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14%
Getting the most from your cores
11.10.2016
Home »  Archive  »  2016  »  Issue 35: Persi...  » 
Lead Image © ktsdesign, 123RF.com
straightforward. If a processor was operating at a fixed frequency of 2.0GHz, CPU utilization was the percentage of time the processor spent doing work. (Not doing work is idle time.) For 50% utilization
14%
Blending Java with other programming languages
10.04.2015
Home »  Archive  »  2015  »  Issue 26: OpenS...  » 
Lead Image © Ivan Mikhaylov, 123RF.com
import java.io.*; 04 import java.util.*; 05 06 public class Readline { 07 08 [...] 09 10 public static final void load(ReadlineLibrary lib) throws UnsatisfiedLinkError { 11 [...] 12 System
14%
HDF5 with Python and Fortran
21.03.2017
Home »  HPC  »  Articles  » 
these concepts. Listing 1: Starting Out with h5py 01   #!/home/laytonjb/anaconda2/bin/python 02  03   import h5py 04   import numpy as np 05  06   # =================== 07   # Main Python section 08
14%
PostgreSQL 9.3
04.02.2014
Home »  Articles  » 
 
 ---------------------------------------------------------------------------------------------------- 20  Seq Scan on mail (cost=0.00..5628.25 rows=4 width=961) (actual 21  time=2.401..1519.809 rows=672 loops=1) 22    Filter: (msg ~ '(updatable|views)'::text) 23    Rows Removed by Filter: 40148 24
14%
New in PostgreSQL 9.3
09.01.2013
Home »  Archive  »  2013  »  Issue 18: New W...  » 
Lead Image © Nuno Andre, 123RF.com
---------------------------------------------------------------------------------------------------- 20 Seq Scan on mail (cost=0.00..5628.25 rows=4 width=961) (actual 21 time=2.401..1519.809 rows=672 loops=1) 22 Filter: (msg ~ '(updatable|views)'::text) 23 Rows Removed by Filter: 40148 24
14%
Julia: A New Language For Technical Computing
31.05.2012
Home »  HPC  »  Articles  » 
.77 4.11 mandel 5.55 31.15 65.44 824.68 156.68 5.67 pi_sum 0.74 18.03 1.08 328.33 164.69 0.75 rand
14%
Server administration with Cockpit
29.09.2020
Home »  Archive  »  2020  »  Issue 59: Custo...  » 
Photo by Joshua J. Cotten on Unsplash
.168.2.17", 04 "visible": true, 05 "color": "green", 06 "user": "root" 07 }, 08 "web server": { 09 "address": "192.168.2.4", 10 "visible": true, 11 "color": "rgb(100, 200, 0)", 12
14%
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
14%
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
14%
Command-line tools for the HPC administrator
22.12.2017
Home »  Archive  »  2017  »  Issue 42: Secur...  » 
Lead Image © Vasyl Nesterov, 123RF.com
0 5260976 2256 669004 0 0 0 504 1916 933 25 1 74 0 0 07 2 0 0 5266288 2256 668980 0 0 0 36 4523 2941 29 4 67 0 0 08 0 0 0 5276056 2256 668960 0

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