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How do I use extern to share variables between source files?
...ferenced in other source files, such as file2.c.
It is important to understand the difference between defining a
variable and declaring a
variable:
A variable is declared when the compiler is informed that a
variable exists (and this is its type); it does not allocate the
storage for the variable a...
What are Aggregates and PODs and how/why are they special?
This FAQ is about Aggregates and PODs and covers the following material:
6 Answers
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Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
这几天系统地学习了一下Lua这个脚本语言，Lua脚本是一个很轻量级的脚本，也是号称性能最高的脚本，用在很多需要性能的地方，比如：游戏脚本，nginx，wireshark的脚本，当你把他的源码下下来编译后，你会发现解释器居然不到2...
How can you use optional parameters in C#?
...nnot have public void SomeMethod(int b = 0, int a)
– Andrew Meservy
Feb 27 '19 at 19:24
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How do I perform an insert and return inserted identity with Dapper?
How do I perform an insert to database and return inserted identity with Dapper?
7 Answers
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Possible to do a MySQL foreign key to one of two possible tables?
...table.
Polymorphic Associations are supported by frameworks such as Rails and Hibernate. But they explicitly say that you must disable SQL constraints to use this feature. Instead, the application or framework must do equivalent work to ensure that the reference is satisfied. That is, the value ...
How can I get the max (or min) value in a vector?
...lt; *std::min_element(mybegin(cloud), myend(cloud)) << '\n';
}
Oh, and use std::minmax_element(...) if you need both at once :/
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Designing function f(f(n)) == -n
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Hmm, saving state with even and odd numbers, I should've thought of that.
– Unknown
Apr 8 '09 at 22:25
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What is the easiest way to initialize a std::vector with hardcoded elements?
I can create an array and initialize it like this:
29 Answers
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Why does an image captured using camera intent gets rotated on some devices on Android?
I'm capturing an image and setting it to image view.
24 Answers
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