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Финал Гран-при России проходит в Челябинске. Фигуристы покажут произвольную программу 9 марта.
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第五十一章 加强国家安全体系和能力建设
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SummaryIf you want to have good performance for your singleton implementation and you need to provide a constructor, you should go for the static data member implementation. In case you can default the default constructor, the two implementation strategies are equivalent performancewise. I would suggest using the block local approach as it saves having to define and initialize the singleton object in an implementation file.
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