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18%
Reading and understanding database execution plans
31.10.2025
Home »  Archive  »  2012  »  Issue 12: NAS S...  » 
© Gunnar Pippel, 123RF.com
the explain plan for command in combination with the DBMS_XPLAN.DISPLAY function call (see Example 1). Example 1: Oracle Execution Plan 01 SQL> explain plan for<+>1<+> 02 2> SELECT * 03 3> FROM sales
18%
Prepare, analyze, and visualize data with R
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image © Buchachon Petthanya, 123RF.com
(version 0.8) and dplyr (version 0.8) packages. The example in Listing 4 creates a small data frame with the columns a, b, and colour. R then computes the c and sum columns with the R base and dplyr
18%
Kernel and driver development for the Linux kernel
07.10.2014
Home »  Archive  »  2014  »  Issue 23: 10 Ti...  » 
Lead Image © psdesign1, Fotolia.com
_string; 08 09 static int prochello_show( struct seq_file *m, void *v ) 10 { 11 int error = 0; 12 13 error = seq_printf( m, "%s\n", output_string); 14 return error; 15 } 16 17 static int prochello
18%
Network analysis with the Bro Network Security Monitor
05.12.2014
Home »  Archive  »  2014  »  Issue 24: Visua...  » 
Lead Image © Aleksey Mnogosmyslov, 123RF.com
. For example, to run a report every three seconds for five iterations on eth0, you would use the command in Listing 4. Listing 4 capstats /opt/bro/bin/capstats -I 3 -n 5 -i eth0 1415510235
18%
Embarrassingly parallel computation
01.06.2024
Home »  Archive  »  2024  »  Issue 81: Load...  » 
Lead Image © Lucy Baldwin, 123RF.com
PI resulting in a brief burst of computation on cores 0, 1, and 6 (Figure 4) and an approximation of pi (purely out of randomness and geometry) to 3.139, computed in just half a second (Figure 5). Executing
18%
Monitor your network infrastructure with SNMP
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © lightwise, 123RF.com
version is version 3. In contrast to its predecessors, SNMPv3 supports encrypted communication and secure authentication; however, many devices you can purchase today still only support SNMPv1 or SNMPv2
18%
New features in MariaDB 10.3
05.02.2019
Home »  Archive  »  2019  »  Issue 49: Anato...  » 
Lead Image by Adarsh Kummur on Unsplash
, revenue DECIMAL(11, 2) 05 , customer_class CHAR(1) 06 ); 07 08 SQL> INSERT INTO customer 09 VALUES (1, 2016, 100.0), (2, 2016, 0.0), (3, 2016, 999.99); 10 SQL> INSERT INTO customer 11 VALUES (1, 2017, 500.0 ... What lacked maturity in MariaDB 10.2 has now been sorted out in version 10.3. We look at the benefits you can reap now. ... MariaDB 10.3 ... New features in MariaDB 10.3
18%
Many Clouds, One API
22.08.2011
Home »  Articles  » 
 
[inst.id] = inst.state 08 summary[inst.state] += 1 09 state 10 end 11 total = summary.values.inject(0) { |sum, i| sum += i } 12 puts "Found #{total} instances in the following states:" 13 summary
18%
Matlab-like tools for high-performance computing
16.05.2013
Home »  Archive  »  2013  »  Issue 14: Samba 4  » 
,1000); 06 07 // Set host data on the Device (GPU) 08 dA = gpuSetData(A); 09 dC = gpuSetData(C); 10 11 d1 = gpuMult(A,B); 12 d2 = gpuMult(dA,dC); 13 d3 = gpuMult(d1,d2); 14 result = gpuGetData(d3); // Get
18%
New features in Windows Terminal Preview
03.02.2022
Home »  Archive  »  2022  »  Issue 67: syst...  » 
Photo by Mohamed Shaffaf on Unsplash
are updated automatically. For this article, I looked at the Windows Terminal Preview, which at the time was version 1.10.1933.0 with the then current Stable version at 1.9.1942.0. Both the Preview and Stable

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