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C语言结构体里的成员数组和指针 - c++1y / stl - 清泛IT社区,为创新赋能!
...copy过去编译和调试,我把代码列在下面:#include <stdio.h>
struct str{
int len;
char s[0];
};
struct foo {
struct str *a;
};
int main(int argc, char** argv) {
struct foo f={0};
if (f.a->s) {
&nbs...
How to disable zoom on Ctrl+scroll in Visual Studio 2010?
Visual Studio 2010 adds a zoom setting on the bottom left of the text editor (to the left of the horizontal scroll bar) and also adopts the Ctrl +mouse scroll idiom for zooming in and out.
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MySql Table Insert if not exist otherwise update
It works if the datenum exists, but I want to insert this data as a new row if the datenum does not exist.
3 Answers
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What does 'const static' mean in C and C++?
I saw this in some code here on StackOverflow and I couldn't figure out what it does. Then I saw some confused answers on other forums. My best guess is that it's used in C to hide the constant foo from other modules. Is this correct? If so, why would anyone use it in a C++ context where you can j...
C++ error: undefined reference to 'clock_gettime' and 'clock_settime'
I am pretty new to Ubuntu, but I can't seem to get this to work. It works fine on my school computers and I don't know what I am not doing. I have checked usr/include and time.h is there just fine. Here is the code:
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What's the fastest algorithm for sorting a linked list?
I'm curious if O(n log n) is the best a linked list can do.
13 Answers
13
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Types in Objective-C on iOS
I want to ask about the fundamental data types in Objective-C on iOS.
3 Answers
3
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Use grep to report back only line numbers
I have a file that possibly contains bad formatting (in this case, the occurrence of the pattern \\backslash ). I would like to use grep to return only the line numbers where this occurs (as in, the match was here, go to line # x and fix it).
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bool to int conversion
How portable is this conversion. Can I be sure that both assertions pass?
4 Answers
4
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Shortcut to open file in Vim
I want to open a file in Vim like in Eclipse using Ctrl + Shift + R , or via the Ctrl + N option of autofill. Invoke a keyboard shortcut, type the file name/pattern, and choose from all the matching files names.
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