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26%
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
26%
Measuring the performance of code
04.08.2020
Home »  Archive  »  2020  »  Issue 58: Graph...  » 
Lead Image © Lucy Baldwin, 123RF.com
, repeating the measurement 100,000 times leads to an approximate time measurement of 6ns for the round n Figure 4: Bench testing round() in C: 6.23ns fast
26%
Data Analysis with R and Python
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © mopic, 123RF.com
: 15 collec.insert({"name":row[0],"observer":row[1],"type":row[2],"period":\ pfl(row[3]), "ecc":pfl(row[4]),"semaj_axs":pfl(row[5]), \ "perih_dist":pfl(row[6]), "incl":pfl(row[7
26%
Visualizing data captured by nmon
15.08.2016
Home »  Archive  »  2016  »  Issue 34: Softw...  » 
Lead Image © Orlando Rosu, 123RF.com
wound up with approximately 250MB of nmon logfiles. Those who use the nmon Analyser Excel spreadsheet [3] know that you cannot process logs of that size without first having to do some customization
26%
Network performance in-terminal graphics  tools
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Lucy Baldwin, 123RF.com
of its modernized variations, ncurses [3] or Newt [4]. Expanding Jeff's excellent treatment of the topic of writing TUIs, this month I will take you on a tour of the array of visual tools available
26%
Read-only file compression with SquashFS
14.08.2017
Home »  Archive  »  2017  »  Issue 40: Lean...  » 
Lead Image © modella, 123RF.com
:31 FS_scan.csv $ gzip -9 FS_scan.csv $ ls -lsah FS_scan.csv.gz 268K -rw-r--r-- 1 laytonjb laytonjb 261K 2014-06-09 20:31 FS_scan.csv.gz The original file is 3.2MB, but after using gzip with the -9
26%
Filesystem Encryption
12.05.2014
Home »  Articles  » 
 
-rw-r-- 1 laytonjb laytonjb 10 Sep  6 13:23 bar -rw-rw-r-- 1 laytonjb laytonjb 10 Sep  6 13:23 foo lrwxrwxrwx 1 laytonjb laytonjb  3 Sep  6 13:23 foo2 -> foo [laytonjb@test1 private]$ cat bar hello
26%
GNU tools under Windows
31.10.2025
Home »  Archive  »  2012  »  Issue 11: Cloud...  » 
© Markus Gann, 123RF.com
to the Windows desktop, but at a little less than 10MB, it is much more compact than Cygwin's 100MB and is also easier to install. Alternatives MobaXterm: A previous article [3] introduced Moba
26%
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
26%
Sharing Linux Terminals
13.07.2022
Home »  HPC  »  Articles  » 
) [application/octet-stream] Saving to: Rocky-8.6-x86_64-dvd1.iso   Rocky-8.6-x86_64-dvd1.iso     35%[===========>                         ]   3.74G  37.4MB/s    eta 2m 45s When you reconnected to the session, you didn’t specify

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