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How to watch for array changes?

...de from for...in configurable: false, // prevent further meddling... writable: false, // see above ^ value: function () { for (var i = 0, n = this.length, l = arguments.length; i < l; i++, n++) { RaiseMyEvent(this, n, this[n] = arguments[i]); // assign/raise your event ...
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How do I get list of methods in a Python class?

I want to iterate through the methods in a class, or handle class or instance objects differently based on the methods present. How do I get a list of class methods? ...
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How can I recover the return value of a function passed to multiprocessing.Process?

...follow | edited Oct 12 '17 at 17:16 radtek 23.5k88 gold badges121121 silver badges9191 bronze badges ...
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How do I detect whether a Python variable is a function?

I have a variable, x , and I want to know whether it is pointing to a function or not. 25 Answers ...
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Split views.py in several files

My views.py has become too big and it's hard to find the right view. 10 Answers 10 ...
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Format date and time in a Windows batch script

... I ended up with this script: set hour=%time:~0,2% if "%hour:~0,1%" == " " set hour=0%hour:~1,1% echo hour=%hour% set min=%time:~3,2% if "%min:~0,1%" == " " set min=0%min:~1,1% echo min=%min% set secs=%time:~6,2% if "%secs:~0,1%" == " " ...
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BaseException.message deprecated in Python 2.6

... Solution - almost no coding needed Just inherit your exception class from Exception and pass the message as the first parameter to the constructor Example: class MyException(Exception): """My documentation""" try: raise MyException('my detailed description') ex...
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How do you validate a URL with a regular expression in Python?

...e almost anything is a valid URL. There are some punctuation rules for splitting it up. Absent any punctuation, you still have a valid URL. Check the RFC carefully and see if you can construct an "invalid" URL. The rules are very flexible. For example ::::: is a valid URL. The path is ":::::...
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Determine the type of an object?

...t, dictionary, or something else? I am getting an object back that may be either type and I need to be able to tell the difference. ...
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Is errno thread-safe?

...h , this variable is declared as extern int errno; so my question is, is it safe to check errno value after some calls or use perror() in multi-threaded code. Is this a thread safe variable? If not, then whats the alternative ? ...