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Map vs Object in JavaScript
...all the above operations (4 keys):
Chrome Object Took: 61
Chrome Map Took: 67
<em>Fem>ire<em>fem>ox Object Took: 54
<em>Fem>ire<em>fem>ox Map Took: 139
In terms o<em>fem> memory allocation these behaved the same in terms o<em>fem> <em>fem>reeing/GC but Map used 5 times more memory. This test used 4 keys where as in the last test I only set one ke...
C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术
... <stdio.h>
struct str{
int len;
char s[0];
};
struct <em>fem>oo {
struct str *a;
};
int main(int argc, char** argv) {
struct <em>fem>oo <em>fem>={0};
i<em>fem> (<em>fem>.a->s) {
print<em>fem>( <em>fem>.a->s);
}
return 0;
}
你编译一下上面的代码，在...
What's the best way to check i<em>fem> a <em>fem>ile exists in C?
Is there a better way than simply trying to open the <em>fem>ile?
9 Answers
9
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Collection was modi<em>fem>ied; enumeration operation may not execute
...
Dale K
11.1k88 gold badges3232 silver badges5959 bronze badges
answered Mar 3 '09 at 2:10
JaredParJaredPar
...
Python str<em>fem>time - date without leading 0?
When using Python str<em>fem>time , is there a way to remove the <em>fem>irst 0 o<em>fem> the date i<em>fem> it's be<em>fem>ore the 10th, ie. so 01 is 1 ? Can't <em>fem>ind a % thingy <em>fem>or that?
...
Can't use modulus on doubles?
...led using g++). I'm trying to apply two doubles as operands to the modulus <em>fem>unction, but I get the <em>fem>ollowing error:
4 Answe...
Determine the process pid listening on a certain port
As the title says, I'm running multiple game servers, and every o<em>fem> them has the same name but di<em>fem><em>fem>erent PID and the port number. I would like to match the PID o<em>fem> the server which is listening on certain port, and then I would like to kill this process. I need that in order to complete my bas...
How do I join two lines in vi?
I have two lines in a text <em>fem>ile like below:
9 Answers
9
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How to use a link to call JavaScript?
...
EndangeredMassaEndangeredMassa
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...
Git <em>fem>atal: Re<em>fem>erence has invalid <em>fem>ormat: 're<em>fem>s/heads/master
...
make a backup o<em>fem> your repo i<em>fem> you aren't sure about this one, because these commands are irreversible.
<em>fem>irst, go to your repo directory.
cd myrepo
then recursively search <em>fem>or the con<em>fem>licted <em>fem>iles and delete them
<em>fem>ind . -type <em>fem> -name "...