the usage of ' ' and " " in defining string variables
1261
Single quotes vs. double quotes in Python
48128
Declaring variables inside or outside of a loop
15812
What is the naming convention in Python for variable and function names?
60733
Index and length must refer to a location within the string
104800
How to include quotes in a string
43716
Difference between string object and string literal
111655
What is the difference between single-quoted and double-quoted strings in PHP?
105633
What characters are valid for JavaScript variable names?
16292
Python string interning
94152
What is the Java string pool and how is "s" different from new String("s")?
38162
What's the use/meaning of the @ character in variable names in C#?
158643
How to include " in a string
44828
Do I really need to encode '&' as '&amp;'?
68215
Proper use of arbitrary number of variables
74517
Is using 'var' to declare variables optional?
86808
How to determine if a string is a valid variable name?
110165
What is "x && foo()"?