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What does “abstract over” mean?
...rature, I encounter the phrase "abstract over", but I don't understand the intent. For example , Martin Odersky writes
6 ...
Split string every nth character?
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i was being serious, I used this code in my binary converter in an emulator, I liked that it was a pythonic for loop haaha but thanks for further breaking down why i enjoy the method!
– Trevor Rudolph
Nov 3 '14 at 1:34
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Why can't I make a vector of references?
...pes are also not allowed as components of containers, e.g. vector<const int> is not allowed.
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How do you implement a class in C? [closed]
...verloading and/or virtual methods, you probably need to include function pointers in structures:
typedef struct {
float (*computeArea)(const ShapeClass *shape);
} ShapeClass;
float shape_computeArea(const ShapeClass *shape)
{
return shape->computeArea(shape);
}
This would let you implemen...
Why do we use volatile keyword? [duplicate]
...
Consider this code,
int some_int = 100;
while(some_int == 100)
{
//your code
}
When this program gets compiled, the compiler may optimize this code, if it finds that the program never ever makes any attempt to change the value of some_int,...
Why does the C# compiler go mad on this nested LINQ query?
...void Main()
{
var x = Enumerable.Range(0, 1).Sum(a);
}
private static int a(int a)
{
return Enumerable.Range(0, 1).Sum(b);
}
private static int b(int b)
{
return Enumerable.Range(0, 1).Sum(c);
}
private static int c(int c)
{
return Enumerable.Range(0, 1).Sum(d);
}
private static int...
Is there a Python equivalent to Ruby's string interpolation?
...nd text found in the example in the documentation however. Why the use of convert to string here: %(language)s What does the 3 in '03d' signify? Why after the string is there % \? The assignment of variables (if they are in fact variables) after the print expression confuses me also. Sorry if t...
Best way to format integer as string with leading zeros? [duplicate]
I need to add leading zeros to integer to make a string with defined quantity of digits ($cnt).
What the best way to translate this simple function from PHP to Python:
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Linux automake自动编译全攻略 - C/C++ - 清泛网 - 专注C/C++及内核技术
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代码如下：
lib目录下头文件calc.h：
#include <stdio.h>
int add(int a, int b);
lib目录函数实现calc.c：
#include "calc.h"
int add(int a, int b)
{
return a + b;
}
主目录下测试代码test.c：
#include <stdio.h>
#include "lib/calc.h"
int main(i...
Linux automake自动编译全攻略 - 脚本技术 - 清泛IT社区，为创新赋能！
...
代码如下：
lib目录下头文件calc.h：
#include <stdio.h>
int add(int a, int b);复制代码lib目录函数实现calc.c：
#include "calc.h"
int add(int a, int b)
{
return a + b;
}复制代码
主目录下测试代码test.c：
#includ...