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 parameter is followed by …

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 …

May 19, 2018 · Shocking indeed. if var is an array, with more than one element, var and &*var have a different type and sizeof(var) and sizeof(&(*var)) have a different value: the first is the size of the …

I'm trying to define and use a variable in a batch file. It looks like it should be simple:

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?

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 directly …

Dec 3, 2008 · The second one (var doSomething = function(x){ alert(x);}) is simply creating an anonymous function and assigning it to a variable, doSomething. So doSomething () will call the …

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 …

Aug 1, 2012 · How to declare a variable in mysql, so that my second query can use it? I would like to write something like:

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 …