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Python Regex instantly replace groups

... Have a look at re.sub: result = re.sub(r"(\d.*?)\s(\d.*?)", r"\1 \2", string1) This is Python's regex substitution (replace) function. The replacement string can be filled with so-called backreferences (backslash, group number) whic...
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When to use the different log levels

...ich I am automatically recovering. (Such as switching from a primary to backup server, retrying an operation, missing secondary data, etc.) Error - Any error which is fatal to the operation, but not the service or application (can't open a required file, missing data, etc.). These errors will force ...
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What is the fastest factorial function in JavaScript? [closed]

Looking for a really fast implementation of factorial function in JavaScript. Any suggests? 49 Answers ...
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Drop multiple tables in one shot in mysql

... drop multiple tables from one single database at one command. something like, 4 Answers ...
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What is the _references.js used for?

... edited Dec 16 '16 at 15:41 Hakan Fıstık 9,09888 gold badges5757 silver badges8686 bronze badges answered Apr 25 '12 at 16:21 ...
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Open a file from Cygwin

... You can also use the cygwin utility: cygstart <your file> To make things OSX-like add the following to your bashrc alias open='cygstart' Don't forget to check out the man page for cygstart. share | ...
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What guarantees are there on the run-time complexity (Big-O) of LINQ methods?

...izations: Extension methods that use indexed access, such as ElementAt, Skip, Last or LastOrDefault, will check to see whether or not the underlying type implements IList<T>, so that you get O(1) access instead of O(N). The Count method checks for an ICollection implementation, so that this ...
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Why is there no Char.Empty like String.Empty?

Is there a reason for this? I am asking because if you needed to use lots of empty chars then you get into the same situation as you would when you use lots of empty strings. ...
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Is there a way to make HTML5 video fullscreen?

... HTML 5 provides no way to make a video fullscreen, but the parallel Fullscreen specification supplies the requestFullScreen method which allows arbitrary elements (including <video> elements) to be made fullscreen. It has experimental support in ...
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Rails update_attributes without save?

... I believe what you are looking for is assign_attributes. It's basically the same as update_attributes but it doesn't save the record: class User < ActiveRecord::Base attr_accessible :name attr_accessible :name, :is_admin, :as => :admin end...