Tips and Tricks: Difference between revisions
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===No space left on device=== | |||
For MS Windows 10: | |||
net stop "Windows Search" | |||
del %PROGRAMDATA%\Microsoft\Search\Data\Applications\Windows\Windows.edb | |||
net start "Windows Search" | |||
===Positive returncode in makefile=== | ===Positive returncode in makefile=== | ||
diff -w -y --suppress-common-lines --width=32 bf.tmp pn.tmp '''|| :''' | diff -w -y --suppress-common-lines --width=32 bf.tmp pn.tmp '''|| :''' | ||
===Change default codepage of Windows console to UTF-8=== | |||
* [https://superuser.com/questions/269818/change-default-code-page-of-windows-console-to-utf-8 chcp 65001] | |||
===Convert MediaWiki to GitHub's MarkDown=== | ===Convert MediaWiki to GitHub's MarkDown=== | ||
* Script from [https://github.com/philipashlock/mediawiki-to-markdown Philip Ashlock], needs [https://pandoc.org/ PanDoc] and a dump (from <cpde>dumpBackup.php</code> | * Script from [https://github.com/philipashlock/mediawiki-to-markdown Philip Ashlock], needs [https://pandoc.org/ PanDoc] and a dump (from <cpde>dumpBackup.php</code> | ||
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W: mdadm: no arrays defined in configuration file. | W: mdadm: no arrays defined in configuration file. | ||
* Apache2: rename all in <code>/etc/apache2/sites-available</code> to <code>*.conf</code>, remove the symlinks in <code>sites-enabled/</code> and recreate them with <code>a2ensite</code>; '''clear the browser cache''' thereafter. | * Apache2: rename all in <code>/etc/apache2/sites-available</code> to <code>*.conf</code>, remove the symlinks in <code>sites-enabled/</code> and recreate them with <code>a2ensite</code>; '''clear the browser cache''' thereafter. | ||
===Raspberry PI keyboard rate === | |||
* [https://raspberrypi.stackexchange.com/questions/99913/permanently-set-keyboard-repeat-rate-on-raspberry-pi set keyboard rate] | |||
===TP-Link DHCP without Internet=== | |||
* [https://forum-raspberrypi.de/forum/thread/47239-mit-wlan-verbunden-aber-kein-internet/ forum-raspberrypi.de] | |||
===Java=== | |||
* [https://stackoverflow.com/questions/37628/what-is-reflection-and-why-is-it-useful#:~:text=Java%20Reflection%20makes%20it%20possible,set%20field%20values%20using%20reflection. How to dump any object] by reflection | |||
* [https://stackoverflow.com/questions/27872387/can-a-java-lambda-have-more-than-1-parameter Can a Java lambda have more than 1 parameter] | |||
===Tomcat=== | |||
java -cp /usr/share/tomcat8/lib/catalina.jar org.apache.catalina.util.ServerInfo | |||
Server version: Apache Tomcat/8.5.38 (Debian) | |||
Server built: Feb 26 2019 20:37:51 UTC | |||
Server number: 8.5.38.0 | |||
OS Name: Linux | |||
OS Version: 5.10.103-v7+ | |||
Architecture: arm | |||
JVM Version: 11.0.15+10-post-Raspbian-1deb10u1 | |||
JVM Vendor: Raspbian | |||
===www.domainname=== | |||
* Subdomains ''www'' must be enabled in the menue of the hosting service. | |||
* Cf. [https://www.digitalocean.com/community/tutorials/how-to-redirect-www-to-non-www-with-apache-on-ubuntu-14-04 How to redirect] for .htacess configuration. | |||
==Git== | |||
git checkout HEAD <filename> | |||
git merge --abort | |||
git reset --hard | |||
Latest revision as of 11:12, 21 October 2023
No space left on device
For MS Windows 10:
net stop "Windows Search" del %PROGRAMDATA%\Microsoft\Search\Data\Applications\Windows\Windows.edb net start "Windows Search"
Positive returncode in makefile
diff -w -y --suppress-common-lines --width=32 bf.tmp pn.tmp || :
Change default codepage of Windows console to UTF-8
Convert MediaWiki to GitHub's MarkDown
- Script from Philip Ashlock, needs PanDoc and a dump (from <cpde>dumpBackup.php
Running Delphi programs under Linux
- Install
wineandxvfbfor headless terminals. - For Intraweb applications, determine a free port, for example 8080.
- Create and fill a MySQL database on the Linux server, and configure that database in the Delphi application.
- Move the
delphi.exetogether withlibmysql.dll(version 5.59 extracted from a MySQL-Windows-Distribution) to some directory under Linux. xvfb-run wine delphi.exe, then Ctrl-Z andbg- Open the application in a browser with the URL
http://www.punctum.com:8080/$/.
Perl CPAN
perl -MCPAN -e shell, autoconfig follows- amend environment:
PATH="/home/User/perl5/bin${PATH:+:${PATH}}"; export PATH;
(add "/home/User/perl5/bin" to PATH)
PERL5LIB="/home/User/perl5/lib/perl5${PERL5LIB:+:${PERL5LIB}}"; export PERL5LIB;
PERL_LOCAL_LIB_ROOT="/home/User/perl5${PERL_LOCAL_LIB_ROOT:+:${PERL_LOCAL_LIB_ROOT}}"; export PERL_LOCAL_LIB_ROOT;
PERL_MB_OPT="--install_base \"/home/User/perl5\""; export PERL_MB_OPT;
PERL_MM_OPT="INSTALL_BASE=/home/User/perl5"; export PERL_MM_OPT;
install bigint
Rosetta Coding
- from Michael Somos
Debian dist-upgrades
Wheezy to Jessie
- Ignore:
Setting up makedev (2.3.1-93) ... /run/udev or .udevdb or .udev presence implies active udev. Aborting MAKEDEV invocation. /run/udev or .udevdb or .udev presence implies active udev. Aborting MAKEDEV invocation. /run/udev or .udevdb or .udev presence implies active udev. Aborting MAKEDEV invocation.
- Ignore:
update-initramfs: Generating /boot/initrd.img-3.2.0-6-amd64 W: mdadm: unchecked configuration file: /etc/mdadm/mdadm.conf W: mdadm: please read /usr/share/doc/mdadm/README.upgrading-2.5.3.gz . W: mdadm: no arrays defined in configuration file.
- Apache2: rename all in
/etc/apache2/sites-availableto*.conf, remove the symlinks insites-enabled/and recreate them witha2ensite; clear the browser cache thereafter.
Raspberry PI keyboard rate
TP-Link DHCP without Internet
Java
Tomcat
java -cp /usr/share/tomcat8/lib/catalina.jar org.apache.catalina.util.ServerInfo Server version: Apache Tomcat/8.5.38 (Debian) Server built: Feb 26 2019 20:37:51 UTC Server number: 8.5.38.0 OS Name: Linux OS Version: 5.10.103-v7+ Architecture: arm JVM Version: 11.0.15+10-post-Raspbian-1deb10u1 JVM Vendor: Raspbian
www.domainname
- Subdomains www must be enabled in the menue of the hosting service.
- Cf. How to redirect for .htacess configuration.
Git
git checkout HEAD <filename> git merge --abort git reset --hard