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Codebales holds an ever growing number of solutions to problems that we have experienced in our day to day code writing
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Andrew Fletcher
•
In Vim, following is an outline of the vi(m) functions you can utilise whilst in command mode - yes they are case sensitive
action
outcome
a
change to insert mode (after cursor)
A
change to insert mode (at end of line)
dd
delete one line
G
go to end of the file
1G
go to top of the file
i
change to insert mode (before cursor)
J
merge next line with this one
p
paste deleted or yanked text after cursor
P
paste deleted or yanked text before cursor
r
replace one...
Andrew Fletcher
•
JSON structure
Outlining the structure of the elements common attributes:...
Andrew Fletcher
•
This code is from Drupal 9 back-end for a React front-end via REST API.
Working...
Andrew Fletcher
•
I'm writing these steps primarily for myself as a reference. However, if...
Andrew Fletcher
•
Regular expressions (regex) are extremely useful in extracting information from...
Andrew Fletcher
•
Whilst updating nodejs and npm on a Centos 6 or 7 server running Apache, I hit a few walls and as a matter of process found some commands that are handy to run before doing a deep dive in Google.
Cleaning the cache
sudo yum clean all
rm -rf /var/cache/yum/*
To make the cache
sudo yum clean all; sudo yum makecacheIf you want to run several commands use semi-colon as noted above.
Updating
When running an update command run
sudo yum -y...
Andrew Fletcher
•
Recently I had an error with a domain smtp server not recognising port 587....
Andrew Fletcher
•
I had an issue where logging in from the app disconnected. The error that...
Andrew Fletcher
•
Overview
To update ejabberd you need to remove it, then re-install with the...
Andrew Fletcher
•
The starting point is to read through and follow the notes outlined on the...
Andrew Fletcher
•
To add Erlang repository that also includes the public key for verifying signed package, use the following shell commands:
wget https://packages.erlang-solutions.com/erlang-solutions-1.0-1.noarch.rpm
rpm -Uvh erlang-solutions-1.0-1.noarch.rpmInstall Erland
yum install erlangCheck that Erland has been installed enter the command (case sensitive)
erlIf the Erland package has been successfully installed terminal will be output something like
Erlang/OTP 21 [erts-10.3.2] [source] [64-bit]...
Andrew Fletcher
•
Adding a pem file to secure ejabbered on the server for chat connection.
Getting...
Andrew Fletcher
•
To access the ejabberd log files, I found them located at the following...