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  1. Is there a JavaScript equivalent of PHP’s “variable variables”?

    And since using global variables in JavaScript is generally discouraged giving your variable variables a unique scope (in this instance, declaring them inside the elementIds array) is not only neat, but also …

  2. What does $_ mean in PowerShell? - Stack Overflow

    4 $_ is a variable created by the system usually inside block expressions that are referenced by cmdlets that are used with pipe such as Where-Object and ForEach-Object. But it can be used also in other …

  3. 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 the @ symbol?

  4. Difference between ++variable and variable++ - Stack Overflow

    Difference between ++variable and variable++ Asked 11 years, 10 months ago Modified 8 years, 10 months ago Viewed 6k times

  5. python - How do I create variable variables? - Stack Overflow

    I know that some other languages, such as PHP, support a concept of "variable variable names" - that is, the contents of a string can be used as part of a variable name. I heard that this...

  6. Why do we use _ in variable names? - Stack Overflow

    Aug 1, 2011 · The underscore in variable names is completely optional. Many programmers use it to differentiate private variables - so instance variables will typically have an underscore prepended to …

  7. Scripting a post response in Bruno as an environment variable

    Oct 2, 2024 · The toString() method converts the raw response data into a string format, while the trim() method removes any leading or trailing whitespace from the string. These changes ensure the …

  8. Why would a JavaScript variable start with a dollar sign?

    The questions wasn't 'Can a JavasScript variable start with a $?', but 'Why would a ...' . thee OP was looking for a reason to use such a naming convention. Protected question. To answer this question, …

  9. MySQL: @variable vs. variable. What's the difference?

    Function variable for which the scope ends when function exits. Package body variables defined at the top of package and outside all functions whose scope is the session and visibility is package.

  10. ++someVariable vs. someVariable++ in JavaScript - Stack Overflow

    Aug 12, 2010 · In JavaScript you can use ++ operator before (pre-increment) or after the variable name (post-increment). What, if any, are the differences between these ways of incrementing a variable?