Define your own function in a Makefile (Example)
Looking at some targets of my Makefile I saw that there were some duplication. I didn't know that I could create functions... Until now :-) Here is a simple Makefile with a custom function: define generate_file sed 's/{NAME}/$(1)/' greetings.tmpl >$(2).txt endef all: $(call generate_file,John Doe,101) $(call generate_file,Peter Pan,102) Contents of greetings.tmpl: Hello {NAME} This is how you exec
Building large apps with AngularJS (Example)
New to AngularJS? Confused by directive mumbo-jumbo? Giddy over Angular's magic and your new productivity? Jaded by gotchas you didn't see coming? Enjoying the zen of Angular? Check out my presentation on building large apps with AngularJS Whatever your experience with Angular and whatever size of project you're working on, there will come a day when you encounter Angular in the wild being used on
How to generate ActiveRecord insert SQL (Example)
I came up with this a while back in response to a question asked on Twitter. I just came across it after being asked about it again, yet I've never had a use for it myself. This will give you the SQL INSERT statement generated by ActiveRecord for the attribute values set on the model instance. record = Post.new(:title => 'Yay', :body => 'This is some insert SQL') # easiest way to achieve this is b
How-To Use Pointers/Relations - Parse.com JavaScript SDK (Example)
<dl> Pre-Note: This is aimed at the JavaScript SDK of Parse, however it may help if you are using a different SDK like Android. So if you are having issues with Relations/Pointers give this a read! </dl> Edit: @tyaramis sparked a great question of how to do multi-dimensional querying in Parse, so I made another protip dedicated to his question: https://coderwall.com/p/-uzbrq/multi-dimensional-quer
Free background jobs on heroku (Example)
Rails + Sidekiq with a single heroku dyno Sidekiq is a gem for background jobs and a great alternative to Resque or DelayedJob. To set it up with a rails app on heroku normally requires an extra worker process. You can avoid the need for an extra dyno by using unicorn as your webserver. Unicorn lets you spawn your sidekiq workers within your web dyno. Sidekiq your web dyno! if your Profile looks l
Docker Cheat Sheet with examples (Example)
Original post is here Docker Cheat Sheet is a nice documentation. It provides us Docker basic commands and system and It's easy to understand. But there are less exaples, I reconstructed it with real examples. You should refer above document about installation. Set up Pull a base image. docker pull ubuntu It's annoy to restore Container ID, you may forget to restore. You can set below alias. With
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Structs with type-casting in Ruby (Example)
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