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Why is there no xrange function in Python3?

...tion has nothing to do with it. (Not surprising, as a one-time call to the __iter__ slot isn't likely to be visible among 10000000 calls to whatever happens in the loop, but someone brought it up as a possibility.) But it's only 30% slower. How did the OP get 2x as slow? Well, if I repeat the same ...
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When should I use ugettext_lazy?

I have a question about using ugettext and ugettext_lazy for translations. I learned that in models I should use ugettext_lazy , while in views ugettext. But are there any other places, where I should use ugettext_lazy too? What about form definitions? Are there any performance diffrences betwe...
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Disable button in jQuery

My page creates multiple buttons as id = 'rbutton_"+i+"' . Below is my code: 11 Answers ...
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sys.argv[1] meaning in script

... prints the number of arguments, using the len function on the list. from __future__ import print_function import sys print(sys.argv, len(sys.argv)) The script requires Python 2.6 or later. If you call this script print_args.py, you can invoke it with different arguments to see what happens. &gt...
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How to join two JavaScript Objects, without using JQUERY [duplicate]

...ted. const target = {}; $.extend(true, target, obj1, obj2); 7 - Lodash _.assignIn(object, [sources]): also named as _.extend: const result = {}; _.assignIn(result, obj1, obj2); 8 - Lodash _.merge(object, [sources]): const result = _.merge(obj1, obj2); There are a couple of important diffe...
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In Python, using argparse, allow only positive integers

...still need to define an actual method that decides this for you: def check_positive(value): ivalue = int(value) if ivalue <= 0: raise argparse.ArgumentTypeError("%s is an invalid positive int value" % value) return ivalue parser = argparse.ArgumentParser(...) parser.add_argu...
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Quick easy way to migrate SQLite3 to MySQL? [closed]

...two file formats: The lines starting with: BEGIN TRANSACTION COMMIT sqlite_sequence CREATE UNIQUE INDEX are not used in MySQL SQLite uses CREATE TABLE/INSERT INTO "table_name" and MySQL uses CREATE TABLE/INSERT INTO table_name MySQL doesn't use quotes inside the schema definition MySQL uses singl...
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How to avoid circular imports in Python? [duplicate]

... Doesn't seem to work with submodules import foobar.mod_a and import foobar.mod_b doesn't work like described above. – Nick Oct 2 '13 at 0:39 ...
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Forward function declarations in a Bash or a Shell script?

... This seems somewhat analogous to what if _ _ name _ _ == "_ _ main _ _": main() does in python – Sergiy Kolodyazhnyy Feb 13 '16 at 7:13 ...
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how to detect search engine bots with php?

... Here's a Search Engine Directory of Spider names Then you use $_SERVER['HTTP_USER_AGENT']; to check if the agent is said spider. if(strstr(strtolower($_SERVER['HTTP_USER_AGENT']), "googlebot")) { // what to do } ...