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15%
Data Analysis with R and Python
17.02.2015
Home »  Archive  »  2015  »  Issue 25: Safe...  » 
Lead Image © mopic, 123RF.com
vectors with 100,000 equally distributed random numbers from the interval 0.5 to 65 each, which round() then rounds to 1 and 6. Each vector component simulates a throw of the dice. The call to hist
15%
High-performance Python – compiled code and C interface
01.08.2019
Home »  Archive  »  2019  »  Issue 52: Stop...  » 
Lead Image © Konrad Bak, 123RF.com
functions (ufuncs) [5] and C callbacks. The compiler is under continual development, with the addition of more capability, more performance, and more NumPy functions. A ufunc operates on an ndarray [6
15%
Matlab-Like Tools for HPC
03.01.2013
Home »  HPC  »  Articles  » 
:3.4.3-1.el6 epel 9.1 M Installing for dependencies: GraphicsMagick x86_64 1.3.17-1.el6 epel 2.2 M GraphicsMagick-c++ x86_64 1.3.17-1.el6
15%
An IT nomad's daily diary
30.11.2025
Home »  Archive  »  2011  »  Issue 6: Perfor...  » 
© Kateryna Pruchkovska, 123RF.com
is adding these entries to the Cobbler database. A typical example looks something like Listing 1. Listing 1 System Settings 01 # cobbler system add --name=foo --profile=ksprofile-devel-rhel6 ... 6
15%
A Brief History of Supercomputers
21.01.2021
Home »  HPC  »  Articles  » 
May 1988 AMD K6-2 MMX and 3DNOW! SIMD, 200–570MHz; 64KiB L1 cache Jun 1998 Pentium II Xeon SIMD; L2 cache from 512KB to 2MB Feb 1999 Pentium III 9
15%
Linux Local and Network Filesystems
07.01.2024
Home »  HPC  »  Articles  » 
/loop13 squashfs ro,nodev,relatime |--/snap/core22/864             /dev/loop14 squashfs ro,nodev,relatime |--/snap/snap-store/959         /dev/loop15 squashfs ro,nodev,relatime |--/snap/core22
14%
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
14%
Protecting your web application infrastructure with the Nginx Naxsi firewall
18.07.2013
Home »  Archive  »  2013  »  Issue 15: What’...  » 
Pansiri Pikunkaew, 123RF
resource requirements. Although Apache is still king of the hill, approximately 30 percent of the top 10,000 websites already benefit from Nginx [2] (Figure 1
14%
CI/CD deliverables pipeline
07.06.2019
Home »  Archive  »  2019  »  Issue 51: Self-...  » 
Lead Image by serhat-beyazkaya, Unsplash.com
${WORK_DIR} 10 VOLUME ${WORK_DIR} 11 12 COPY Debian/stretch-backports.list /etc/apt/sources.list.d/ 13 COPY Debian/testing.list /etc/apt/sources.list.d/ 14 15 RUN apt-get update -y \ 16 && apt-get upgrade
14%
Asynchronous PostgreSQL
12.09.2013
Home »  Archive  »  2013  »  Issue 16: Docker  » 
Lead Image © Fesus Robert, 123RF.com
. There are some new lines: 5 and 12 to 22. Line 22 installs the sig function as a signal handler for SIGTERM. When the signal arrives, line 13 opens a new connection to the database and calls the pg

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