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Regex exactly n OR m times
... @erb if you leave out ?:, the group becomes a capturing group. Aside from the regex engine remembering stuff it doesn't have to, if you have capturing groups after this one, their IDs will change. If you use your regex for substitution, you will have to adjust the replacement.
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Setting up a git remote origin
...origin G:/group/project/ # local, Win
This keeps you from having to manually edit your git config or specify branch tracking manually.
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Split an NSString to access one particular piece
... get any exceptions thrown in the case of a corrupt or invalid date string from whatever source you have.
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ASP.NET MVC return empty view
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@RobinMaben: No, null would not return an object from the method. EmptyResult however will.
– cederlof
Jun 17 '13 at 12:26
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Connection timeout for SQL server
...server using the server name exactly as specified in the connection string from the command line?
Connection string 3 : If the server name is in your DNS (or hosts file), but the pointing to an incorrect or inaccessible IP, you'll get a timeout rather than a machine-not-found-ish error.
The query ...
Java: Best way to iterate through a Collection (here ArrayList)
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Here is an example
Query query = em.createQuery("from Student");
java.util.List list = query.getResultList();
for (int i = 0; i < list.size(); i++)
{
student = (Student) list.get(i);
System.out.pr...
Qt: How do I handle the event of the user pressing the 'X' (close) button?
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However, quote from the documentation: "Note that no user interaction is possible in this state."
– Ignitor
Dec 7 '15 at 11:02
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Can angularjs routes have optional parameter values?
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It looks like Angular has support for this now.
From the latest (v1.2.0) docs for $routeProvider.when(path, route):
path can contain optional named groups with a question mark (:name?)
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What are '$$' used for in PL/pgSQL
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@ErwinBrandstetter Okay, but what is $body$? From CREATE OR REPLACE FUNCTION update_ts() RETURNS TRIGGER AS $BODY$ BEGIN NEW.updated_at = NOW(); RETURN NEW; END; $BODY$ LANGUAGE plpgsql - I don't see body defined anywhere. I really have no idea what is going on here
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Argparse: Way to include default values in '--help'?
... for b (default: 42)
It just works works because as we can see trivially from the sources https://github.com/python/cpython/blob/v3.6.5/Lib/argparse.py#L648 that:
RawTextHelpFormatter implements _split_lines
ArgumentDefaultsHelpFormatter implements _get_help_string
so we can guess that they wi...