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C语言面试那些事儿──一道指针与数组问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
C语言面试那些事儿──一道指针与数组问题首先看如下代码:int main(int argc, char** argv){ int a[5] = {1,2,3,4,5}; int* ptr = (int*)(&a + 1); ...首先看如下代码:
int main(int argc, char** argv)
{
int a[5] = {1,2,3,4,5};
int* ptr = (int*)(&a + 1);
...
C/C++获取Windows的CPU、内存、硬盘使用率 - C/C++ - 清泛网 - 专注C/C++及内核技术
C/C++获取Windows的CPU、内存、硬盘使用率1.获取Windows系统内存使用率 Win 内存 使用率 DWORD getWin_MemUsage(){MEMORYSTATUS ms;::GlobalMemoryStatus(&ms);return ms.d...1.获取Windows系统内存使用率
//Win 内存 使用率
DWORD getWin_MemUsage()
{
MEMORYSTATUS m...
c/c++取结构体指定成员的偏移,及原理解析 - C/C++ - 清泛网 - 专注C/C++及内核技术
c/c++取结构体指定成员的偏移,及原理解析c_offset_of可以使用std标准函数 offsetof(),在stddef h头文件中,实现原理如下(模拟系统的实现): define MY_STRUCT_OFFSET(s, m) ((size_t)(& ((s*)0)->m ))原理如下:1、0即空指 可以使用std标准函数 of...
Does JavaScript have “Short-circuit” evaluation?
I would like to know if JavaScript has "short-circuit" evaluation like && Operator in C#. If not, I would like to know if there is a workaround that makes sense to adopt.
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How is pattern matching in Scala implemented at the bytecode level?
How is pattern matching in Scala implemented at the bytecode level?
3 Answers
3
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awk without printing newline
I want the variable sum/NR to be printed side-by-side in each iteration. How do we avoid awk from printing newline in each iteration ? In my code a newline is printed by default in each iteration
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Reduce git repository size
I tried looking for a good tutorial on reducing repo size, but found none. How do I reduce my repo size...it's about 10 MB, but the thing is Heroku only allows 50 MB and I'm no where near finished developing my app.
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String replacement in batch file
We can replace strings in a batch file using the following command
4 Answers
4
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Two statements next to curly brace in an equation
How can I write an equation with one curly brace ( { ), and on the right-hand side next to the curly, two statements in two different lines?
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jquery sortable placeholder height problem
For some reason the placeholder for my sortable items is about 10px. All my sortable items have different heights. How can I change the height of each placeholder to match the item being moved?
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