Check if parameter exists in Expression Language
30815
Evaluate empty or null JSTL c tags
75213
extracting method name from linq expression
128690
Simple if/else parser for template engine
22741
Compare one String with multiple values in one expression
94841
How can I compare a dynamic variable with a literal in Mathematica?
158033
Check existence of input argument in a Bash shell script
51568
How can I get the unchanged Box form of an arbitrary expression?
10610
How can I check if a single character appears in a string?
17203
How to compare strings in C conditional preprocessor-directives
151487
Determine if inside \lstinline or ordinary lstlisting environment
81447
Defined behaviour for expressions
141197
In JavaScript, is there an easier way to check if a property of a property exists?
82084
Restrict passed parameter to a string literal
14800
How do I check if a string contains a specific word?
152345
Omitting the second expression when using the if-else shorthand
80608
JavaScript check if variable exists (is defined/initialized)
72622
Does Java support default parameter values?