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Event system in Python

...he same, but uses a set instead of a list to store the bag, and implements __call__ which are both reasonable additions. PyNotify is similar in concept and also provides additional concepts of variables and conditions ('variable changed event'). Homepage is not functional. axel is basically a bag-o...
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Cannot ping AWS EC2 instance

... I can ping now but do you know how I can allow my node app listening on a port to be reachable? – FluffyBeing Dec 1 '19 at 22:42 ...
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What's the pythonic way to use getters and setters?

... Try this: Python Property The sample code is: class C(object): def __init__(self): self._x = None @property def x(self): """I'm the 'x' property.""" print("getter of x called") return self._x @x.setter def x(self, value): print("sette...
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How to check “hasRole” in Java Code with Spring Security?

... Spring Security 3.0 has this API SecurityContextHolderAwareRequestWrapper.isUserInRole(String role) You'll have to inject the wrapper, before you use it. SecurityContextHolderAwareRequestWrapper share | ...
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vbscript output to console

...() For i = 1 To 50 printf "" Next End Function printf " _____ _ _ _____ _ _____ _ _ " printf "| _ |_| |_ ___ ___| |_ _ _ _| | | __|___ ___|_|___| |_ " printf "| | | '_| . | | --| | | | . | |__ | _| _| | . | _|" printf "|...
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How do I get the path of the current executed file in Python?

... the main script can import the module and use that to locate itself. some_path/module_locator.py: def we_are_frozen(): # All of the modules are built-in to the interpreter, e.g., by py2exe return hasattr(sys, "frozen") def module_path(): encoding = sys.getfilesystemencoding() if ...
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How to prevent a dialog from closing when a button is clicked

...ing validation to your dialog, especially when you already have a helper wrapping class to deal with alerts – Guillaume Nov 18 '11 at 23:19 ...
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Using comma as list separator with AngularJS

... I'm using this approach since it allows me to use a filter on each value in the list. – C Fairweather Feb 3 '16 at 18:58 ...
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How to add a 'or' condition in #ifdef

...¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯|// #ifdef CONDITION_01 //| |// #define TEMP_MACRO //| |// #endif //| |// #ifdef CONDITION_02 //| |// #define TEMP_MACRO //| |// #endif ...
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What's the difference between globals(), locals(), and vars()?

... the same dict each time - it's attached to the stack frame object as its f_locals attribute. The dict's contents are updated on each locals() call and each f_locals attribute access, but only on such calls or attribute accesses. It does not automatically update when variables are assigned, and assi...