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How do I auto-hide placeholder text upon focus using css or jquery?

This is done automatically for every browser except Chrome . 26 Answers 26 ...
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Why doesn't RecyclerView have onItemClickListener()?

...as exploring RecyclerView and I was surprised to see that RecyclerView does not have onItemClickListener() . 32 Answer...
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Domain Driven Design: Domain Service, Application Service

Can someone explain the difference between domain and application services by providing some examples? And, if a service is a domain service, would I put the actual implementation of this service within the domain assembly and if so, would I also inject repositories into that domain service? Some in...
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iOS UIImagePickerController result image orientation after upload

...o calculate the proper transformation to make the image upright. // We do it in 2 steps: Rotate if Left/Right/Down, and then flip if Mirrored. CGAffineTransform transform = CGAffineTransformIdentity; switch (self.imageOrientation) { case UIImageOrientationDown: case UIIm...
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Difference between setTimeout with and without quotes and parentheses

... noticed a strange figure which I didn’t run into before. They are using double quotes and then call the function. 6 Answ...
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How to map with index in Ruby?

...ator object, which you can call Enumerable methods like map on. So you can do: arr.each_with_index.map { |x,i| [x, i+2] } In 1.8.6 you can do: require 'enumerator' arr.enum_for(:each_with_index).map { |x,i| [x, i+2] } s...
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What's the difference between unit tests and integration tests? [duplicate]

...itten by the programmer to verify that a relatively small piece of code is doing what it is intended to do. They are narrow in scope, they should be easy to write and execute, and their effectiveness depends on what the programmer considers to be useful. The tests are intended for the use of the pro...
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Multiplication on command line terminal

... Yes, you can use bash's built-in Arithmetic Expansion $(( )) to do some simple maths $ echo "$((5 * 5))" 25 Check the Shell Arithmetic section in the Bash Reference Manual for a complete list of operators. For sake of completeness, as other pointed out, if you need arbitrary precision...
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Understanding MongoDB BSON Document size limit

...uations, it'll work great. And in the exception case or spam, I really don't think you'd want a 20mb object anyway. I think capping trackbacks as 15k or so makes a lot of sense no matter what for performance. Or at least special casing if it ever happens. -Eliot I think you'd be...
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getting exception “IllegalStateException: Can not perform this action after onSaveInstanceState”

...utState) { //No call for super(). Bug on API Level > 11. } I just do not make the call to .super() and everything works great. I hope this will save you some time. EDIT: after some more research, this is a known bug in the support package. If you need to save the instance, and add someth...