what's the best way to calculate the raw disk space in format. the system is a Solaris system using EMC disks- df -k will give me what's used plus available.Now I need the total disk space that the system is using/assigned. Which means I must inventory the raw disks in format. the system uses... (6 Replies)
Hello,
With the following small script I list the size of documents belonging to a certain user by each time selecting the bytes-field of that file ($7). Now it fills the array with every file it finds so in the end the output of some users contains up to 200.000 numbers. So how can I calculate... (7 Replies)
:confused:Hi,
I have got results from my simulation and I did extract the time field from the results file into new file. Then I was trying to calculate no. of occurrence for each set of time. However, I couldn't.
For example :
0.2 --
0.2 --
0.21016 --
0.21016 --
0.21016 --
.
.
.... (12 Replies)
Hey guys, maybe you can help me with this...
I want to read input.dat line by line, while doing a simple calculation between the second column value of the current line and the second column value of the next line (like a difference).
input is something like this:
0 3.945757
1 ... (1 Reply)
I would like to extract a number from $0 and calculate if it can be devided by 25. Though the number can also be less then 25 or bigger than 100. How do i extract the number and how can the integer be calculated?
String:
"all_results">39</span>I am looking for the number between "all_results"> ... (5 Replies)
Hi All,
I have the following time stamp data in 2 columns
Date TimeStamp(also with milliseconds)
05/23/2012 08:30:11.250
05/23/2012 08:30:15.500
05/23/2012 08:31.15.500
.
.
etc
From this data I need the following output.
0.00( row1-row1 in seconds)
04.25( row2-row1 in... (5 Replies)
Hi all,
I am attempting to calculate a running variance for a file containing a column of numbers. I am using the formula variance=sum((x-mean(x))^2)/(n-1), where x is the value on the current row, and mean(x) is the average of all of the values up until that row. n represents the total number... (1 Reply)
Hi, I wanted to calculate cumulative frequency distribution of my data that involves several arithmetic calls. I did things in excel but its taking me forever. this is what I want to do:
var1.txt contains n observations which I have to compute for frequency which is given by 1/n and subsequently... (7 Replies)
Hello,
I came across a previous thread "awk-calculating-simple-correlation-rows" which calculated correlations across rows in awk.
Code:
awk '{
a = 0; for (i = 2; i <= NF; ++i) a += $i; a /= NF-1
b = 0; for (i = 2; i <= NF; ++i) b += ($i - a) ^ 2; b = sqrt(b)
if... (7 Replies)
Discussion started by: Ross
7 Replies
LEARN ABOUT PHP
pg_free_result
PG_FREE_RESULT(3)PG_FREE_RESULT(3)pg_free_result - Free result memorySYNOPSIS
bool pg_free_result (resource $result)
DESCRIPTION pg_free_result(3) frees the memory and data associated with the specified PostgreSQL query result resource.
This function need only be called if memory consumption during script execution is a problem. Otherwise, all result memory will be auto-
matically freed when the script ends.
Note
This function used to be called pg_freeresult(3).
PARAMETERS
o $result
- PostgreSQL query result resource, returned by pg_query(3), pg_query_params(3) or pg_execute(3) (among others).
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
pg_free_result(3) example
<?php
$db = pg_connect("dbname=users user=me") || die();
$res = pg_query($db, "SELECT 1 UNION ALL SELECT 2");
$val = pg_fetch_result($res, 1, 0);
echo "First field in the second row is: ", $val, "
";
pg_free_result($res);
?>
The above example will output:
First field in the second row is: 2
SEE ALSO pg_query(3), pg_query_params(3), pg_execute(3).
PHP Documentation Group PG_FREE_RESULT(3)
02-20-2012
