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What is the equivalent of the C++ Pair in Java?
Is there a good reason why there is no Pair<L,R> in Java? What would be the equivalent of this C++ construct? I would rather avoid reimplementing my own.
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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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Ruby Array find_first object?
Am I missing something in the Array documentation? I have an array which contains up to one object satisfying a certain criterion. I'd like to efficiently find that object. The best idea I have from the docs is this:
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How to specify the default error page in web.xml?
I am using <error-page> element in web.xml to specify the friendly error page when user encounters a certain error such as error with code of 404:
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Batch script: how to check for admin rights
How do I check if the current batch script has admin rights?
27 Answers
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Reasons that the passed Intent would be NULL in onStartCommand
Is there any other reason that the Intent that is passed to onStartCommand(Intent, int, int) would be NULL besides the system restarting the service via a flag such as START_STICKY ?
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Synchronise ScrollView scroll positions - android
I have 2 ScrollViews in my android layout. How can I synchronise their scroll positions?
4 Answers
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How can I build multiple submit buttons django form?
I have form with one input for email and two submit buttons to subscribe and unsubscribe from newsletter:
5 Answers
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jQuery empty() vs remove()
What's the difference between empty() and remove() methods in jQuery , and when we call any of these methods, the objects being created will be destroyed and memory released?
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Android: Access child views from a ListView
I need to find out the pixel position of one element in a list that's been displayed using a ListView . It seems like I should get one of the TextView's and then use getTop() , but I can't figure out how to get a child view of a ListView .
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