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How do you clear a stringstream variable?
....g. if a file stream has the error state set to eofbit (end-of-file), then calling clear() will set the error state back to goodbit (no error).
For clearing the contents of a stringstream, using:
m.str("");
is correct, although using:
m.str(std::string());
is technically more efficient, becau...
SVN checkout ignore folder
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Yes, Subversion 1.5 has a feature called Sparse checkouts that can do exactly this sort of thing.
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Proper MIME media type for PDF files
...p-level type name and sub-type name, which is
further structured into so-called "trees".
top-level type name / subtype name [ ; parameters ]
top-level type name / [ tree. ] subtype name [ +suffix ] [ ; parameters ]
All media types should be registered using the IANA registration procedures. C...
Can javax.persistence.Query.getResultList() return null?
...urned
Hibernate JPA implementation (Entity Manager) return null when you call query.getResultList() with no result.
UPDATE
As pointed out by some users, it seems that a newest version of Hibernate returns an empty list instead.
An empty list is returned in Eclipselink as well when no results ar...
Remove all whitespace in a string
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@YannisDran check the str.join() documentation, when you call sentence.join(str_list) you ask python to join items from str_list with sentenceas separator.
– Cédric Julien
Nov 24 '16 at 16:24
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Get URL query string parameters
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The function parse_str() automatically reads all query parameters into an array.
For example, if the URL is http://www.example.com/page.php?x=100&y=200, the code
$queries = array();
parse_str($_SERVER['QUERY_STRING'], $queries);
will store parameter...
What is the C++ function to raise a number to a power?
...ng 2 to a power. The POW function is a math function that will work generically.
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Log to the base 2 in python
...r(math.log(x, 2.0)))
log2int_fast = math.frexp(x)[1] - 1
Python frexp() calls the C function frexp() which just grabs and tweaks the exponent.
Python frexp() returns a tuple (mantissa, exponent). So [1] gets the exponent part.
For integral powers of 2 the exponent is one more than you might exp...
Chmod 777 to a folder and all contents [duplicate]
I have a web directory /www and a folder in that directory called store .
7 Answers
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Net::SMTPAuthenticationError when sending email from Rails app (on staging environment)
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A lot later but just in case it helps anyone.. Just called Google Apps Help Center and they instructed to change the lesssecureapps setting (as everyone else) but also to change the port to 465.
In my case, that did the trick!
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