...table names and execute a DROP TABLE statement for each. DO $$ DECLARE r RECORD; BEGIN FOR r IN (SELECT tablename FROM pg_tables WHERE schemaname = current_schema()) LOOP EXECUTE 'DROP...
In Thunderbird, you can set custom font faces and sizes for reading plain-text e-mails. However, Thunderbird sometimes "randomly...
If others on a call (Skype, SIP, ...) can not hear you loud enough, your volume levels are probably too low...
During debugging you might pepper your code with lines like these: console.log('foo = ' + foo + ', bar = ' + bar) I recommend to use...
When such a virtual attribute should contain Date values you might get unexpected behavior with forms, because every param is a string and you don't get the magic...
The Angular 1.2 way: # By default, angular returns undefined for invalid attributes which removes # the value from the form field...
...specifying the controller as 'user/...' would make Rails expect views in view/user/... (singular) The better approache might be to use a module. See this card on how to namespace with...
When refactoring a sequence of steps to a new, more descriptive step, you can use the steps method and Ruby...
When such a virtual attribute should contain integer values you might get unexpected behavior with forms, because every param is a string and you don't get the magic...
When using git diff, you might encounter weird characters where umlauts (or any other UTF-8) characters should be. It...
You know that you can use jQuery's text() to get an element's contents without any tags.
...the tree structure, but just replicate all the needed data into the database, the best option is to use SAX parser. When you read very large XML files Nokogiri may...
...on table rows (use case would be clicking the 1st link inside it for better UI). Consider this setup: hello ^ $(document).on('click', 'tr', function () { alert('row clicked') });
When building a form with a file select field, you may want to offer your users a live preview before...
When you get an error like this: Invalid gemspec in [/opt/www/foo-project.makandra.de/shared/bundle/ruby/1.8/specifications/carrierwave-0.6.2.gemspec]: Illformed requirement ["# 1.1.4"] ... the machine's Rubygems needs to...
Consider this HTML: Even though the surrounding container defines a line-height, which vertically centers its inline elements, the check...
If you have issues with PDFs, fix them like this: pdftk .pdf output .pdf Background I had an issue where...
You probably already manage servers you often connect to inside the ~/.ssh/config file. What is nice: you may define alias...
...link_tag 'screen', :media => 'screen' %> These would be your two screen Sasses: # screen_with_pie.sass =pie behavior: url(/stylesheets/lib/PIE.htc) position: relative @import base.sass # screen.sass =pie // No pie for you @import base.sass
Ruby 2.3.0 has been around since end of 2015. It brings some pretty nice new features! Make sure to read...
...complain about calling nil.name or nil.macro while it tries to process the association list. Best practice Make sure to do it this way: params.to_hash.symbolize_keys.merge(:include => { :user => :avatar }) (Note that params.to...
...browser. You don't need CoffeeScript or an ES6 transpiler like Babel. A cosmetic benefit is that the module pattern works without the use of this or prototypes. Example
Copy and paste at will, they're free! German quotation marks: „ “ (Ubuntu-Hotkey: AltGr+v and AltGr+b) English quotation...
...Add development to existing environments in the Raven.configure block: config.environments = ['development', 'staging', 'production']. Remove better_errors from Gemfile if existing and bundle. With Raven.capture_message('Test from development') you can...