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In Postgresql, force unique on combination of two columns
...is case. From the PostgeSQL docs: "Note that a unique constraint does not, by itself, provide a unique identifier because it does not exclude null values.)" postgresql.org/docs/8.1/static/ddl-constraints.html#AEN2038
– ndequeker
Feb 3 '17 at 13:53
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How to extract a string using JavaScript Regex?
...multiple lines (i.e., match the beginning or end of each line
(delimited by \n or \r), not only the very beginning or end of the
whole input string)
Also put the * in the right place:
"DATE:20091201T220000\r\nSUMMARY:Dad's birthday".match(/^SUMMARY\:(.*)$/gm);
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Private and protected constructor in Scala
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You can declare the default constructor as private/protected by inserting the appropriate keyword between the class name and the parameter list, like this:
class Foo private () {
/* class body goes here... */
}
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ASP.NET Temporary files cleanup
...pPlace" />
I even have a funky setup at work where we don't run Admin by default, plus the IT guys have login scripts that set %temp% and I get temp files in 3 different locations depending on what is compiling things! And I'm still not certain about how these paths get picked....sigh.
Still,...
Open a file with Notepad in C#
How I open a file in c#? I don't mean reading it by textreader and readline(). I mean open it as an independent file in notepad.
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How to encode URL parameters?
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What do you mean by "except for your browser handling the compatibility"?
– Stephan
Jul 31 at 6:12
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JavaScript: remove event listener
...s use of arguments.callee() in strict mode. Avoid using arguments.callee() by either giving function expressions a name or use a function declaration where a function must call itself." (though it's using callee() instead of callee, it's still removed, boo!)
– Dai
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Ruby: How to turn a hash into HTTP parameters?
..., "e"]}.to_query)
=> "a=a&b[]=c&b[]=d&b[]=e"
http://api.rubyonrails.org/classes/Object.html#method-i-to_query
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Commit changes to a different branch than the currently checked out branch with subversion
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What do you mean by "It must not be the root of the repository, less to duplicate in that way"?
– thekozak
Mar 4 '15 at 20:47
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Print a string as hex bytes?
...t of printing a str as hex doesn't really make sense; you'll want to print bytes object as hex (convert str to bytes by calling .encode()).
– mic_e
May 8 '15 at 12:53
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