Using a XPath query how do you find if a node (tag) exists at all? For example if I needed to make sure a website page has the correct...
I’m using jQuery. I have a string with a block of special characters (begin and end). I want get the text from that special characters block. I used a...
I have two expressions of type Expression<Func<T, bool>> and I want to take to OR, AND or NOT of these and get a new expression of the same type...
I came across the following program, which compiles without errors or even warnings: int main(){ <:]{%>; // smile! } Live example. What does the program do, and what is...
In Python, what is the difference between expressions and statements? 15 Answers 15
I’m asking with regards to c#, but I assume its the same in most other languages. Does anyone have a good definition of expressions and statements and what the...
In C++03, an expression is either an rvalue or an lvalue. In C++11, an expression can be an: rvalue lvalue xvalue glvalue prvalue Two categories have become five categories....
Insert Dimensions to complete Expression/ReferenceType