...Gemfile.lock in your working directory that you cannot remove by either checkout, reset [--hard], stash, probably Rails' Spring is the culprit and not Bundler itself. Fix spring stop
...of the linked Stackoverflow post supposes Spring re-writes the Gemfile.lock on change to ensure all Spring processes are using the same gem versions. Meh...
Lightweight Angular JS directive to upload files Includes polyfills for old IEs. Unfortunately, their auto-loading mechanism may not work...
...buy iApps. Buying an iPad for your kids isn't a means of jump-starting the realization that the world is yours to take apart and reassemble; it's a...
...way of telling your offspring that even changing the batteries is something you have to leave to the professionals...
Splitting a long method into sub methods is easier in instances since it is in classes. Since you must not save state in a class, you need...
...a long chain of parameters again and again. If your public API has a single entry point, you can still have a class-level method that takes care of constructing...
E. g. in the following example, Array could mean either Foo::Array or simply Array: class Foo def list Array.new end end What Ruby does here is to see...
...if the name Array makes sense inside of Foo::, and if that fails, resolves it to ::Array (without a namespace). The bad This is relevant for old Ruby versions. Ruby...
YARD 0.6 adds the ability to serve documentation for gems as well as the current project with yard server. Just like gem server in RubyGems, you can serve gem docs...
...The advantage to YARD’s server is that you don’t need to pre-generate the static docs (with a gem install) before running the server. If you installed your...
...is a method Hash#to_query that will turn a Hash into a query string: >> {:a => "a", :b => ["c", "d", "e"]}.to_query => "a=a&b%5B%5D=c&b...
...a=a&b[]=c&b[]=d&b[]=e" If you're on the browser side, you can serialize nestd objects to query strings using jQuery's $.param...
Quick introduction to git internals for people who are not scared by words like Directed Acyclic Graph. The linked page offers a simple yet concise explanation of how git is...
...a directed acyclic graph with post-it notes'). Each feature is illustrated by a simple diagram, so you get a sound understanding of how each command affects git's structure...
A lot of the advice involves less separations of concerns in your code ("don't use $watch", "don't use isolated scopes"), but it's a nice summary of what...
...the purpose of this article "large" mostly mean "large number of watchers/bindings on a single screen". Angular doesn't automatically become large just because you have a lot of screens...
...multiply a BigDecimal with another BigDecimal, the result will be a new BigDecimal with sufficient precision to represent the result. No rounding or clipping should occur in that operation.
...means you just transitioned back into the land of random rounding errors. Don't screw up your clean BigDecimal values by thoughtlessly multiplying them with a Float. For instance, this...
Fixed bugs where calling valid? would change the record's state...
...probably one of the most dramatic reimaginations of the desktop user interface I’ve seen in a long time. This concept proposes a multitouch interaction system that does not require...
...a multitouch screen (and thus does not have to deal with all the problems such a screen causes), but instead uses a multitouch area near the keyboard...
Non-static elements will not inherit their parent's opacity in IE for no good reason. This can lead to unexpected behaviour when you want to fade/hide an element and...
To fix it, give the parent element defining the opacity a non-static positioning. For example: .parent { opacity: 0.2; position: relative; /* for IE */ } While the linked article describes...
...definitive reference for what work is triggered by changing various CSS properties. It's something I get asked about often enough by developers, and while we can do tests with...
...DevTools, I have both the time and inclination to shortcut that for everyone. I'm nice like that. —Paul Lewis
Pour color on your Rails console with awesome_print. Turn confusing long strings into formatted output. Have objects and classes laid out clearly whenever you need it. Put gem 'awesome...
...ap that will give you a colored, formatted output of whatever you pass it. See the example output of the User class below. For customization visit the repository on Github...
The linked article has a great explanation how to to deal with string encodings in Ruby. Furthermore you can check out some of our cards about encoding: Ruby's default...
...encodings can be unexpected How to fix invalid byte sequence in UTF-8 error
Chargify handles every aspect of recurring billing for your Web 2.0 or SaaS company so there’s no need to build a custom billing application. In addition to processing one...
...are times when you have a chunk of text that you want to do something with, e.g. replace something on it, or quickly edit it. While you can open your...
...favorite non-RubyMine editor for this, there is also a plugin: Scratch. It allows RubyMine to open temporary files (actually they are saved, but somewhere inside the plugin's directory...
Ruby's net/http is setup to never verify SSL certificates by default. Most ruby libraries do the same. That means that you're not verifying the identity of the server...
Bundler 2 introduced various incompatibilites und confusing behavior. To add to the confusion, Bundler's behavior changed after the release...
This article will show you how to use throw and catch. It's a nice tool to break out of multiple loops when a result is obtained.
...card Ruby: A small summary of what return, break and next means for blocks...
Ruby's standard library is in the process of being gemified. It will soon - Ruby 2.5 - consist of RubyGems, which can be updated independently from Ruby. This might mean smoother...
...Ruby upgrades in the future. If breaking API changes happen in standard gems, we can update these before upgrading Ruby...
...should be familiar with coordinates. Most JavaScript methods deal with one of two coordinate systems: Relative to the window(or another viewport) top/left. Relative to the document top/left.
The rack-contrib gem brings a JSONP middleware that just works™. Whenever a JSON request has a callback parameter, it...