To delete a specific redis-DB you need to use the FLUSHDB-command in combination with the SELECT-command. For...
Our CI setup frequently sees this error while running yarn install: yarn install v1.22.19 [1/4] Resolving packages... [2/4] Fetching packages...
In a Jasmine spec you want to spy on a function that is imported by the code under test. This...
To measure the time of your HTTP request with curl, you can use the -w (--write-out) option:
We had a strange behaviour on one of our mariadb-servers: Everyday at around midnight we saw that the root...
When changing glibc versions, it's possible to end up with corrupt indexes in PostgreSQL. Are My Indexes Affected?
When changing the glibc version, it's possible that the upgrade also includes changes to how locales work.
There are cases where we have multiple exported resources that are identical. There are nodes that provide the same services...
The Oracle mysql client has an odd behavior if your server uses latin1 as default character-set-server. Command
By default subscript ( ) and superscript ( ) tags are styled with vertical-align: sub, respectively vertical-align: super by most browsers.
Du möchtest deinen AWS Account auf bestimmte Fehlkonfigurationen hin überwachen. Dafür wirst du AWS Config einsetzen. Über gebrochene AWS Config...
Nginx is capable of forwarding a unix socket to UDP backend servers. This is quite handy for load balance syslog...
You have some SVG files you want to use as icons on your website. How would you embed them?
tl;dr You should decouple migrations from models by embedding models into the migration. To use STI in this scenario...
You might use screen or tmux to run a temporary command on a server which continues to run after the...
Im Jahr 2022 ist beinahe der gesamte Traffic im Internet verschlüsselt. Das geschieht primär mit TLS. Da wir Webserver, Loadbalancer...
If you're experiencing that your bundle install command fails with an error message like this, rubygems.org might...
Unpoly's [up-observe], [up-autosubmit] and [up-validate] as well as their programmatic variants up.observe() and up.autosubmit...
tl;dr git checkout is the swiss army of git commands. If you prefer a semantically more meaningful command for...
Ncdu is a disk usage analyzer with an ncurses interface. It is designed to find space hogs on a remote...
tl;dr git checkout is the swiss army of git commands. If you prefer a semantically more meaningful command for...
You have uncommited changes (you can always check by using git status), which you want to discard.
tl;dr In RubyMine you can use find and replace with capture groups (.*?) and backreferences $1 (if you have several...
tl;dr Since Rails 6+ you can use before? and after? to check if a date/time is before or after...