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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！
...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...
Remove the last character in a string in T-SQL?
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Shiroy
99011 gold badge1010 silver badges1818 bronze badges
answered Aug 10 '09 at 20:02
AdaTheDevAdaTheDev
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How do I get extra data from intent on Android?
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edited Feb 2 '19 at 10:07
answered Nov 20 '10 at 17:04
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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
...echoes a PID into it. This serves as a protection if the process is killed before removing the pidfile:
LOCKFILE=/tmp/lock.txt
if [ -e ${LOCKFILE} ] && kill -0 `cat ${LOCKFILE}`; then
echo "already running"
exit
fi
# make sure the lockfile is removed when we exit and then claim it
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How do I reference an existing branch from an issue in GitHub?
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Directly from GitHub:
References
Certain references are auto-linked:
SHA: be6a8cc1c1ecfe9489fb51e4869af15a13fc2cd2
User@SHA ref: mojombo@be6a8cc1c1ecfe9489fb51e4869af15a13fc2cd2
User/Project@SHA: mojombo/god@be6a8cc1c1ecfe9489fb51e4869af...
Header files for x86 SIMD intrinsics
.....)? It seems impossible to find such a list online. Correct me if I'm wrong.
5 Answers
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throw new std::exception vs throw std::exception
while looking at some code I stumbled onto:
5 Answers
5
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How to convert an int array to String with toString method in Java [duplicate]
I am using trying to use the toString(int[]) method, but I think I am doing it wrong:
8 Answers
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Relative imports in Python 3
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unfortunately, this module needs to be inside the package, and it also
needs to be runnable as a script, sometimes. Any idea how I could
achieve that?
It's quite common to have a layout like this...
main.py
mypackage/
__init__.py
mymodule.py
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Linq: What is the difference between Select and Where
The Select and Where methods are available in Linq. What should every developer know about these two methods? For example: when to use one over the other, any advantages of using one over the other, etc.
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