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Get the device width in javascript

...th property. Sometimes it's also useful to use window.innerWidth (not typically found on mobile devices) instead of screen width when dealing with desktop browsers where the window size is often less than the device screen size. Typically, when dealing with mobile devices AND desktop browsers I use...
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How to detect a textbox's content has changed

... The only downfall of 'input' is that it is not compatible with IE < 9. – Catfish Mar 21 '13 at 20:02 ...
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How to clear MemoryCache?

...clear it first. What is the quickest way to do this? Should I loop through all the items and remove them one at a time or is there a better way? ...
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Convert a Scala list to a tuple?

...e of Scala sequence using the +: syntax. Also, don't forget to add a catch-all – ig-dev Jun 19 '19 at 8:33 add a comment  |  ...
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How can I see the SQL that will be generated by a given ActiveRecord query in Ruby on Rails

...query has been issued, but I'm wondering if there is a method that can be called on and ActiveRecord Query. 11 Answers ...
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How to get input type using jquery?

...ns and some selects. The fiddle here: http://jsfiddle.net/pVBU8/1/ get all the inputs: var allInputs = $(":input"); get all the inputs type: allInputs.attr('type'); get the values: allInputs.val(); NOTE: .val() is NOT the same as :checked for those types where that is relevent. use: .a...
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What's the algorithm to calculate aspect ratio?

...re that's been changed from 16:9 to 5:4 - I still remember the incredibly tall, thin cowboys I used to watch in my youth on television before letter-boxing was introduced. You may be better off having one different image per aspect ratio and just resize the correct one for the actual screen dimensio...
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How to get instance variables in Python?

Is there a built-in method in Python to get an array of all a class' instance variables? For example, if I have this code: ...
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What is a good regular expression to match a URL? [duplicate]

... I changed your expression a bit so it will work in all cases i need, including uri with http:// or www "/([^\s\.]+\.[^\s]{2,}|www\.[^\s]+\.[^\s]{2,})/gi" – Ismael Jan 14 '15 at 11:08 ...
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setResult does not work when BACK button pressed

I am trying to setResult after the BACK button was pressed. I call in onDestroy 10 Answers ...