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schema builder laravel migrations unique on two columns
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answered Nov 19 '13 at 15:07
Collin JamesCollin James
7,07422 gold badges2323 silver badges3535 bronze badges
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How can you check which options vim was compiled with?
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100
You can see everything vim was compiled with by executing
:version
To query for an exact fea...
How to do error logging in CodeIgniter (PHP)
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edited Jun 24 '16 at 10:28
A J
3,3651212 gold badges3434 silver badges4949 bronze badges
answered Ju...
How to declare Return Types for Functions in TypeScript
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108
You are correct - here is a fully working example - you'll see that var result is implicitly a ...
How to select an element inside “this” in jQuery?
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edited May 30 '13 at 10:09
Patrick D'Souza
3,30322 gold badges1818 silver badges3737 bronze badges
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Will strlen be calculated multiple times if used in a loop condition?
...t I personally wouldn't rely on that.
I'd do something like
for (int i = 0, n = strlen(ss); i < n; ++i)
or possibly
for (int i = 0; ss[i]; ++i)
as long as the string isn't going to change length during the iteration. If it might, then you'll need to either call strlen() each time, or handl...
Capturing “Delete” Keypress with jQuery
...I'm unable to capture the Delete key. The snippet below is going to log 0 when the Delete key is pressed in FireFox:
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How does the ThreadStatic attribute work?
...emoting.
– user2173353
Aug 27 at 12:02
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Postgresql aggregate array
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Use array_agg: http://www.sqlfiddle.com/#!1/5099e/1
SELECT s.name, array_agg(g.Mark) as marks
FROM student s
LEFT JOIN Grade g ON g.Student_id = s.Id
GROUP BY s.Id
By the way, if you are using Postgres 9.1, you don't need to repeat the columns on SELECT to G...
CMake: Print out all accessible variables in a script
...riableNames)
foreach (_variableName ${_variableNames})
if (ARGV0)
unset(MATCHED)
string(REGEX MATCH ${ARGV0} MATCHED ${_variableName})
if (NOT MATCHED)
continue()
endif()
endif()
message(STATUS "${_variableNa...