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Python: print a generator expression?
...rator expression is a "naked" for expression. Like so:
x*x for x in range(10)
Now, you can't stick that on a line by itself, you'll get a syntax error. But you can put parenthesis around it.
>>> (x*x for x in range(10))
<generator object <genexpr> at 0xb7485464>
This is so...
Using comparison operators in Scala's pattern matching system
...i.e. an if and a boolean expression after the pattern:
a match {
case 10 => println("ten")
case x if x > 10 => println("greater than ten")
case _ => println("less than ten")
}
Edit: Note that this is more than superficially different to putting an if after the =>, becau...
HtmlString vs. MvcHtmlString
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answered Aug 1 '10 at 17:02
RupRup
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Xcode can only refactor C and Objective-C code. How to rename swift class name in Xcode 6?
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answered Jun 10 '14 at 11:03
NewoneNewone
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What is the meaning of addToBackStack with null parameter?
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answered Apr 10 '14 at 10:13
RaghunandanRaghunandan
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Loop through all the resources in a .resx file
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Best way to handle list.index(might-not-exist) in python?
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edited Jan 25 '10 at 14:32
answered Jan 25 '10 at 14:02
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Doing something before program exit
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answered Oct 3 '10 at 15:04
Brent Writes CodeBrent Writes Code
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Extract substring using regexp in plain bash
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Using pure bash :
$ cat file.txt
US/Central - 10:26 PM (CST)
$ while read a b time x; do [[ $b == - ]] && echo $time; done < file.txt
another solution with bash regex :
$ [[ "US/Central - 10:26 PM (CST)" =~ -[[:space:]]*([0-9]{2}:[0-9]{2}) ]] &&
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Using a bitmask in C#
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edited Jul 16 '10 at 3:35
answered Jul 16 '10 at 2:17
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