developer resources
Codebales holds an ever growing number of solutions to problems that we have experienced in our day to day code writing
Selected filter
15
results
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
•
ERROR Error: Uncaught (in promise): TypeError: undefined is not an object...
Andrew Fletcher
•
Working through an app project I inherited using Ionic, Angular and ngx-leaflet...
Andrew Fletcher
•
The issue
Text through the app is being rendered as
<p>Depletion...
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
•
iOS localization on the fly
If you have added languages to your app......
Andrew Fletcher
•
Recently I had an error with a domain smtp server not recognising port 587....
Andrew Fletcher
•
Whatever you are coding - code clarity is your goal.
Before you scream and...
Andrew Fletcher
•
To create a .pem file, is quick once you have your .p12 certificate. I...
Andrew Fletcher
•
I had the issue where I needed to filter an array list by a specific column. In my instance, the column is language. To be able to reduce the query to the language column the code required is
levels = selectedCategory?.levels.filter("language = %@", language)Language can be any string, in this instance for me language is a two alpha character such as 'fr', 'en' or 'de'.
Further to this you can continue to chain this query through including sort as per
levels =...
Andrew Fletcher
•
A handy resource list of fonts for iOS:
iOS Font List -...
Andrew Fletcher
•
https://github.com/kylebrowning/waterwheel.swift
After a short amount searching...
Andrew Fletcher
•
Ha you have read it before, one of those throw away lines that is written "just...
Andrew Fletcher
•
After coding for 16 years... I have decided to have a go at building apps in...