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Named regular expression group “(?Pregexp)”: what does “P” stand for?

...'s creator; I am planning to release a next "major" version, Python 1.5, by the end of this year. I hope that Python and Perl can co-exist in years to come; cross-pollination can be good for both languages. (I believe Larry had a good look at Python when he added objects to Perl 5; O'Reill...
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Window.open and pass parameters by post method

...h window.open method I open new site with parameters, which I have to pass by post method.I've found solution, but unfortunately it doesn't work. This is my code: ...
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Do I really have a car in my garage? [duplicate]

...n this case. If your garage has so many bays, and each bay can be occupied by either a car or a boat, then the OP's design makes perfect sense. The design here, with separate lists of cars and boats means that you will have to update the code whenever you add a new type of vehicle (motorcycle, trail...
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How do I log a Python error with debug information?

...", line 2, in <module> ZeroDivisionError: integer division or modulo by zero @Paulo Cheque notes, "be aware that in Python 3 you must call the logging.exception method just inside the except part. If you call this method in an arbitrary place you may get a bizarre exception. The docs alert ab...
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Bash if [ false ] ; returns true

... most other programming languages. false is a command which always fails. (By analogy, true is a command that always succeeds.) – chepner Oct 29 '13 at 22:24 ...
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How to manually send HTTP POST requests from Firefox or Chrome browser?

... Firefox Open Network panel in Developer Tools by pressing Ctrl+Shift+E or by going Menubar -> Tools -> Web Developer -> Network. Then Click on small door icon on top-right (in expanded form in the screenshot, you'll find it just left of the highlighted Headers)...
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How to concatenate two numbers in javascript?

...t into one thousand seven hundred and twenty-nine? Well we can multiply 17 by 100 then add 29. And how about 172 and 293 to get one hundred seventy-two thousand two hundred and ninety-three? Multiply 172 by 1000 and add 293. But what about only 2 and 9? Multiply 2 by 10 then add 9 to get 29. So hop...
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Backing beans (@ManagedBean) or CDI Beans (@Named)?

...eta version m06. History The core difference is, @ManagedBean is managed by JSF framework and is only via @ManagedProperty available to another JSF managed beans. @Named is managed by application server (the container) via CDI framework and is via @Inject available to any kind of a container manag...
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Difference between class and type

...olds a primitive value of that same type. Such a value can only be changed by assignment operations on that variable. A variable of reference type always holds the value of a reference to an object. All objects, including arrays, support the methods of class Object. The reference types are class typ...
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Git - Difference Between 'assume-unchanged' and 'skip-worktree'

...n where git knows that the file has been modified (or needs to be modified by a reset --hard or the like), it will pretend it has not been, using the version from the index instead. This persists until the index is discarded. There is a good summary of the ramifications of this difference and the t...