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25%
Asynchronous PostgreSQL
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Fesus Robert, 123RF.com
; 05 06 print "Status: 200\nContent-Type: text/plain\n\n"; 07 $|=1; $|=0; # flush 08 09 my $dbh=DBI->connect('dbi:Pg:dbname=r2', 'ipp', undef, {RaiseError=>1}); 10 11 my $sth
25%
Static code analysis finds avoidable errors
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Lead Image © Andrey KOTKO, 123RF.com
); 19 printf("source: %s\ntarget: %s\n",source,target); 20 return 0; 21 } Figure 3: Splint warns the programmer of a likely out
25%
Managing Linux systems with Spacewalk
14.11.2013
Home »  Archive  »  2013  »  Issue 17: Cloud...  » 
Lead Image © NASA
use strict; 04 use Exporter; 05 use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS); 06 07 $VERSION = 1.0; 08 @ISA = qw(Exporter); 09 @EXPORT = (); 10 @EXPORT_OK = qw
25%
Parallelizing and memorizing Python programs with Joblib
20.05.2014
Home »  Archive  »  2014  »  Issue 20: IPv6...  » 
it to -1 uses all the available cores, -2 leaves one core unused, -3 leaves two unused, and so on. Alternatively n_jobs takes a positive integer as a counter that directly defines the number of processes
25%
Getting started with the Apache Cassandra database
06.10.2019
Home »  Archive  »  2019  »  Issue 53: Secur...  » 
Photo by Almos Bechtold on Unsplash
# Configuration for the seed node DC1N1 04 # The name could stand for datacenter 1, node 1 05 DC1N1: 06 image: cassandra:3.10 07 command: bash -c 'if [ -z "$$(ls -A /var
25%
Building a virtual NVMe drive
25.03.2020
Home »  Archive  »  2020  »  Issue 56: Secur...  » 
Lead Image © lassedesignen, 123RF
7 1 56008 loop1 06 7 2 56184 loop2 07 7 3 91264 loop3 08 259 0 244198584 nvme0n1 09 8 0 488386584 sda 10 8 1 1024 sda1 11
25%
Parallel Python with Joblib
08.04.2014
Home »  HPC  »  Articles  » 
, -2 leaves one core unused, -3 leaves two unused, and so on. Alternatively n_jobs takes a positive integer as a counter that directly defines the number of processes to use. The value of n_jobs can
25%
Creating Virtual SSDs
21.01.2020
Home »  HPC  »  Articles  » 
    7        1      56008 loop1 06    7        2      56184 loop2 07    7        3      91264 loop3 08  259        0  244198584 nvme0n1 09    8        0  488386584 sda 10    8        1       1024 sda1 11
25%
Nagios alerts implemented via VoIP
14.03.2013
Home »  Archive  »  2013  »  Issue 13: IPv6...  » 
© Zentilia, 123RF.com
well. Of the available clients, PJSUA [3] turns out to be the best choice. PJSUA is the PJSIP reference implementation, and it comprises a function library for SIP, RTP, STUN, and some other Vo
25%
What Is an Inode?
23.03.2022
Home »  HPC  »  Articles  » 
        Inodes    IUsed     IFree IUse% Mounted on udev            32968052      916  32967136    1% /dev tmpfs           32983590     1409  32982181    1% /run /dev/nvme0n1p2  31227904   814030  30413874    3% / tmpfs           32983590

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