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How to wait for several Futures?

...]):Future[List[Any]] = { val fut = if (futures.size == 1) futures.head._2 else Future.firstCompletedOf(futures.values) fut onComplete{ case Success(value) if (futures.size == 1)=> prom.success(value :: values) case Success(value) => processFutures(fut...
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Why does GCC generate 15-20% faster code if I optimize for size instead of speed?

...ssembly from gcc-4.6.4 -Os (executes in 0.709 secs): 00000000004004d2 <_ZL3addRKiS0_.isra.0>: 4004d2: 8d 04 37 lea eax,[rdi+rsi*1] 4004d5: c3 ret 00000000004004d6 <_ZL4workii>: 4004d6: 41 55 push r13 4...
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How do you get a query string on Flask?

... as with a dict and .get, you'd just get None. – JPEG_ Oct 23 '16 at 8:46 5 @LyndsySimon: Well sp...
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decorators in the python standard lib (@deprecated specifically)

...ed when the function is used.""" @functools.wraps(func) def new_func(*args, **kwargs): warnings.simplefilter('always', DeprecationWarning) # turn off filter warnings.warn("Call to deprecated function {}.".format(func.__name__), category=DeprecationW...
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Getter and Setter?

... You can use php magic methods __get and __set. <?php class MyClass { private $firstField; private $secondField; public function __get($property) { if (property_exists($this, $property)) { return $this->$property; } } publi...
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performSelector may cause a leak because its selector is unknown

... should simply be ignored, and it's easy to work around. Here's how: if (!_controller) { return; } SEL selector = NSSelectorFromString(@"someMethod"); IMP imp = [_controller methodForSelector:selector]; void (*func)(id, SEL) = (void *)imp; func(_controller, selector); Or more tersely (though hard...
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Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...blic class ContactRepository : IContactRepository { MongoServer _server = null; MongoDatabase _database = null; MongoCollection _contacts = null; public ContactRepository(string connection) { if (string.IsNullOrWhiteSpace(connection)) ...
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Complete Working Sample of the Gmail Three-Fragment Animation Scenario?

...le,move]. Notice that fillAfter(true) is not used anywhere. View2 is right_of View1 and View3 is right_of View2 Having set these rules RelativeLayout takes care of everything else. Animations alter the margins (on move) and [width,height] on scale To access each child (so that you can inflat...
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How to use Single TextWatcher for multiple EditTexts?

...rSequence, int i, int i1, int i2) { if(charSequence.hashCode() == first_edit_text.getText().hashCode()){ // do other things } if(charSequence.hashCode() == second_edit_text.getText().hashCode()){ // do other things } } Or If you want to use afterTextChanged comp...
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No module named _sqlite3

... My _sqlite3.so is in /usr/lib/python2.5/lib-dynload/_sqlite3.so. Judging from your paths, you should have the file /usr/local/lib/python2.5/lib-dynload/_sqlite3.so. Try the following: find /usr/local -name _sqlite3.so If th...