... an auxiliary function for that: # Check that given variables are set and all have non-empty values, # die with an error otherwise. # # Params: # 1. Variable name(s) to test. # 2. (optional) Error message to print. check_defined = \ $(strip $(foreach 1,$1, \ $(call __check_defined,$...

... Now you can do: c = C(fd) # or: c = C.fromfilename('a filename') Notice all those classmethods still go through the same __init__, but using classmethods can be much more convenient than having to remember what combinations of keyword arguments to __init__ work. isinstance is best avoided becaus...

Is there a way in python to programmatically determine the width of the console? I mean the number of characters that fits in one line without wrapping, not the pixel width of the window. ...

... The type of a lambda expression is unspecified. But they are generally mere syntactic sugar for functors. A lambda is translated directly into a functor. Anything inside the [] are turned into constructor parameters and members of the functor object, and the parameters inside () are turned ...

I would like to get all descendant text nodes of an element, as a jQuery collection. What is the best way to do that? 11 An...

...(x)) and then save the document again. If you need to do this programmatically and entirely from the shell, you can use the find(...).forEach(function(x) {}) syntax. In response to the second comment below. Change the field bad from a number to a string in collection foo. db.foo.find( { 'bad' :...

... the memory management rules for declared properties, too — more specifically, for declared properties’ accessors: You take ownership of an object if you create it using a method whose name begins with “alloc”, “new”, “copy”, or “mutableCopy”. A property named newTitle, whe...

Is there a way to get all attributes/methods/fields/etc. of an object in Python? 4 Answers ...

... of Sun's symbol versioning scheme described here. One option is to statically link your binary. This is probably the easiest option. You could also build your binary in a chroot build environment, or using a glibc-new => glibc-old cross-compiler. According to the http://www.trevorpounds.com...

...evaluate the right operand. So if m == null, then m.isEmpty() will not be called (not needed, the result is true). – icza Jul 29 '16 at 9:05 ...