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15%
Beyond monitoring: Mathematical load simulation in Perl
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© kudryashka, 123RF.com
Model"; 11 $work = "ebiz-tx"; 12 $node1 = "WebServer"; 13 $node2 = "AppServer"; 14 $node3 = "DBMServer"; 15 $think = 0.0 * 1e-3; # as per test system 16 $dtime = 2.2 * 1e-3; # dummy service time 17 18
15%
Shell practice: Introduction to the sed stream editor
09.08.2015
Home »  Archive  »  2015  »  Issue 28: SSD RAID  » 
Lead Image © Dmitriy Sladkov, 123RF.com
the exclamation mark: sed -n '20-80!s/OLD/NEW/p' [TEXTFILE] Furthermore, you can limit changes to lines that contain certain strings or patterns that are not the same as those used for the search
15%
New features in MariaDB 10.3
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image by Adarsh Kummur on Unsplash
FOR NOT FOUND 18 RETURN count_students; 19 20 LOOP 21 FETCH GROUP NEXT ROW; 22 IF x THEN 23 SET count_students = count_students + 1; 24 END IF; 25 END LOOP; 26 END; 27 // 28 29 SQL> DELIMITER ; 30 31 SQL> SELECT
15%
Storage system with OpenSolaris and Comstar
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Aleksandr Fomenkov, 123RF.com
initial tests are quite reasonable: 1GB memory, a virtual CPU, about 20GB of disk space, and a bridged network adapter with an Internet connection will do for now. Sun xVM VirtualBox is a good choice
15%
SSH Administration – Windows in a Unix World
30.11.2025
Home »  Archive  »  2010  »  Issue 0: Active...  » 
Gino Santa Maria, 123RF.com
at the prompt or double-click the Cygwin icon, and type startwwin at the bash prompt. Two significant things happen when you invoke the startxwin command: An xterm and an X server (Cygwin/X Server:0.0) launch
15%
Security first with the Hiawatha web server
11.04.2016
Home »  Archive  »  2016  »  Issue 32: Measu...  » 
Lead Image © Tatiana Popov, 123RF.com
-fastcgi are running, as expected. Listing 1 Process List root 589 0.0 0.3 142492 3092 ? Ss 20:35 0:00 nginx: master process /usr/sbin/nginx -g daemon on; master_process on; www
15%
Web Cryptography API
26.11.2013
Home »  Articles  » 
: "RSASSA-PKCS1-v1_5", 03 params: { 04 modulusLength: 512, 05 publicExponent: new Uint8Array([0x01, 0x00, 0x01]) 06 } 07 }; 08 var sigAlg = { 09 name: "RSASSA-PKCS1-v1_5", 10 params: { hash: "SHA-1
15%
Many Clouds, One API
22.08.2011
Home »  Articles  » 
 
.keys.sort.each do |s| 14 printf "%20s %d\n", s, summary[s] 15 end 16 puts "Polling for changes (Ctrl-C to end)" 17 loop do 18 sleep 2 19 client.instances.each do |inst| 20 if state[inst.id] != inst.state 21 ... to migrate easily to other providers at a later stage. Apache Deltacloud addresses this issue by offering a standardized API definition for infrastructure as a service (IaaS) clouds with drivers for a range
15%
Data Analysis with R and Python
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © mopic, 123RF.com
for x in rep.df.rx2(2)]) 17 18 devs.png(file=path, width=512, height=512) 19 ro.r.plot(x_vals, y_vals, xlab=x_lab, ylab=y_lab, main=main) 20 devs.dev_off() 21 22 rep
15%
Data Compression as a CPU Benchmark
28.11.2021
Home »  Archive  »  2021  »  Issue 66: Inci...  » 
Lead Image © Lucy Baldwin, 123RF.com
Compiler: Apple LLVM 12.0.5 (clang-1205.0.22.9) GCC 4.2.1 CLANG 12.0 Darwin : 20.4.0 : Darwin Kernel Version 20.4.0: PageSize:16KB Apple M1 8C8T RAM size: 16384 MB, # CPU hardware threads: 8 RAM usage

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