linux - What goes in /var? - Stack Overflow
Aug 29, 2013 · I read The Linux Command Line by William Shotts, and there are some descriptions of Linux files (system directories): The /var directory contents don't change. This …
What is the difference between $ {var}, "$var", and "$ {var}" in the ...
Aug 9, 2013 · $var and ${var} are the same, if var is the name of the variable. The braces are required when parameter is a positional parameter with more than one digit, or when …
javascript - Difference between var = {} and var ... - Stack Overflow
Possible Duplicate: Objects vs arrays in Javascript for key/value pairs I have a variable in JavaScript which I am using like a hash. I can initialize it like: var selected = []; or var selec...
What is the difference between "let" and "var"? - Stack Overflow
Apr 18, 2009 · Scoping rules The main difference is scoping rules. Variables declared by var keyword are scoped to the immediate function body (hence the function scope) while let …
java - The difference between ++Var and Var++ - Stack Overflow
tldr; Although both var++ and ++var increment the variable they are applied to, the result returned by var++ is the value of the variable before incrementing, whereas the result returned by ++var …
c# - How to initialize var? - Stack Overflow
May 25, 2010 · C# is a strictly/strongly typed language. var was introduced for compile-time type-binding for anonymous types yet you can use var for primitive and custom types that are …
how to display a javascript var in html body - Stack Overflow
Nov 29, 2016 · Learn how to display JavaScript variables in the HTML body using simple and effective methods.
c# - What to use: var or object name type? - Stack Overflow
string[] myFiles = Directory.GetFiles(fullPath); var is new and is a Implicitly Typed Local Variables, so we can only use locally and it has rules like can't be null, etc., but I wonder if we get any …
What is indirect expansion? What does $ {!var*} mean?
Dec 15, 2011 · I'm reading " Bash Guide for Beginners ". It says: If the first character of PARAMETER is an exclamation point, Bash uses the value of the variable formed from the …
What does 'var that = this;' mean in JavaScript? - Stack Overflow
Feb 3, 2011 · In a JavaScript file I saw: function Somefunction(){ var that = this; ... } What is the purpose of declaring that and assigning this this to it?