... You can totally do that. It's just an ordering issue: [unicode(x.strip()) if x is not None else '' for x in row] In general, [f(x) if condition else g(x) for x in sequence] And, for list comprehensions with if conditions only, [f(x) for x in sequence if co...

...th( os.path.join(os.getcwd(), os.path.dirname(__file__))) The join() call prepends the current working directory, but the documentation says that if some path is absolute, all other paths left of it are dropped. Therefore, getcwd() is dropped when dirname(__file__) returns an absolute path. Als...

...very compiler is required to provide "C" linkage A linkage specification shall occur only in namespace scope All function types, function names and variable names have a language linkage See Richard's Comment: Only function names and variable names with external linkage have a language linkage Two ...

...wsers. What I want to know is how the different objects are structured, in order to get a better understanding of the similarities and differences between them. I'll edit my question later to make that clearer, sorry for the mixup – Elias Van Ootegem Apr 30 '12...

... It is generally a bad pattern to kill a thread abruptly, in Python and in any language. Think of the following cases: the thread is holding a critical resource that must be closed properly the thread has created several other threads ...

...ho "$f" | sed s/IMG/VACATION/)"; done In this example, I am assuming that all your image files contain the string IMG and you want to replace IMG with VACATION. The shell automatically evaluates *.jpg to all the matching files. The second argument of mv (the new name of the file) is the output of t...

... Redefinitions of names will override the old definitions, so this is generally not a problem, but if the new version of a module does not define a name that was defined by the old version, the old definition is not removed. If a module imports objects from another module using from ... import ..., ...

... The standard library includes the ordered and the unordered map (std::map and std::unordered_map) containers. In an ordered map the elements are sorted by the key, insert and access is in O(log n). Usually the standard library internally uses red black trees ...

...er inherited properties, a thing that sometimes is not desired. Also, the order of iteration is not guaranteed by the spec., meaning that if you want to "iterate" an array object, with this statement you cannot be sure that the properties (array indexes) will be visited in the numeric order. For e...

.... Remember that when you distribute your project to other users, they typically install it in such a manner that the Python code files will be automatically detected by Python's importer (i.e. packages are usually installed in the site-packages directory), so if you mess with sys.path in your code, ...