Is is possible to make STL-Iterator to work with user defined class ,like the one below?
#include <iostream>
#include <stdexcept>
using namespace std;
template <class T>
class Array
{
public:
T& operator (unsigned i) throw(out_of_range)
{ return data_; }
protected:
... (2 Replies)
Hello - Could anyone please explain what is login class in unix..? is it supported by Linux, AIX, HP-UX, Solaris?
Also how do we update this when a user is created? I looked into man pages for useradd/usermod and mkuser, but could not find any option to add/update login class for a user.
... (5 Replies)
I have a program that accepts user input. For example I have mdacc that the user sets the value. I then have a class which stores the value set by the user. I use set_param to set the values in the class. I pass through it the list of user defines arguments from argv. What would be the opinion on... (0 Replies)
We are trying to install our project on solaris 10 x86 machine. we are getting the following error.
Can't load '/u01/apps/WatchMark/FlexPM//R39FOA1/sw/perl/lib/auto/DBI/DBI.so' for module DBI: ld.so.1: perl: fatal:
/u01/apps/WatchMark/FlexPM//R39FOA1/sw/perl/lib/auto/DBI/DBI.so: wrong ELF data... (3 Replies)
Environment
Solaris 9
I have configured the Solaris9 as NTP client in which Solaris9 is syncing the time with a windows2008 R2 Server which is runing fine. Now I want that the xntpd service should start at startup. I did this via a script. Kindly correct if I did any thing wrong:
1.)Made... (9 Replies)
Hello,
This may be a simple one, but i can't see what the issue is.
When i run the script via CLI, then i get the correct output via the if statement, but when i run via CRON i get the wrong statement.
echo " Checking Job Status" >> $DIR/Bpimagecleanup_$DATE... (3 Replies)
Hi,
I accidentally did this:
wadhwaso@nxsdgd01 deps]$sudo rpm -e --nodeps glibc-2.5-107.x86_64
error: %postun(glibc-2.5-107.x86_64) scriptlet failed, exit status 255
and since then I am not able to run any command on this server except 'cd'.
I always get the following error:
$ ls... (6 Replies)
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data: It's a shell script using a looping logic, trap, tput, if, while. Most of the scripts in this book aren't written... (2 Replies)
I am following the "Compilling and Installing" guide from Apache > HTTP Server > Documentation > Version 2.4 page
The configure running OK:
# export CC="gcc -m64"
# ./configure \
--prefix=/usr/local/apache2/httpd-2.4.20 \
--with-port=80 \
--with-mpm=worker \
--enable-mods-shared=most \... (0 Replies)
Discussion started by: jhuang
0 Replies
LEARN ABOUT DEBIAN
bup-margin
bup-margin(1) General Commands Manual bup-margin(1)NAME
bup-margin - figure out your deduplication safety margin
SYNOPSIS
bup margin [options...]
DESCRIPTION
bup margin iterates through all objects in your bup repository, calculating the largest number of prefix bits shared between any two
entries. This number, n, identifies the longest subset of SHA-1 you could use and still encounter a collision between your object ids.
For example, one system that was tested had a collection of 11 million objects (70 GB), and bup margin returned 45. That means a 46-bit
hash would be sufficient to avoid all collisions among that set of objects; each object in that repository could be uniquely identified by
its first 46 bits.
The number of bits needed seems to increase by about 1 or 2 for every doubling of the number of objects. Since SHA-1 hashes have 160 bits,
that leaves 115 bits of margin. Of course, because SHA-1 hashes are essentially random, it's theoretically possible to use many more bits
with far fewer objects.
If you're paranoid about the possibility of SHA-1 collisions, you can monitor your repository by running bup margin occasionally to see if
you're getting dangerously close to 160 bits.
OPTIONS --predict
Guess the offset into each index file where a particular object will appear, and report the maximum deviation of the correct answer
from the guess. This is potentially useful for tuning an interpolation search algorithm.
--ignore-midx
don't use .midx files, use only .idx files. This is only really useful when used with --predict.
EXAMPLE
$ bup margin
Reading indexes: 100.00% (1612581/1612581), done.
40
40 matching prefix bits
1.94 bits per doubling
120 bits (61.86 doublings) remaining
4.19338e+18 times larger is possible
Everyone on earth could have 625878182 data sets
like yours, all in one repository, and we would
expect 1 object collision.
$ bup margin --predict
PackIdxList: using 1 index.
Reading indexes: 100.00% (1612581/1612581), done.
915 of 1612581 (0.057%)
SEE ALSO bup-midx(1), bup-save(1)BUP
Part of the bup(1) suite.
AUTHORS
Avery Pennarun <apenwarr@gmail.com>.
Bup unknown-bup-margin(1)