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How do I remove code duplication between similar const and non-const member functions?
...heading "Avoid Duplication in const and Non-const Member Function," on p. 23, in Item 3 "Use const whenever 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 &...
Why does this C++ snippet compile (non-void function does not return a value) [duplicate]
...
This is undefined behavior from the C++11 draft standard section 6.6.3 The return statement paragraph 2 which says:
[...] Flowing off the end of a function is equivalent to a return with no value; this results in undefined behavior in a value-returning function. [...]
This means that the...
Return a `struct` from a function in C
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edited Jul 19 '19 at 14:13
answered Mar 11 '12 at 7:01
Car...
How to convert a data frame column to numeric type?
...ac num
1 a 1 1 a 1
2 b 2 2 b 2
3 c 3 3 c 3
4 d 4 4 d 4
5 e 5 5 e 5
and let us run:
> sapply(d, mode)
char fake_char fac char_fac num
"character" "character...
Remove characters from C# string
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answered Sep 14 '11 at 5:03
Albin SunnanboAlbin Sunnanbo
43.5k88 gold badges6363 silver badges100100 bronze badges
...
How to convert an int to string in C?
...to convert your integer value to a string.
Here is an example:
int num = 321;
char snum[5];
// convert 123 to string [buf]
itoa(num, snum, 10);
// print our string
printf("%s\n", snum);
If you want to output your structure into a file there is no need to convert any value beforehand. You can...
可重入函数、不可重入函数及线程安全 - C/C++ - 清泛网 - 专注C/C++及内核技术
...函数：
(1) 使用了静态数据结构;
(2) 调用了malloc或free;
(3) 调用了标准I/O函数;标准io库很多实现都以不可重入的方式使用全局数据结构。
(4) 进行了浮点运算.许多的处理器/编译器中，浮点一般都是不可重入的 (浮点运算大多使...
How to print from GitHub
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34
Using GitPrint is great way to directly print files from Github.
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Gradle does not find tools.jar
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143
I had this problem when I was trying to run commands through CLI.
It was a problem with system...
Use JNI instead of JNA to call native code?
...Denis Tulskiy
18.1k66 gold badges4646 silver badges6363 bronze badges
6
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