trojanischer
esel
Categories
About
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Hi, I'm
Simon
,
this is my blog
.
It's all about programming.
2019
Sep 25
A short take on VueJs - Pizza Pi Comparator
Sep 11
Finally, I accept JS for what it is
Apr 01
Setup a VPS with Traefik and Docker
Feb 10
Rails Console for Sinatra
2018
Dec 02
Scope your OOP Coffeescript in modern Rails Apps
Aug 23
Use Go To Definition in Atom
Jul 22
CSS Grid Layout in 3 lines of code
Jun 25
youtube-dl 'ERROR: av_interleaved_write_frame(): Invalid argument'
Jun 10
ActiveRecord find where not null or empty
May 03
Clean up your branch, before submitting a Pull Request
Apr 13
Ruby's Safe Navigation Operator
Apr 08
List all classes of an element with jQuery
Mar 24
Install and run Docker on a Raspberry Pi
Mar 15
ActiveRecord Find By Year, Day or Month on a Date field
Mar 03
Install pg gem on Mac with Postgres.app
Feb 11
Visualization of Algorithms
Feb 11
Write closures with Python
Feb 10
Roman Numerals with Ruby
Feb 09
Refactor like a boss with Sandi Metz
Feb 09
Ruby 2.5 by example: Hash.slice
Feb 07
Ruby, Watir and Chrome on Heroku
Feb 06
Ruby's blocks and scope
Feb 01
Ruby's new yield_self
Feb 01
Load Database into a Pandas DataFrame using sqlAlchemy
Jan 29
Test OmniAuth protected Controllers (Rails)
Jan 24
Ruby vs. Python reverse()
Jan 19
Reading Yaml Config Files for Ruby Scripts
Jan 18
Sync Directories with Ruby (no deletion)
Jan 17
Base64 image encoding / decoding in ruby
Jan 16
Plot ECDF Charts Python Data Science
Jan 16
Simple Jekyll Gallery
Jan 15
Finding Anagrams with Elixir
Jan 08
Understand Recursion. An example in Python.
2017
Dec 31
Cluster Computing with some Raspberry Pis
Dec 28
Install Python 3.6 on a Raspberry Pi 2 or 3
Dec 20
Find all devices in network
Dec 18
Count Intersections of a list with a 2D-Array
Dec 14
Pop a Display Notification from a Bash Script on Mac
Dec 12
Loot a Blogspot Blog and Save the Contents as Markdown (for a Jekyll backup)
Dec 11
Fibonacci in Python
Dec 11
Optional Command-Line Arguments for Python
Dec 04
Beautiful and idiomatic Python with Raymond Hattinger
Dec 04
Exceptions in Ruby - a Beastiary
Nov 25
Format USB-Stick from Terminal in Mac OS X
Nov 20
Use heroku for Automated Tasks
Nov 17
Plough Through Large Datasets From a Database with Python's SQLAlchemy
Nov 13
jQuery Plugin for showing google places reviews
Sep 04
Scrape JS Rendered Websites with Ruby and PhantomJS
Aug 25
Parallel Http Requests with HTTPoison in Elixir
Aug 24
Generate PDFs with wkhtmltopdf, wicked_pdf in Rails without breaking your layout (tables)
Aug 21
Tail-Call optimized Fibonacci Calculation in Elixir
Aug 18
Solving Einsteins Riddle with Elixir
Aug 14
Simple Linear Regression with Python
Jun 06
Arel to the rescue
May 19
Implement Permutation in Elixir
May 18
Set hreflang for SEO in a globalized Rails App
May 06
Setup a Sinatra App on your Raspberry Pi and autostart the app using asdf and cron
May 04
Do not reinvent the wheel, use programming-idioms!
Apr 26
Do NOT enumerate Enumerators
Apr 25
Conditional Index with Postgresql and Rails
Apr 20
Sexy Submit Buttons in Rails 4+
Apr 02
Count Objects in a Memory Efficient Way in Rails
Mar 31
Hit Strings with the Shovel
Mar 23
Persistent cookies with Sinatra
Mar 23
Active Record and dup vs clone
Mar 22
Debounce functions with coffeescript
Mar 20
Working with Ruby's magical Eigenclass
Mar 18
Using class_eval
Mar 14
Simple Internal DSL with Ruby
Mar 04
Destructuring with Ruby
Feb 28
Special treatment for last element in an Array
Feb 19
BCrypt in Ruby
Feb 13
Use Modules to boost your OOP
Feb 13
Set a standard value for a form element
Feb 13
Set standard date and time format in a rails app
Feb 10
Enforce Error Callback in an AJAX Call from controller method in Rails
Feb 02
Obfuscate email addresses for Spambots and Crawlers
Jan 31
strftime does not localize
Jan 27
Basic Array Operations in Ruby
Jan 19
Custom fields in collection_select
Jan 15
Update your letsencrypt email credentials with certbot
Jan 14
Using certbot to establish SSL in a Rails App on heroku
Jan 13
Rails Gem Bootstrap Sass, but the icons won't work
Jan 12
Send a custom flash notice via a link_to helper in Rails
Jan 12
Show current git branch in Terminal
Jan 09
List and Count the Tables of your Rails App
2016
Dec 25
Copy Arrays and Lists
Oct 24
Login to a CSRF-Token Secured Website Using Mechanize
Oct 08
Turbolinks is misunderstood
Sep 27
XML Sitemap in Rails without using a Gem
Sep 24
Combine two ActiveRecord::Relation objects
Sep 20
Around Filter in Rails Controllers
Sep 17
Per Page JavaScript in a Rails App
Sep 15
Make jQuery and Turbolinks work together in a Rails App
Sep 11
Prevent Double Clicks in Forms
Sep 09
Eager Load for Samples of Data to Count Relations in Rails