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Reading and understanding database execution plans
31.10.2025
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© Gunnar Pippel, 123RF.com
s 04 4> JOIN employees e ON (s.employee_id = e.employee_id) 05 5> WHERE s.sale_date > trunc(sysdate) - INTERVAL '6' MONTH 06 6> AND s.eur_value >= 10; 07 Explained. 08 09 SQL> select * from table
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Dispatches from the world of IT
30.11.2025
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announced that Red Hat Enterprise Linux 6 has been certified by SAP to run SAP business applications. Helge Deller, head of SAP's LinuxLab, added, "Customers can now use this latest Red Hat operating system
24%
Using Expect scripts to automate tasks
31.10.2025
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© Kheng Ho Toh, 123RF.com
conservatively originally 21 if {$force_conservative} { 22 set send_slow {1 .1} 23 proc send {ignore arg} { 24 sleep .1 25 exp_send -s -- $arg 26 } 27 } 28
24%
Server virtualization with VirtualBox
30.11.2025
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© Federico Caputo, 123RF.com
also starts automatically after a reboot. Next, install the packages required for running phpVirtualBox: sudo apt-get install apache2-mpm-prefork apache2-utils apache2.2-bin apache2.2-common apache2
24%
Boost performance of your Python programs
30.11.2025
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Eric Isselée, 123RF
Python code designed with threading is to use the built-in multiprocessing package included in Python from version 2.6 on. This package provides an API similar to the threading Python module. Although
24%
Introduction to OpenMP programming
31.10.2025
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© Frank Rohde, 123RF.com
, PARAMETER :: real4 = selected_real_kind(6,37) ! Real 008 INTEGER, PARAMETER :: real8 = selected_real_kind(15,307) ! Double Precision 009 REAL(real8), DIMENSION(:,:), ALLOCATABLE :: unew 010 REAL
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Taking that Unix and Linux feeling tothe Windows desktop with MobaXterm
30.11.2025
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© Henner Damke, 123RF.com
Provides access from MobaXterm to the Git version management system. FVWM2 One of the first and oldest Windows managers for X11. Xorg (legacy) Installing the old X11 (Xorg v1.6
24%
Business continuity for small to medium-sized enterprises
30.11.2025
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© Andrea, Fotolia.com
minutes between backups These settings create 22 files per day (one full backup and 21 incremental backups) on the NAS. The full backups are easily identifiable by the .spf file extension; incremental
24%
Safeguard your Kubernetes setup with Kanister
28.07.2025
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Lead Image © Sebastian Duda, 123RF.com
use the echo command: echo -n "YOUR_KEY" | base64 $ cat <
24%
SSH Administration – Windows in a Unix World
30.11.2025
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Gino Santa Maria, 123RF.com
with ; or \g. 03 Your MySQL connection id is 3 to server version 5.0.22 01 Type 'help;' or '\h' for help. Type '\c' to clear the buffer. 01 mysql> Your connection to the MySQL server on the remote Unix

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