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 · 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 …
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 …
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 …
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 …
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 …
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?
What is the purpose of the var keyword and when should I use it …
Apr 13, 2012 · Since var declares a variable in the current scope , there is no difference between declaring var inside window and not declaring it at all. The difference comes when you're not …
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 …
What does "var" mean in C#? - Stack Overflow
Jun 11, 2020 · var is a "contextual keyword" in C# meaning you can only use it as a local variable implicitly in the context of the same class that you are using the variable.