Last night I was thining that programming languages can have a feature in which we should be able to constraints the values assigned to primitive data types.
I never need the ending newline I get from gets. Half of the time I forget to chomp it开发者_运维知识库 and it is a pain in the....
In most cases, languages will not allow manipulations of references to primitives. Eg.: var a = 0; var b = a; // value is copied
So I now have a fairly complete LISP (scheme) interpreter written in haskell.Just for fun I want to try to have it compile down to LLVM.Most of the code generation seems pretty straight forward, but I
This question already has answers here:开发者_开发问答 Closed 11 years ago. Possible Duplicate: Learning to write a compiler
Suppose we have 2 tables, a and b: CREATE TABLE a (id_a INT NOT NULL PRIMARY KEY, id_b INT NOT NULL) INDEX fk_id_b (id_b ASC),
Because the Java language required all interface开发者_运维技巧 members to be public and the original designers didn\'t want to force the \"methods\" of java.io.Serializable to be public, this was not
Why don\'t the function handling functions like call_user_func() support passing parameters by reference?
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
Some time ago Oracle decided that adding Closures to Java 8 would be an good idea. I wonder how design problems are solved there in comparison to Scala, which had closures since day one.