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How to get Linux console window width in Python

...mns = os.popen('stty size', 'r').read().split() uses the 'stty size' command which according to a thread on the python mailing list is reasonably universal on linux. It opens the 'stty size' command as a file, 'reads' from it, and uses a simple string split to separate the coordinates. Unlike the...
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Does Swift support reflection?

... Swift support reflection? e.g. is there something like valueForKeyPath: and setValue:forKeyPath: for Swift objects? 6...
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How does an underscore in front of a variable in a cocoa objective-c class work?

... @LearnCocos2D Hi! A newbie to iOS here and there's something I need to clarify. For all this time what I did was declare the property in the .h file and in the .m fie I access it using self like so, self.someProperty. Is this the right way? Or should I be using th...
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back button callback in navigationController in iOS

I have pushed a view onto the navigation controller and when I press the back button it goes to the previous view automatically. I want to do a few things when back button is pressed before popping the view off the stack. Which is the back button callback function? ...
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ADB Shell Input Events

What is the basic difference between adb shell input keyevent and adb shell sendevent ? Which one should I use for inputting a character? Are the keycodes the same that we pass to both the commands? ...
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How to open a URL in a new Tab using JavaScript or jQuery? [duplicate]

...idden <a href="" target="_blank" id="click_me" ></a> somewhere and perform a click using .click() For ex: document.getElementById('click_me').click() – nehem Feb 26 at 3:53 ...
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Is it ok to use dashes in Python files when trying to import them?

... You should check out PEP 8, the Style Guide for Python Code: Package and Module Names Modules should have short, all-lowercase names. Underscores can be used in the module name if it improves readability. Python packages should also have short, all-lowercase names, although the use of undersco...
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How to convert vector to array

...ts for the new array: double arr[v.size()]; – rbaleksandar Dec 25 '13 at 21:09 8 @rbaleksandar: A...
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Minimizing NExpectation for a custom distribution in Mathematica

...a minimum requires either to set the first derivative of the function zero and solve for a solution. Since your function is quite complicated (and probably not differentiable), the second possibility is to do a numerical minimization, which requires many evaluations of your function. Ergo, it is ver...
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Flask-SQLAlchemy import/context issue

...y db = SQLAlchemy() class Member(db.Model): # fields here pass And then in your application setup you can call init_app: # apps.application.py from flask import Flask from apps.members.models import db app = Flask(__name__) # later on db.init_app(app) This way you can avoid cyclical ...