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In practice, what are the main uses for the new “yield from” syntax in Python 3.3?

...or v in g: yield v does not even begin to do justice to what yield from is all about. Because, let's face it, if all yield from does is expand the for loop, then it does not warrant adding yield from to the language and preclude a whole bunch of new features from being implemented in Python 2.x. Wh...
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How can I custom-format the Autocomplete plug-in results?

...ue, redefining an internal function in a library, I have come to learn is called monkey-patching. Here's how I did it: function monkeyPatchAutocomplete() { // don't really need this, but in case I did, I could store it and chain var oldFn = $.ui.autocomplete.prototype._renderItem; ...
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Find the nth occurrence of substring in a string

...ad been thinking of doing the equivalent of .rfind('XXX'), but that would fall apart if 'XXX' appears later in the input anyway. – Nikhil Chelliah Jul 7 '10 at 4:17 ...
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What are the most common naming conventions in C?

...I follow the GTK+ coding convention, which can be summarized as follows: All macros and constants in caps: MAX_BUFFER_SIZE, TRACKING_ID_PREFIX. Struct names and typedef's in camelcase: GtkWidget, TrackingOrder. Functions that operate on structs: classic C style: gtk_widget_show(), tracking_order_p...
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ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al

I just discovered a logical bug in my code which was causing all sorts of problems. I was inadvertently doing a bitwise AND instead of a logical AND . ...
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Use of *args and **kwargs [duplicate]

...u're not sure how many arguments might be passed to your function, i.e. it allows you pass an arbitrary number of arguments to your function. For example: >>> def print_everything(*args): for count, thing in enumerate(args): ... print( '{0}. {1}'.format(count, thing)) ... ...
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When is assembly faster than C?

...hat although that's not entirely false, the cases where assembler can actually be used to generate more performant code are both extremely rare and require expert knowledge of and experience with assembly. ...
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How can I get the concatenation of two lists in Python without modifying either one? [duplicate]

... Actually you can do this by using the a non hidden function: import operator, operator.add(list1, list2) – e-satis Apr 13 '11 at 12:28 ...
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How to avoid .pyc files?

... I just tried this and, it does work for imported modules. Specifically, once this variable is set anything imported later won't generate pyc files. This is delightful. Thanks. – user234736 Nov 22 '12 at 19:59 ...
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Will using 'var' affect performance?

...ay have chosen an Interface or parent type if you were to set the type manually. Update 8 Years Later I need to update this as my understanding has changed. I now believe it may be possible for var to affect performance in the situation where a method returns an interface, but you would have used a...