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Error : BinderProxy@45d459c0 is not valid; is your activity running?

...the activity actually was already on the screen. Moreover, deserialization allocates memory for new object, that is completely different from the original one. The solution is just to bind to the service each time you need it and return a binder that has a method like 'setMessenger(Messenger messen...
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The most sophisticated way for creating comma-separated Strings from a Collection/Array/List?

...ode. The StringBuilder class can be seen as a mutable String object which allocates more memory when its content is altered. The original suggestion in the question can be written even more clearly and efficiently, by taking care of the redundant trailing comma: StringBuilder result = new Str...
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Diff output from two programs without temporary files

...ith a Java program and got this error: -bash: syntax error near unexpected token ('. I tried again without parenthesis and got -bash: java: No such file or directory. Does it not work if the command has parameters? – styfle Oct 27 '11 at 6:02 ...
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How do I pass command-line arguments to a WinForms application?

...nt is equal to String.Empty. The remaining elements contain any additional tokens entered on the command line. – EKanadily Apr 2 '14 at 7:15 ...
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Passing an Array as Arguments, not an Array, in PHP

... As has been mentioned, as of PHP 5.6+ you can (should!) use the ... token (aka "splat operator", part of the variadic functions functionality) to easily call a function with an array of arguments: <?php function variadic($arg1, $arg2) { // Do stuff echo $arg1.' '.$arg2; } $array ...
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When to use StringBuilder in Java [duplicate]

...te code. Also I was a bit sceptic about big performance increase as object allocation is so cheap now. HOWEVER switching to explicit StringBuilder 1 instance gave me 0-1ms from ~120ms on 1000 iterations. So StringBuilder is still necessary for critical places in similar cases. –...
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Static linking vs dynamic linking

...us having to track problems at customer site because the wrong version was token. My conclusion is that I'd used static linking excepted:
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Should I use 'has_key()' or 'in' on Python dicts?

...() must construct and destroy a temporary object, complete with the memory allocation that entails, where x in d.keys() is just doing an arithmetic operation (computing the hash) and doing a lookup. Note that d.keys() is only about 10 times as long as this, which is still not long really. I haven't ...
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Loaded nib but the 'view' outlet was not set

...he rolling code: PTFilterUserVC *aFilterUserVC = [[PTFilterUserVC alloc] initWithNibName:@"FilterVC" bundle:nil]; //OPTIONAL.This is how 'I' am interested in present the view controller. [self.navigationController pushViewController:aFilterUserVC animated:YES]; ...
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Extract digits from a string in Java

...der constructor (such as input.length()) to ensure that it won't need to reallocate. You don't need to demand a String here; CharSequence suffices. Also, you can separate the allocation of the StringBuilder from the collection of non-digits by writing a separate function that accepts a CharSequence ...