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 …

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 …

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 …

The space before the = is interpreted as part of the name, and the space after it (as well as the quotation marks) are interpreted as part of the value. So the variable you’ve created can be …

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 …

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 …

Note that the approach in the accepted answer by @APC can be used without PL/SQL, e.g. in a SQL Developer worksheet as per your question. Just declare the variable on one line (no …

Aug 1, 2012 · There are mainly three types of variables in MySQL: User-defined variables (prefixed with @): You can access any user-defined variable without declaring it or initializing …

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 …

Feb 24, 2018 · After an upgrade I got the permission denied. Doing the steps of 'mkb' post install steps don't have change anything because my user was already in the 'docker' group; I retry-it …