
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...
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 tree is where data that …
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 …
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?
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?
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 …
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 …
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 …
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.
How to fix Docker: Permission denied - Stack Overflow
Feb 24, 2018 · I ran into a similar problem as well, but where the container I wanted to create needed to mount /var/run/docker.sock as a volume (Portainer Agent), while running it all under a different …