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Psql list all tables
I would like to list all tables in the liferay database in my PostgreSQL install. How do I do that?
6 Answers
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Access multiple elements of list knowing their index
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Basic and not very extensive testing comparing the execution time of the five supplied answers:
def numpyIndexValues(a, b):
na = np.array(a)
nb = np.array(b)
out = list(na[nb])
return out
def mapIndexValues(a, b):
out = map(a.__getitem__, b)
return list(out)
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C# Sort and OrderBy comparison
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As suggested by @Stefan here are the results of sorting a big list fewer times:
List<Person> persons = new List<Person>();
for (int i = 0; i < 100000; i++)
{
persons.Add(new Person("P" + i.ToString(), "Janson" + i.ToString()));
}
Sort(persons);
OrderBy(persons);
const int COU...
LD_LIBRARY_PATH vs LIBRARY_PATH
...that LIBRARY_PATH is searched for libraries (static or dynamic) at compile time and LD_LIBRARY_PATH is searched for dynamic libraries at run time. Of course at run time you don't need to search for static libraries.
– Timmmm
Feb 1 '19 at 12:50
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What can I do with a moved-from object?
Does the standard define precisely what I can do with an object once it has been moved from? I used to think that all you can do with a moved-from object is do destruct it, but that would not be sufficient.
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Consequences of using graft in Mercurial
There've been several questions recently about skipping changes when maintaining release branches in Mercurial. For example:
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Using lambda expressions for event handlers
I currently have a page which is declared as follows:
4 Answers
4
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Does static constexpr variable inside a function make sense?
...d constexpr ? constexpr guarantees that the array is created at compile time, so would the static be useless?
2 Answer...
Check difference in seconds between two times
...t where when a certain event happens details about the event including the time that the event occurred is added into a list array.
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How to produce a range with step n in bash? (generate a sequence of numbers with increments)
The way to iterate over a range in bash is
5 Answers
5
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