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How many concurrent AJAX (XmlHttpRequest) requests are allowed in popular browsers?

... No, the limits are imposed on the domain. So you could technically get FF up to 12 connections if you had a subdomain in addition to your site. – Bob Feb 18 '09 at 13:39 ...
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Dynamic variable names in Bash

...Fgilrtux] [-p] [name[=value] ...]. You might double-check that you are actually running 4.x and not 3.2. – chepner Dec 2 '13 at 16:08 5 ...
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Delete all documents from index/type without deleting type

I know one can delete all documents from a certain type via deleteByQuery. 15 Answers ...
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Most Pythonic way to provide global configuration variables in config.py? [closed]

...a few years old, but I'm a beginner and I think this config file is essentially what I am looking for (maybe too advanced), and I would like to understand it better. Do I just pass initialize ConfigHolder with a dict of configs I'd like to set and pass between modules? – Jinx ...
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How to run a program without an operating system?

How do you run a program all by itself without an operating system running? Can you create assembly programs that the computer can load and run at startup, e.g. boot the computer from a flash drive and it runs the program that is on the CPU? ...
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How do you loop through currently loaded assemblies?

...ughout, but I could not figure out how to effectively show the versions of ALL of the loaded assemblies. 2 Answers ...
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Why do some functions have underscores “__” before and after the function name?

...rms using leading or trailing underscores are recognized (these can generally be combined with any case convention): _single_leading_underscore: weak "internal use" indicator. E.g. from M import * does not import objects whose name starts with an underscore. single_trailing_underscore_: ...
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Why does Python code use len() function instead of a length method?

...on objects which have a length and use the built-in len() function, which calls it for you, similar to the way you would implement __iter__() and use the built-in iter() function (or have the method called behind the scenes for you) on objects which are iterable. See Emulating container types for m...
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In jQuery, how do I get the value of a radio button when they all have the same name?

... @PavanAlapati We cannot really tell you why without seeing your HTML as well; ideally, you would post a new question with your exact HTML snippet and the code you are using. You should only get undefined though, if: The name in the selector does not m...
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Is there a REAL performance difference between INT and VARCHAR primary keys?

... and a coworker won't budge on the INT AUTO_INCREMENT as a primary key for all tables. 14 Answers ...