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error: passing xxx as 'this' argument of xxx discards qualifiers

... it's part of const correctness. I'm not certain where the const is coming from here, but I suspect the set is returning a const reference from the iterator to prevent the instance from changing and thereby invalidating the set. – Fred Larson May 12 '11 at 5:05...
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How do I validate a date string format in python?

... for you and raise a ValueError if it can't. As an example: >>> from dateutil.parser import parse >>> parse("2003-09-25") datetime.datetime(2003, 9, 25, 0, 0) This raises a ValueError if the date is not formatted correctly: >>> parse("2003-09-251") Traceback (most rec...
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What are the “standard unambiguous date” formats for string-to-date conversion in R?

... This is documented behavior. From ?as.Date: format: A character string. If not specified, it will try '"%Y-%m-%d"' then '"%Y/%m/%d"' on the first non-'NA' element, and give an error if neither works. as.Date("01 Jan 2000") ...
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Is there a way to use shell_exec without waiting for the command to complete?

... This will execute a command and disconnect from the running process. Of course, it can be any command you want. But for a test, you can create a php file with a sleep(20) command it. exec("nohup /usr/bin/php -f sleep.php > /dev/null 2>&1 &"); ...
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ContractFilter mismatch at the EndpointDispatcher exception

... your client and server contracts match. If you've generated your client from a WSDL, is the WSDL up-to-date? If you've made a recent change to the contract, have you deployed the right version of both client and server? If you've hand-crafted your client contract classes, make sure the namespaces...
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What is the optimal Jewish toenail cutting algorithm?

...[i+1] if abs(a-b) == 1: return False return True from itertools import ifilter, permutations validseqs = ifilter(isValid, permutations([1,2,3,4,5])) for i in validseqs: print i (1, 3, 5, 2, 4) (1, 4, 2, 5, 3) (2, 4, 1, 3, 5) (2, 4, 1, 5, 3) (2, 5, 3, 1, 4) (3, 1, 4, 2,...
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Why use @PostConstruct?

... container decides to store the bean on the disk store and then restore it from there. – Bozho Mar 20 '13 at 9:57 14 ...
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How can I submit a form using JavaScript?

... will this submit form values from an input tag? – simanacci Jun 3 '16 at 8:26 ...
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How to delete all Annotations on a MKMapView

... However the previous line of code will remove all map annotations "PINS" from the map, including the user location pin "Blue Pin". To remove all map annotations and keep the user location pin on the map, there are two possible ways to do that Example 1, retain the user location annotati...
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How can I list the contents of a directory in Python?

...list a directory now usually involves the iterdir method on Path objects: from pathlib import Path print(*Path("/home/username/www/").iterdir(), sep="\n") share | improve this answer | ...