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C++STL容器使用经验总结 - C/C++ - 清泛网 - 专注C/C++及内核技术
...生的一个简单办法是使容器包含指针而不是对象。
第4条：调用empty而不是检查size()是否为0。
理由很简单：empty对所有的标准容器都是常数时间操作，而对一些list的实现，size耗费线性时间。
第5条：区间成员函数优先...
How do I set up a simple delegate to communicate between two view controllers?
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4 Answers
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ASP.NET Bundles how to disable minification
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14 Answers
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How do I read configuration settings from Symfony2 config.yml?
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194
Rather than defining contact_email within app.config, define it in a parameters entry:
paramete...
Schema for a multilanguage database
...sql efficiency much?
– Mithril
Feb 14 '14 at 3:22
1
@Mithril Either way you have 2 million rows. ...
How can I delay a method call for 1 second?
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edited Jan 30 '15 at 16:48
Lucas Gabriel Sánchez
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Is there any boolean type in Oracle databases?
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edited Oct 18 '16 at 5:44
KAD
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answered Sep 16...
How do you connect localhost in the Android emulator? [duplicate]
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448
Use 10.0.2.2 to access your actual machine.
As you've learned, when you use the emulator, loc...
What is the difference between association, aggregation and composition?
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For two objects, Foo and Bar the relationships can be defined
Association - I have a relation...
How do I remove code duplication between similar const and non-const member functions?
...ever possible," in Effective C++, 3d ed by Scott Meyers, ISBN-13: 9780321334879.
Here's Meyers' solution (simplified):
struct C {
const char & get() const {
return c;
}
char & get() {
return const_cast<char &>(static_cast<const C &>(*this).get());
}
...