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What do you call the -> operator in Ruby?
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=> == Hash Rocket
Separates keys from values in a hash map literal.
-> == Dash Rocket
Used to define a lambda literal in Ruby 1.9.X (without args) and Ruby 2.X (with args). The examples you give (->(x) { x * 2 } & lambda { |x| x * 2 }) are in fact...
Flexbox not giving equal width to elements
...hich you linked and that is flex-basis. By default flex-basis is auto.
From the spec:
If the specified flex-basis is auto, the used flex basis is the value of the flex item’s main size property. (This can itself be the keyword auto, which sizes the flex item based on its contents.)
Each...
What is a git topic branch?
What is a git topic branch? Does it differ from an ordinary branch in some way? Are there any branches that are not topic branches?
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How to navigate back to the last cursor position in Visual Studio?
... examples of things done right. In some ways, VS learned a few good things from emacs with shortcuts that are a sequence of two letters, but ultimately screwed up on other parts with the choice of non-alphanumeric bindings, combined with a broken low-level keyboard handling.
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What is process.env.PORT in Node.js?
...set('port', ...), and that makes your server be able to accept a parameter from the environment what port to listen on.
If you pass 3000 hard-coded to app.listen(), you're always listening on port 3000, which might be just for you, or not, depending on your requirements and the requirements of the ...
What's in an Eclipse .classpath/.project file?
...ined by the core Eclipse platform, and its goal is to describe the project from a generic, plugin-independent Eclipse view. What's the project's name? what other projects in the workspace does it refer to? What are the builders that are used in order to build the project? (remember, the concept of "...
What is the difference between JavaConverters and JavaConversions in Scala?
...a.collection.mutable.Map[String, String]
To use the conversions directly from Java, though, you're better off calling methods from JavaConversions directly; e.g.:
List<String> javaList = new ArrayList<String>(Arrays.asList("a", "b", "c"));
System.out.println(javaList); // [a, b, c]
Bu...
Async call with await in HttpClient never returns
I have a call I am making from inside a xaml-based, C# metro application on the Win8 CP; this call simply hits a web service and returns JSON data.
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How to use relative/absolute paths in css URLs?
...er - it should work for both cases, as long as the structure is the same.
From https://www.w3.org/TR/CSS1/#url:
Partial URLs are interpreted relative to the source of the style sheet, not relative to the document
share...
Visual Studio 2010 - C++ project - remove *.sdf file
...u can safely delete the .sdf file and ipch folder but you can also stop VS from putting those files in the project folder in the first place. (Useful if you have your source in an SVN or other synchronised folder, or if you store your project on a small volume like a USB stick or SSD and you don't w...