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Maintain the aspect ratio of a div with CSS

...e a 3px by 2px image. It may work under some circumstances, but I haven't tested it, and it would probably be a good idea to avoid. You should probably already have a minimum width like this defined for fluid elements of your web site. If not, it is a good idea to do so in order to avoid choppi...
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how to set a value for a span using JQuery

... You can do: $("#submittername").text("testing"); or $("#submittername").html("testing <b>1 2 3</b>"); share | improve this answer | ...
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Do NSUserDefaults persist through an Update to an app in the Appstore?

...vents and had relied on them being reset when the app is installed. All my testing on the iPhone device (and Apples testing) tested the app as a new install. Without any documentation or way to test as an update I was unable to repeat the update crash all our customers are now experiencing. To sum u...
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How many files can I put in a directory?

... Contradicting the opinion of most others, I want to confirm this answer. We have hundreds of thousands of images in our social network website. In order to improve the performance we were forced to have 100 (or 1000 for some files) sub directories and distribute the files into...
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Sync data between Android App and webserver [closed]

...ects are successfully synchronized. You can also use a boolean variable to confirm the synchronization status, i.e. last time of sync. It will be helpful for end users to identify the time when last sync is done. Need to have a way to communicate from the server to the device to start a sync sessio...
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Running a command in a Grunt Task

...s: grunt-shell example: shell: { make_directory: { command: 'mkdir test' } } or grunt-exec example: exec: { remove_logs: { command: 'rm -f *.log' }, list_files: { command: 'ls -l **', stdout: true }, echo_grunt_version: { command: function(grunt) { return 'echo...
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Which characters are valid/invalid in a JSON key name?

... @mtraceur I was wondering the same thing. I tested in chrome's console and it doesn't like a key with null terminators in it. puu.sh/zJMIS/3d15c6d8e5.png It may not be mentioned in the spec, but don't expect parsers to accept it. best to avoid any ascii control charac...
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How to get subarray from array?

... 1 - (end * -1)); }; Then: var bigArr = ["a", "b", "c", "fd", "ze"]; Test1: bigArr.subarray(1, -1); < ["b", "c", "fd", "ze"] Test2: bigArr.subarray(2, -2); < ["c", "fd"] Test3: bigArr.subarray(2); < ["c", "fd","ze"] Might be easier for developers coming from another langu...
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class

...a single object. Example: class SomeClass class << self def test end end end test_obj = SomeClass.new def test_obj.test_2 end class << test_obj def test_3 end end puts "Singleton's methods of SomeClass" puts SomeClass.singleton_methods puts '-----------------------...
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How to make MySQL handle UTF-8 properly

... See the "Server Character Set and Collation" page in the MySQL manual for confirmation: dev.mysql.com/doc/refman/5.1/en/charset-server.html – Animism Jan 11 '14 at 15:57 ...