Top "Expression" questions

Combination of several programming symbols and values intending to produce a result

Boolean and Math Expression Parser

I am writing an application that allows a user to enter a boolean expression. I need the ability to evaluate …

.net compact-framework parsing boolean expression
Expression for Type members results in different Expressions (MemberExpression, UnaryExpression)

Description I have a expression to point on a property of my type. But it does not work for every …

c# .net lambda expression
Evaluating properties inside Spring Expression Lang (SpEL)

Our service has a process that is scheduled according to a properties file, reading the property refreshIntervalMillis. Its value is …

java spring properties expression spring-el
QLineEdit Validation for {[A-Z] [a-z][0-9]} text input

I want to accept a new username from the user in my application. I want the username string to contain …

validation qt4 expression qlineedit
Reflection Performance - Create Delegate (Properties C#)

I'm having performance problems with using reflection. So I decided to create delegates for the properties of my objects and …

c# reflection action expression setvalue
Bash RegEx to check floating point numbers from user input

I'm relatively new to bash programming and i am currently creating a simple calculator. It needs to use floating point …

regex bash expression bash4
Create an Expression<Func<,>> using reflection

Im using Moq to create mocks of a data set. I have created a little helper class that allows me …

c# reflection lambda moq expression
C character values arithmetic

I have been reading from the book "The C Programming Language" learning C, and I stumbled upon the arithmetic s[…

c char ascii expression atoi
What's so great about Func<> delegate?

Sorry if this is basic but I was trying to pick up on .Net 3.5. Question: Is there anything great about …

delegates lambda expression func
How to write lambda expression with EventHandler javafx

I'm trying to rewrite this code new EventHandler<MouseEvent>() { @Override public void handle(MouseEvent e) { System.out.println(…

java javafx lambda expression eventhandler