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  1. What is the difference between $ {var}, "$var", and "$ {var}" in the ...

    Aug 9, 2013 · What the title says: what does it mean to encapsulate a variable in {}, "", or "{}"? I haven't been able to find any explanations online about this - I haven't been able to refer to them except for...

  2. linux - What goes in /var? - Stack Overflow

    Aug 29, 2013 · 123 That description of /var is self-contradictory. /var contains things that are prone to change, such as websites, temporary files (/var/tmp) and databases. The name is an abbreviation of …

  3. 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 variables are scoped …

  4. 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...

  5. 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 is the …

  6. Access files in /var/mobile/Containers/Data/Application without ...

    Jun 27, 2016 · A program logs some message in directory /var/mobile/Containers/Data/Application on iPhone. Is there any way I can get access to this directory without jailbreaking iPhone?

  7. What is indirect expansion? What does $ {!var*} mean?

    Dec 15, 2011 · What is indirect expansion? What does $ {!var*} mean? Asked 14 years, 1 month ago Modified 10 months ago Viewed 80k times

  8. 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 already known at …

  9. javascript - Is declaring multiple variables in the same var statement ...

    Assignment in javascript works from right to left. var var1 = var2 = var3 = 1;. If the value of any of these variables is 1 after this statement, then logically it must have started from the right, otherwise the …

  10. php - What is /var/www/html? - Stack Overflow

    Closed 12 years ago. I am starting to pick up PHP / MySQL, but in all the documentation I'm reading, it mentions /var/www/html as being the folder you want to install a framework such as CakePHP, or for …