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what exactly is device pixel ratio?
this is mentioned every article about mobile web, but nowhere I can found an explanation of what exactly does this attribute measure.
Can anyone please elaborate what does queries like this check?
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How to access the local Django webserver from outside world
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@S.Lott: Oh thank you. I know, it was in my mind as wrote it but somehow didn't make it to the keyboard ;)
– Felix Kling
Feb 14 '10 at 12:07
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Using getResources() in non-activity class
...be GCed due to this other static object. So yes, it can be dangerous, but knowing why it is dangerous I feel is important to mention here.
– Dororo
Feb 4 '14 at 9:09
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Should I use tag for icons instead of ? [closed]
...te, but came across this page when pondering it myself. Of course I don't know how Facebook or Twitter justified it, but here is my own thought process for what it's worth.
In the end, I concluded that this practice is not that unsemantic (is that a word?). In fact, besides shortness and the nice ...
UILabel - auto-size label to fit text?
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@Zeezer do you know why?
– FurloSK
Jul 15 '15 at 10:10
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Javascript swap array elements
...r belts:
Given the array arr = [1,2,3,4], you can swap values in one line now like so:
[arr[0], arr[1]] = [arr[1], arr[0]];
This would produce the array [2,1,3,4]. This is destructuring assignment.
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typeof !== “undefined” vs. != null
...e would use the !== or === operators when comparing a value whose type is known to be a string.
– Nicolas Rinaudo
Aug 30 '13 at 7:38
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Rails: update_attribute vs update_attributes
...nd(name.to_s + '=', value)
2616: save(false)
2617: end
and now refer update_attributes and look at its code you get
# File vendor/rails/activerecord/lib/active_record/base.rb, line 2621
2621: def update_attributes(attributes)
2622: self.attributes = attributes
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Checkstyle vs. PMD
...you towards downright bad practices. To be avoided at all cost unless you know very well which warnings are valid and which aren't.
– DPM
Mar 23 '12 at 19:34
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How can I maximize the editor pane in IntelliJ IDEA?
...IntelliJ IDEA 14.0.3 on MacOS X.
UPDATE on 2015-03-24:
IntelliJ IDEA 14.1 now has support for Distraction Free Mode. You can invoke it by clicking View > Enter Distraction Free Mode. In this mode, IntelliJ hides everything but the menu. For more details, follow their video detailing the new feat...