When a directory has more than a few thousand entries, ls will start taking really long to list its content...
You can have a command repeatedly executed and the output displayed. This is useful e.g. for monitoring file system changes...
If you are fine with the default console diff most of the time but only sometimes want to use an...
This might be relevant for us since we're often managing customer documents in our apps. I played around with...
VCR lets you configure how it matches requests to recorded cassettes: In order to properly replay previously recorded requests, VCR...
If you want to find the commits that touched a specific text in a file, use git log -S 'text...
Using the -U parameter you can change how many lines are shown above and below a changed section.
We often use VCR to stub external APIs. Unfortunately VCR can have problems matching requests to recorded cassettes, and these...
Run dconf-editor (as your user) Go to org / mate / panel / objects / clock / prefs Change the key format to custom...
SVG is an acronym for "scalable vector graphics". SVGs should be used whenever an image can be described with vector...
Icomoon.io offers a free app to build custom icon webfonts. It offers downloads as webfont set (.eot, .ttf, .woff, .woff2...
#reverse_order does not work with complex sorting constraints and may even silently create malformed SQL for rails < 5.
Rails 5 / 6 / 7 Method Uses Default Accessor Saves to Database Runs Validations Runs Callbacks Updates updated_at/updated_on Respects Readonly...
AWstats is build to regularly run on webservers. If you want it to build a report once, here is the...
You might get the above error message when cloning certain git repositories (for example the rails repository). It indicates that...
You can find great stock photos on pexels.com. All pictures are free for personal and commercial use without attribution, and...
Detect if a gem has been activated A gem is activated if it is either in the current bundle (Gemfile.lock...
To get your F12 key back for other shortcuts, stop Tilda: killall tilda To prevent Tilda from starting on boot...
We have released a new library Gemika to help test a gem against multiple versions of Ruby, gem dependencies and...
This error can be caused by the mysql2 gem under mysterious circumstances. You need to remove it with gem uninstall...
Say you have an RGBA color that you need as a non-transparent color because of reasons. Basically, this is...
Same requests are recorded only once in vcr. Replaying a test fails, if you trigger the same request multiple times...
I've encountered a Ubuntu 16.04 today, where localhost resolved to ::1 instead of 127.0.0.1. This will not usually make...
Good article about what "gamma correction" means for color processing, and what "sRGB" actually means. You probably do not need...