MySQL: @variable vs. variable. What's the difference?
In MySQL, @variable indicates a user-defined variable. You can define your own. SET @a = 'test'; SELECT @a; Outside of stored programs, a variable, without @, is a system variable, …
Defining and using a variable in batch file - Stack Overflow
370 The spaces are significant. You created a variable named 'location ' with a value of ' "bob"'. Note - enclosing single quotes were added to show location of space. If you want quotes in …
What does the @ symbol before a variable name mean in C#?
Mar 18, 2016 · I understand that the @ symbol can be used before a string literal to change how the compiler parses the string. But what does it mean when a variable name is prefixed with …
How to get text and a variable in a messagebox - Stack Overflow
Dec 25, 2011 · How to get text and a variable in a messagebox Asked 13 years, 6 months ago Modified 1 year, 3 months ago Viewed 202k times
python - Variable Explorer in Jupyter Notebook - Stack Overflow
Jun 9, 2016 · Is there a variable explorer in Jupyter (IPython) like in Spyder? It is very uncomfortable having to print the list of variables all the time each time I run through the test …
Declaring variable workbook / Worksheet vba - Stack Overflow
Sep 25, 2014 · Declaring variable workbook / Worksheet vba Asked 10 years, 9 months ago Modified 1 year, 11 months ago Viewed 460k times
How to declare variable and use it in the same Oracle SQL script ...
How can I declare a variable and reuse it in statements that follow such as in using it SQLDeveloper. Attempts Use a DECLARE section and insert the following SELECT statement …
Is there a JavaScript equivalent of PHP’s “variable variables”?
7 To reference a variable in JavaScript with only a string, you can use window['your_variable_name'] You can set and reference variables, and objects in variables too.
Difference between %variable% and !variable! in batch file
The value of the !_var! variable is evaluated as late as possible while the %_var% variable works just as before. Delayed Expansion will cause variables within a batch file to be expanded at …
How to declare variable type, C style in Python - Stack Overflow
Oct 14, 2010 · To clarify another statement you made, "you don't have to declare the data type" - it should be restated that you can't declare the data type. When you assign a value to a …