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What is the meaning of the term arena in relation to memory?
...e:
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 the initial a...
What is the difference between partitioning and bucketing a table in Hive ?
...ok at how data is stored in hive.
Let's say you have a table
CREATE TABLE mytable (
name string,
city string,
employee_id int )
PARTITIONED BY (year STRING, month STRING, day STRING)
CLUSTERED BY (employee_id) INTO 256 BUCKETS
then hive will store data in a directory...
How to format numbers? [duplicate]
...
Due to the bugs found by JasperV — good points! — I have rewritten my old code. I guess I only ever used this for positive values with two decimal places.
Depending on what you are trying to achieve, you may want rounding or not, so here are two versions split across that divide.
First up,...
Integrating Dropzone.js into existing HTML form with other fields
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this was my issue and you resolved it, ty @Satindersingh
– Su4p
Sep 14 '15 at 15:35
1
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How to find all positions of the maximum value in a list?
...er was already accepted, I lost a bit of motivation to continue working on my answer, since I assumed hardly anyone further would even look at it -- and it's so much longer than everyone else's.
– martineau
Oct 21 '10 at 22:55
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Checking Bash exit status of several commands efficiently
...mand2 are environment variables that have been set to a command.
function mytest {
"$@"
local status=$?
if (( status != 0 )); then
echo "error with $1" >&2
fi
return $status
}
mytest "$command1"
mytest "$command2"
...
Early exit from function?
...
You can just use return.
function myfunction() {
if(a == 'stop')
return;
}
This will send a return value of undefined to whatever called the function.
var x = myfunction();
console.log( x ); // console shows undefined
Of course, you can ...
missing private key in the distribution certificate on keychain
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Here at my company is always a mess, nobody knows in which computer was created a certain certificate. Is just better to revoke and recreate
– user2387149
Aug 28 '14 at 16:19
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Session timeout in ASP.NET
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In my situation, it was Application Pool. It is set to restart when idle for xx mins. When I set it to not restart, it seems to use value from Web Config.
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Peak detection in a 2D array
... a veterinary clinic measuring pressure under a dogs paw. I use Python for my data analysis and now I'm stuck trying to divide the paws into (anatomical) subregions.
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