StackOverflow2013

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plurals

PO
primarykey
Id
11667596
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2012-07-26T10:44:14.897
FavoriteCount
0
LastActivityDate
2012-07-26T10:44:14.897
LastEditDate
LastEditorUserId
0
OwnerUserId
1554020
ParentId
11666887
PostTypeId
2
Score
2
ViewCount
0
LastEditorDisplayName
text
Body
In C++11 you can place static instance inside a static function: <pre><code>class S { private: S(); S(S const&); S& operator=(S const&); public: static S& getInstance () { static S singleObject; return singleObject; } }; </code></pre> According to paragraph 6.7.4 of the Standard: <blockquote> The zero-initialization (8.5) of all block-scope variables with static storage duration (3.7.1) or thread storage duration (3.7.2) is performed before any other initialization takes place. Constant initialization (3.6.2) of a block-scope entity with static storage duration, if applicable, is performed before its block is first entered. An implementation is permitted to perform early initialization of other block-scope variables with static or thread storage duration under the same conditions that an implementation is permitted to statically initialize a variable with static or thread storage duration in namespace scope (3.6.2). Otherwise such a variable is initialized the first time control passes through its declaration; such a variable is considered initialized upon the completion of its initialization. If the initialization exits by throwing an exception, the initialization is not complete, so it will be tried again the next time control enters the declaration. If control enters the declaration concurrently while the variable is being initialized, the concurrent execution shall wait for completion of the initialization. If control re-enters the declaration recursively while the variable is being initialized, the behavior is undefined. </blockquote>
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PostParentId
1. POSingleton threadsafe class
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UserOwnerUserId
1. USyuri kilochek
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2. VO
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