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What are Transient and Volatile Modifiers?

...e the field when serializing an instance of the class. When the object is then deserialized, the field will be initialized to the default value; i.e. null for a reference type, and zero or false for a primitive type. Note that the JLS (see 8.3.1.3) does not say what transient means, but defers to t...
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Differences between std::make_unique and std::unique_ptr with new

...e_ptr<T>(...). Obviously if function_that_can_throw actually throws then you leak. make_unique prevents this case. So, my question is answered. – Dan Nissenbaum Mar 3 '16 at 14:35 ...
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What is the most ridiculous pessimization you've seen? [closed]

...to grab a 16-bit value the CPU had to make a 32-bit wide memory access and then mask out or shift the bits not needed for the 16-bit value. share | improve this answer | foll...
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How do you find the row count for all your tables in Postgres

...XML with the result (the row count for that table). The outer xpath() will then extract the count information from that xml and convert it to a number The derived table is not really necessary, but makes the xpath() a bit easier to understand - otherwise the whole query_to_xml() would need to be pa...
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Do I need a content-type header for HTTP GET requests?

...s, which say which types of content the client understands. The server can then use that to decide which content type to send back. They're optional though. http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.1 sh...
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Technically, why are processes in Erlang more efficient than OS threads?

...entation of Erlang on top of the JVM (not a particularly crazy suggestion) then you'd make each Erlang process be an object with some state. You'd then have a pool of Thread instances (typically sized according to the number of cores in your host system; that's a tunable parameter in real Erlang run...
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Does List guarantee insertion order?

...dexes get updated. So you remove item 0 first, leaving 0 1 2 C A E Then you insert at 3 0 1 2 3 C A E K To get the correct result, you should have used index 2. To make things consistent, you will need to send to (indexToMoveTo-1) if indexToMoveTo > indexToMove, e.g. bool moveUp...
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When exactly are onSaveInstanceState() and onRestoreInstanceState() called?

... Then, what is recommended, saving a data structure in onPause and restoring it in onResume instead in onSaveInstanceState and onRestoreInstanceState? – Gödel77 Jul 8 '15 at 13:48 ...
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What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack

... OK then. I'm no expert on the standard - I think that others have covered it in some detail above. If anyone cares to comment on the the Microsoft problem report then it might raise its priority. The report shows clang and gcc a...
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AngularJS: Injecting service into a HTTP interceptor (Circular dependency)

I'm trying to write a HTTP interceptor for my AngularJS app to handle authentication. 5 Answers ...