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What is the meaning of the term arena in relation to memory?
... For example:
char * arena = malloc(HUGE_NUMBER);
unsigned int current = 0;
void * my_malloc(size_t n) { current += n; return arena + current - n; }
The point is that you get full control over how the memory allocation works. The only thing outside your control is the single library call for th...
Pointer to class data member “::*”
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cout << "speed is " << c1.speed << endl;
return 0;
}
As to why you would want to do that, well it gives you another level of indirection that can solve some tricky problems. But to be honest, I've never had to use them in my own code.
Edit: I can't think off-hand of a c...
How can I reverse the order of lines in a file?
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edited Dec 9 '14 at 17:50
Cristian Ciupitu
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ans...
How to calculate number of days between two given dates?
If I have two dates (ex. '8/18/2008' and '9/26/2008' ), what is the best way to get the number of days between these two dates?
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Most efficient way to store thousand telephone numbers
...here are for which the binary number consisting of the first m bits is all 0, for how many phone numbers the first m bits are at most 0...01, for how many phone numbers the first m bits are at most 0...10, etcetera, up to the count of phone numbers for which the first m bits are 1...11 - this last c...
What does $$ mean in the shell?
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103
In Bash $$ is the process ID, as noted in the comments it is not safe to use as a temp filename...
Why use Object.prototype.hasOwnProperty.call(myObj, prop) instead of myObj.hasOwnProperty(prop)?
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109
Is there any practical difference [between my examples]?
The user may have a JavaScript ob...
Mixing Angular and ASP.NET MVC/Web api?
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answered Jan 13 '14 at 18:05
nullnull
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What are transparent comparators?
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60
What problem does this solve,
See Dietmar's answer and remyabel's answer.
and does this...
Redis command to get all available keys?
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answered Mar 9 '11 at 21:40
yojimbo87yojimbo87
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