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html5 localStorage error with Safari: “QUOTA_EXCEEDED_ERR: DOM Exception 22: An attempt was made to

My webapp have javascript errors in ios safari private browsing: 15 Answers 15 ...
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Vagrant error : Failed to mount folders in Linux guest

...itions_4.3.11-93070.iso‌​ sudo cp VBoxGuestAdditions_4.3.11-93070.iso /Applications/VirtualBox.app/Contents/MacOS/VBoxGuestAdditions.iso UPDATE (16may2014) Since the iso is no longer available, you can use the 4.3.12 one (http://dlc.sun.com.edgesuite.net/virtualbox/4.3.12/VBoxGuestAdditions_...
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Setup RSpec to test a gem (not Rails)

...with the added generator of rspec-rails to setup RSpec for testing a Rails application. But how about adding RSpec for testing a gem in development? I am not using jeweler or such tools. I just used Bundler ( bundle gem my_gem ) to setup the structure for the new gem and edit the *.gemspec manually....
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What should my Objective-C singleton look like? [closed]

... The thing is this is the Apple sample code for "creating a singleton". But yeah, you're absolutely right. – Colin Barrett Oct 23 '08 at 1:39 ...
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Defining custom attrs

... xmlns:whatever="http://schemas.android.com/apk/res-auto" Otherwise the application that uses the library will have runtime errors. share | improve this answer | follow ...
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In Python, what is the difference between “.append()” and “+= []”?

... For your case the only difference is performance: append is twice as fast. Python 3.0 (r30:67507, Dec 3 2008, 20:14:27) [MSC v.1500 32 bit (Intel)] on win32 Type "help", "copyright", "credits" or "license" for more information. >>> import timeit >>> timei...
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Eclipse executable launcher error: Unable to locate companion shared library

...eclipse had completely vanished - all the program files have completely disappeared. When I try to reinstall it, I get an error message that says ...
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How do I provide JVM arguments to VisualVM?

I'm using VisualVM from JDK 1.6.0_26 to profile a Java webapp running under Tomcat, but VisualVM often tells me that it doesn't have enough memory to take a snapshot, and to use the -Xmx switch to provide more memory to Netbeans. The problem is, I'm running VisualVM outside of Netbeans, so how can I...
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Rails layouts per action?

... You can use a method to set the layout. class MyController < ApplicationController layout :resolve_layout # ... private def resolve_layout case action_name when "new", "create" "some_layout" when "index" "other_layout" else "application" ...
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Unique fields that allow nulls in Django

...aggregates. It has been replaced with from_db_value(). Note that the new approach does not call the to_python() method on assignment as was the case with SubfieldBase. Therefore, as suggested by the from_db_value() documentation and this example, this solution must be changed to: class CharNull...