu LAMP stack?

... should restart the web server with one of the following commands, sudo /etc/init.d/apache2 restart OR sudo service apache2 restart share | improve this answer | follow ...
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What is the best django model field to use to represent a US dollar amount?

... show it to the final user in the representation that you want (BTC, mBTC, etc) – jion Jan 21 '18 at 6:01 ...
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Is there a way for multiple processes to share a listening socket?

...annot bind(); just the original parent process would call bind(), listen() etc, the child processes would just process requests by accept(), send(), recv() etc. share | improve this answer ...