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Run a Python script from another Python script, passing in arguments [duplicate]
...sing os.system:
os.system("script2.py 1")
execfile is different because it is designed to run a sequence of Python statements in the current execution context. That's why sys.argv didn't change for you.
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Automatically import modules when entering the python or ipython interpreter
...interactive
commands are executed so that objects defined or imported in it can be
used without qualification in the interactive session.
So, just create a python script with the import statement and point the environment variable to it. Having said that, remember that 'Explicit is always bett...
Calling a base class's classmethod in Python
... (i.e. derives from object in Python 2, or always in Python 3), you can do it with super() like this:
super(Derived, cls).do(a)
This is how you would invoke the code in the base class's version of the method (i.e. print cls, a), from the derived class, with cls being set to the derived class.
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Which is faster : if (bool) or if(int)?
The above topic made me do some experiments with bool and int in if condition. So just out of curiosity I wrote this program:
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How to create local notifications?
...ications so that at the time I set, my app generates a notification/alert with a customized message?
8 Answers
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Objective-C and Swift URL encoding
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To escape the characters you want is a little more work.
Example code
iOS7 and above:
NSString *unescaped = @"http://www";
NSString *escapedString = [unescaped stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLHostAllowedCharacterSet]];
N...
How to sort an IEnumerable
... StringComparer.CurrentCultureIgnoreCase);
Note that, as is usual with LINQ, this creates a new IEnumerable<T> which, when enumerated, returns the elements of the original IEnumerable<T> in sorted order. It does not sort the IEnumerable<T> in-place.
An IEnumerable<T&...
Python exit commands - why so many and when should each be used?
It seems that python supports many different commands to stop script execution. The choices I've found are: quit() , exit() , sys.exit() , os._exit()
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How can I safely encode a string in Java to use as a filename?
...external process. I want to use that String to make a filename, and then write to that file. Here's my code snippet to do this:
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ADB No Devices Found
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I had the same issue on Windows 8 and 8.1 with a Nexus 7 (2012 version). USB computer connection - Camera (PTP) fixes this.
– errollw
Sep 2 '13 at 12:44
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