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getting exception “IllegalStateException: Can not perform this action after onSaveInstanceState”

I have a Live Android application, and from market i have received following stack trace and i have no idea why its happening as its not happening in application code but its getting caused by some or the other event from the application (assumption) ...
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What is the difference between required and ng-required?

What is the difference between required and ng-required (form validation)? 3 Answers ...
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What's the difference between io.sockets.emit and broadcast?

... var channelOptions = { tags: "".split(" "), id: "1" }; initTagRenderer("".split(" "), "".split(" "), channelOptions); StackExchange.using("externalEditor", function() { // Have to fire editor after snippets, if snippets enabled...
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How do you reference a capture group with regex find and replace in Visual Studio 2012, 2013, 2015,

... var channelOptions = { tags: "".split(" "), id: "1" }; initTagRenderer("".split(" "), "".split(" "), channelOptions); StackExchange.using("externalEditor", function() { // Have to fire editor after snippets, if snippets enabled...
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Newline in JLabel

...nded in the new version of HTML to leave it as <br>. It's called a void tag. <br /> still works for backwards compatibility. – gsingh2011 Apr 27 '12 at 3:50 ...
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instanceof Vs getClass( )

... things. instanceof tests whether the object reference on the left-hand side (LHS) is an instance of the type on the right-hand side (RHS) or some subtype. getClass() == ... tests whether the types are identical. So the recommendation is to ignore the performance issue and use the alternative th...
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Java regex capturing groups indexes

..., apart from grouping, will also record the text matched by the pattern inside the capturing group (pattern). Using your example, (.*):, .* matches ABC and : matches :, and since .* is inside capturing group (.*), the text ABC is recorded for the capturing group 1. Group number The whole pattern i...
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Two divs, one fixed width, the other, the rest

... See: http://jsfiddle.net/SpSjL/ (adjust the browser's width) HTML: <div class="right"></div> <div class="left"></div> CSS: .left { overflow: hidden; min-height: 50px; border: 2px dashed #f0f; } .rig...
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Why does the lock object have to be static?

...atic shared data (and hence need static lock, also refactoring may be good idea instead), same for static... – Alexei Levenkov Dec 22 '17 at 16:22 ...
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How to check if a variable exists in a FreeMarker template?

...if it exists. I think that checking for existence and emptiness is a good idea in a lot of cases, and makes your template more robust and less prone to silly errors. In other words, if you check to make sure your variable is not null AND not empty before using it, then your template becomes more f...