Is there a virtual environment for node.js?
nodeenv – virtual environment for node.js ( Analog virtualenv )
language-comparisons
C# vs Java Enum (for those new to C#)
In C# you can define extension methods on enums, and this makes up for some of the missing functionality. You can define Planet as an enum and also have extension methods equivalent to surfaceGravity() and surfaceWeight(). I have used custom attributes as suggested by Mikhail, but the same could be achieved using a Dictionary. using … Read more
What are the differences between Perl, Python, AWK and sed? [closed]
In order of appearance, the languages are sed, awk, perl, python. The sed program is a stream editor and is designed to apply the actions from a script to each line (or, more generally, to specified ranges of lines) of the input file or files. Its language is based on ed, the Unix editor, and … Read more
Is there a Python equivalent to Ruby’s string interpolation?
Python 3.6 will add literal string interpolation similar to Ruby’s string interpolation. Starting with that version of Python (which is scheduled to be released by the end of 2016), you will be able to include expressions in “f-strings”, e.g. name = “Spongebob Squarepants” print(f”Who lives in a Pineapple under the sea? {name}.”) Prior to 3.6, … Read more
XSLT equivalent for JSON
XSLT equivalents for JSON – a list of candidates (tools and specs) Tools 1. XSLT You can use XSLT for JSON with the aim of fn:json-to-xml. This section describes facilities allowing JSON data to be processed using XSLT. 2. jq jq is like sed for JSON data – you can use it to slice and … Read more
Scala vs. Groovy vs. Clojure [closed]
Groovy is a dynamically typed language, whose syntax is very close to Java, with a number of syntax improvements that allow for lighter code and less boilerplate. It can run through an interpreter as well as being compiled, which makes it good for fast prototyping, scripts, and learning dynamic languages without having to learn a … Read more