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- Difference between single and double quotes in Bash
A single quote may not occur between single quotes, even when preceded by a backslash 3 1 2 3 Double Quotes Enclosing characters in double quotes (") preserves the literal value of all characters within the quotes, with the exception of $, `, \, and, when history expansion is enabled, !
- How to escape single quotes within single quoted strings
In fact, the former is almost always clearly distinct within a single-quoted string, and thus is just a matter of mapping it semantically to the "it's an escaped quote" meaning, as one does with \" in double-quoted strings Whereas the latter blends into one line of quote ticks and needs careful inspection in many cases to properly distinguish
- SAS macro variable quotes - Stack Overflow
49 ('london' , 'paris') NOTE 49-169: The meaning of an identifier after a quoted string might change in a future SAS release Inserting white space between a quoted string and the succeeding identifier is recommended What is really strange is that I can use this variable if I put in in a %unqote: data new; set old; where city in %unquote
- sql server - What is the meaning of the prefix N in T-SQL statements . . .
To quote from Microsoft: Prefix Unicode character string constants with the letter N Without the N prefix, the string is converted to the default code page of the database This default code page may not recognize certain characters If you want to know the difference between these two data types, see this SO post:
- csv - Azure data Factory escape character and quote issue - copy . . .
Then the \" at the end of your output text is no longer an escaped quote My similar case - when is the escape character not an escape character? I have a field that contains a comma, but comma is also the field separator My data comes from a third party and they have handily escaped this comma for me, using a backslash, thus:
- How to escape double quotes in JSON - Stack Overflow
One thing not addressed in the answers is smart quotes If you copy and paste text into a json file, the double quotes may be smart quotes and this could cause the escaping to not behave as expected
- Differences between single and double quotes in CMD
20 The short answer is that CMD doesn't treat single quotes as anything but a regular character It's not a pair group like double quotes The only place where the single quote has any special meaning is in a FOR F loop, where you are specifying a command to run and iterate over the output
- string - What is the r## operator in Rust? - Stack Overflow
The literal doesn't stop at the quote in the middle, because it's only followed by one #, whereas the literal was started with two # To answer the last part of your question, there's no way to have a string literal that evaluates variables in the current scope Some languages, such as PHP, support that, but not Rust
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