Bundler 2 introduced various incompatibilites und confusing behavior. To add to the confusion, Bundler's behavior changed after the release...
If you're on Ubuntu: sudo apt-get install ruby-dev On other platforms: Look for a package containing ruby header files. On Red Hat that's "ruby-devel" likely...
If you get the above error when running tests in bulk (but not individually), it's actually the fault of...
When you drag a file from a Nautilus window into a terminal window, the file's path will be pasted...
If you need a gem for a certain purpose, be sure to check this site. The rankings are determined by counting up the number of forks and watchers of various...
...under active development and fairly up to date, and it's very useful to see groups of gems broken down by category...
Bryan talked about the differences between imperative and declarative scenarios. In my opinion, both styles have benefits and should be used appropriately based on the situation. The majority of examples...
...on rspec's story runner currently on the web, including mine, are of the imperative type. Since the declarative type has many advantages I thought it would be worth while...
Small (1.5 KB) Javascript library that lets you render tables, lists, etc. with hundreds of thousands of items. How it works is that you move your data set from the...
...DOM into JS. Clusterize than makes sure only the rows in the viewport (and adjacent batches) are rendered. I believe that AngularUI's data grid component uses a similar technique...
Parses URLs of social networks to extract IDs or screen names. It does not get confused by child routes: you may also pass URLs like a user's twitter photo...
...stream and the gem will extract their twitter ID . Note that it just parses URLs, and does nothing magic like looking up IDs when the URL contains only a screen...
...is that the purpose of refinements in Ruby 2.0 is to make monkey-patching safer. Specifically, the goal is to make it possible to extend core classes, but to limit...
...the effect of those extensions to a particular area of code. Since the purpose of this feature is make monkey-patching safer, let’s take a look at a dangerous...
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...
Let's say you have an Explorer window showing a directory and want a cmd terminal to be opened there.\ While you needed a PowerToy on Windows XP, this is...
...a build-in feature for Windows 7. Simply press and hold the Shift key and right-click a folder icon or into empty space of an Explorer window.\
If you're using the Capybara webdriver, steps sometimes fail because the browser hasn't finished loading the next page yet, or it still has a pending AJAX request. You...
...ll often see workarounds like When I wait for the page to load Then ... Workarounds like this do not work reliably, will result in flickering tests and should be avoided...
...to facilitate website testing in multiple versions of IE, regardless of the host operating system. Unfortunately, setting these virtual machines up without Microsoft's VirtualPC can be extremely difficult. These...
...scripts aim to facilitate that process using VirtualBox on Linux or OS X. With a single command, you can have IE6, IE7, IE8 and IE9 running in separate virtual machines...
...open files with "full" (100%) zoom and not try to fit them to your screen? Tough luck -- there is no setting for this. But, after opening the file, you can...
...any TTF or OTF font (license permitting), by bringing in font glyphs as vector shapes, providing a completely overhauled font generated to the user's specification with alternative metrics options...
...alternative hinting types, kerning and spacing options and the facility to make any average free font look great. Examples are here
...mark up links that should use Wiselinks It can refresh content in a given selector only (think framesets), whereas Turbolinks always refreshes the whole body It can submit forms without...
Imagine all the syntactical delights of Ruby and Haml for your JavaScript. You write in a nice language, but get normal JavaScript at runtime. All whilst having full access to...
...3rd-party JavaScript libraries (jQuery, PrototypeJS), debugging support (it becomes pure, readable JavaScript), existing support from test suites (it’s normal JavaScript) and growing support from various text editors (TextMate...
When you are working with jQuery selectors and collections, many times you want to know if the collection actually contains the elements you wanted to select. Here's a tiny...
Service that you can integrate for user feedback. Super-simple integration: Add a...
Apple’s App Store was a constant source of stress in the development process. Every time another story of Apple randomly booting an app from the store came out, the...
...Apple could deny the app, or even keep it in limbo forever, made us second- or third-guess every design decision. “Will this pixel hurt our chances of getting accepted...
Testing with real live production data does come with at least one catch. All those real live users in your...
Web designers must be free to experiment with these new fonts, to sketch, comp and get to know these typefaces in browser and non-browser applications. This is...
This isn't about commercial software vs. Open Source software. It's about assessing your real needs and understanding the cost-benefit balance before making significant financial decisions. Don't...
...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...