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PostgreSQL - Rename database
...orce disconnect all other clients from the database to be renamed
SELECT pg_terminate_backend( pid )
FROM pg_stat_activity
WHERE pid <> pg_backend_pid( )
AND datname = 'name of database';
-- rename the database (it should now have zero clients)
ALTER DATABASE "name of database" RENAME TO ...
Is 1.0 a valid output from std::generate_canonical?
...pen interval [0,1). The documention on cppreference.com of std::generate_canonical confirms this.
3 Answers
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LINQ equivalent of foreach for IEnumerable
...ter is precisely equivalent to a ForEach extension method on IEnumerabe<_>.
– Joel Mueller
Mar 3 '11 at 0:18
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Remove refs/original/heads/master from git repo after filter-branch --tree-filter?
..."%(refname)" refs/original/ | foreach-object -process { git update-ref -d $_ }
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Join strings with a delimiter only if strings are not null or empty
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Lodash solution: _.filter([address, city, state, zip]).join()
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Numpy `logical_or` for more than two arguments
Numpy's logical_or function takes no more than two arrays to compare. How can I find the union of more than two arrays? (The same question could be asked with regard to Numpy's logical_and and obtaining the intersection of more than two arrays.)
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How to generate a random int in C?
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int r = rand(); // Returns a pseudo-random integer between 0 and RAND_MAX.
Edit: On Linux, you might prefer to use random and srandom.
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In c++ what does a tilde “~” before a function name signify?
...explicitly deleted.
See https://www.ibm.com/support/knowledgecenter/en/ssw_ibm_i_74/rzarg/cplr380.htm
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GLib compile error (ffi.h), but libffi is installed
...sr/local/src/utils/libffi-3.0.9.tar.gz
cd libffi-3.0.9
/bin/perl -pe 's#^AM_CFLAGS = .*#AM_CFLAGS = -g#' -i Makefile.in
/bin/perl -pe 's#^includesdir = .*#includesdir = \@includedir\@#' -i include/Makefile.in
./configure --prefix=/usr/local \
--includedir=/usr/local/include
gmake
gmake install
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How do I select an element in jQuery by using a variable for the ID?
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row = $("body").find('#' + row_id);
More importantly doing the additional body.find has no impact on performance. The proper way to do this is simply:
row = $('#' + row_id);
s...