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Python Regex - How to Get Positions and Values of Matches

How can I get the start and end positions of all matches using the re module? For example given the pattern r'[a-z]' and the string 'a1b2c3d4' I'd want to get the positions where it finds each letter. Ideally, I'd like to get the text of the match back too. ...
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AsyncTaskLoader vs AsyncTask

Since Honeycomb and the v4 Compatibility Library it is possible to use AsyncTaskLoader . From what I understand, the AsyncTaskLoader can survive through config changes like screen flips. ...
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Test if a command outputs an empty string

How can I test if a command outputs an empty string? 11 Answers 11 ...
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Different return values the first and second time with Moq

... .Returns(true); Calling connect will only be successful on the third and fifth attempt otherwise an exception will be thrown. So for your example it would just be something like: repository.SetupSequence(x => x.GetPageByUrl<IPageModel>(virtualUrl)) .Returns(null) .Returns(pageModel....
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How to convert a Java 8 Stream to an Array?

... it does is find a method that takes in an integer (the size) as argument, and returns a String[], which is exactly what (one of the overloads of) new String[] does. You could also write your own IntFunction: Stream<String> stringStream = ...; String[] stringArray = stringStream.toArray(size...
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Is it a good practice to use an empty URL for a HTML form's action attribute? (action=“”)

...ment's address, i.e. the same page. It is also possible to leave it empty, and any browser implementing HTML's form submission algorithm will treat it as equivalent to the document's address, which it does mainly because that's how browsers currently work: 8. Let action be the submitter element's a...
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Where can I set environment variables that crontab will use?

...'cron' run a shell script that sets the environment before running the command. Always. # @(#)$Id: crontab,v 4.2 2007/09/17 02:41:00 jleffler Exp $ # Crontab file for Home Directory for Jonathan Leffler (JL) #----------------------------------------------------------------------------- #Min ...
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[ :Unexpected operator in shell programming [duplicate]

...et of sh syntax - the /bin/sh executable on your system may provide only standard sh functionality, in which []-style tests are not included. – Tim Aug 5 '10 at 1:17 13 ...
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How does grep run so fast?

..., earlier I used to use substring method in java but now I use GREP for it and it executes in a matter of seconds, it is blazingly faster than java code that I used to write.(according to my experience I might be wrong though) ...
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Good way of getting the user's location in Android

Getting the user's current location within a threshold ASAP and at the same time conserve battery. 10 Answers ...