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“Least Astonishment” and the Mutable Default Argument
...he following code
fruits = ("apples", "bananas", "loganberries")
def eat(food=fruits):
...
When I see the declaration of eat, the least astonishing thing is to think that if the first parameter is not given, that it will be equal to the tuple ("apples", "bananas", "loganberries")
However, s...
Are Stored Procedures more efficient, in general, than inline statements on modern RDBMS's? [duplica
...d the SQL adds up to many KB of code -- replacing that with a simple "exec foobar" can really add up.
B) Stored procs can be used to move procedural code into the DBMS. This saves shuffling large amounts of data off to the client only to have it send a trickle of info back (or none at all!). Analogo...
Can an angular directive pass arguments to functions in expressions specified in the directive's att
....link = function(isolatedScope) {
isolatedScope.boundFunction({param: "foo"});
};
...
return directive;
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What's the difference between including files with JSP include directive, JSP include action and usi
...The <c:import> JSTL tag:
<c:import url=”http://www.example.com/foo/bar.html” />
Dynamic: adds the content from the value of the URL attribute to the current page, at request time. It works a lot like
<jsp:include>, but it’s more powerful and flexible: unlike the
...
Find the nth occurrence of substring in a string
...at you have to choose some chaff that can't match the needle) one-liner:
'foo bar bar bar'.replace('bar', 'XXX', 1).find('bar')
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Populate data table from data reader
...TinyTableTime;
string LargeTableToFill = "select top 10000 * from FooBar";
string MediumTableToFill = "select top 1000 * from FooBar";
string SmallTableToFill = "select top 100 * from FooBar";
string TinyTableToFill = "select top 10 * from FooBar";
using (Sq...
Quickly reading very large tables as dataframes
...n,replace=TRUE),
c=rnorm(n),
d=sample(c("foo","bar","baz","qux","quux"),n,replace=TRUE),
e=rnorm(n),
f=sample(1:1000,n,replace=TRUE) )
DT[2,b:=NA_integer_]
DT[4,c:=NA_real_]
DT[3,d:=NA_character_]
DT[5,d:=""]
DT[2,e:=+Inf]
DT[3,e:=-...
Does ruby have real multithreading?
...and current cruby has native threads but with GIL.
– Foo Bar Zoo
Dec 30 '18 at 19:51
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Re-raise exception with a different type and message, preserving existing information
...on hierarchy for the exceptions that it can raise (e.g. inheriting from a FooError abstract class for all the foo module's specific exceptions). This allows users of the module to catch those particular exceptions and handle them distinctly, if needed. But many of the exceptions raised from the ...
Why does find -exec mv {} ./target/ + not work?
...ling / in /dest/dir/ is so that mv fails with an error instead of renaming foo.cpp to /dest/dir in the case where only one cpp file was found and /dest/dir didn't exist or wasn't a directory (or symlink to directory).
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