Here is my flow: Form A post data to input.php as B If data is invalid, B send data and error code into cookie and redirect to
I\'ve done a few searches but I couldn\'t find anything about this topic. Perhaps because it is common programmer knowledge (I\'m not a programmer, I\'ve learned from necessity), or because I\'m going
I have a method that has some data objects passed into it, does some calculations to populate previously empty fields on the objects based on the other fields and then sends back the results. This met
I’m making a form with a checkbox where if checked a target file is appended with text-A and if Unchecked the file is appended with text-B
I need to write a state monad that can also support error handling. I was thinking of using the Either monad for this purpose because it can also provide details about what caused the error. I found a
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari
As i understand Haskell does not have a global state, so is there any way to write a function f that will return f(n - 1) + 1, where n is a number of function call and f(1) = 0.
Haskell is a pure functional programming language. My 开发者_Go百科question is: What are the advantages and disadvantages of using Haskell to solve problems involving lots of state, for example GUI p
I have 2 Activities A and B. Now these are my objectives. When I\'m in B and if I press the Home button, the state of the Activity should be saved. (No problem with this.)
I am having a bit of trouble with the \'workflow\' gem, namely, the transitions aren\'t working. What I am trying to do is very basic, I have a \'read/unread\' state for messages between users, the t