(lldb) expr -l ObjC -- int (^$double)(int) = ^int(int num) { return num*2; }; (lldb) expr -l ObjC -- $double(2); (int) $1 = 4 However, doing the same via the Python ...

In programming—and computer science in general—an expression is something which can be evaluated—that is, a syntactically valid combination of constants, variables, functions, and operators which ...

You have already written a “Hello, World!” program. As you can see, this isn’t very flexible—you provided the exact text you wanted to print. However, more often than not, we don’t know the values we ...

I was involved in a recent discussion on the "best" way to remove a given parameter from a URL string. The conversation began with using string primitives to split and join the parameter, a method ...

Of all the reasons Python is a hit with developers, one of the biggest is its broad and ever-expanding selection of third-party packages. Convenient toolkits for everything from ingesting and ...

I would like to add functionality to assign variables using an expression that has the source data as a namespace. This will provide functionality similar to R's nonstandard evaluation. Because Python ...