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Python nested functions variable scoping [duplicate]

I've read almost all the other questions about the topic, but my code still doesn't work. 10 Answers ...
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Open link in new tab or window [duplicate]

... It shouldn't be your call to decide whether the link should open in a new tab or a new window, since ultimately this choice should be done by the settings of the user's browser. Some people like tabs; some like new windows. Using _blank will tell...
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How to pass a user defined argument in scrapy spider

... The above code is only partially working for me. For eg. If I define domain using self.domain, I'm still not able to access it outside the __init__ method. Python throws a not defined error. BTW, why have you omitted the super call? PS. I'm working wit...
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Get ID of last inserted document in a mongoDB w/ Java driver

...h MongoDB plainly auto-generates ObjectId's. However, your solution of manually creating an ObjectId does work, and thanks for this option! – Apophenia Overload Dec 4 '12 at 8:39 ...
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How do I check if a list is empty?

...cMahon - it's a trade-off between explicitness and type flexibility. generally, "being explicit" means not doing "magical" things. on the other hand, "duck typing" means working with more general interfaces, rather than explicitly checking for types. so something like if a == [] is forcing a part...
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How do I design a class in Python?

I've had some really awesome help on my previous questions for detecting paws and toes within a paw , but all these solutions only work for one measurement at a time. ...
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How to crop an image in OpenCV using Python

...copy region of interest If we consider (0,0) as top left corner of image called im with left-to-right as x direction and top-to-bottom as y direction. and we have (x1,y1) as the top-left vertex and (x2,y2) as the bottom-right vertex of a rectangle region within that image, then: roi = im[y1:y2, x1...
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How to add an extra column to a NumPy array

...for a way to add a bias unit to my artificial neuronal network in batch on all layers at once, and this is the perfect answer. – gaborous Aug 18 '16 at 15:07 ...
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What does the variable $this mean in PHP?

I see the variable $this in PHP all the time and I have no idea what it's used for. I've never personally used it. 10 An...
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jQuery: Select data attributes that aren't empty?

I'm trying to select all elements that have a data-go-to attribute that is not empty. 11 Answers ...