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Git command to show which specific files are ignored by .gitignore
... What version of git are you using? Mine (1.7.0.4) says error: unknown option 'ignored'. Even adding -s as suggested in linked post didn't work.
– Alexander Bird
Oct 25 '12 at 21:49
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How are GCC and g++ bootstrapped?
...version of GCC with the one you just built
(optional) repeat step 2 for verification purposes.
This process is called bootstrapping. It tests the compiler's capability of compiling itself and makes sure that the resulting compiler is built with all the optimizations that it itself implements.
EDI...
Best way to iterate through a Perl array
...g. breadth-first searches): my @todo = $root; while (@todo) { my $node = shift; ...; push @todo, ...; ...; }
– ikegami
Feb 2 '15 at 14:40
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Using comparison operators in Scala's pattern matching system
... 1 => "greater than ten"
case -1 => "less than ten"
})
}
Now, the documentation for scala.math.Ordering.compare(T, T) promises only that the non-equal outcomes will be greater than or less than zero. Java's Comparable#compareTo(T) is specified similarly to Scala's. It happens to be...
Entity Framework - Code First - Can't Store List
...rimitive types. You can either create an entity (which will be saved to a different table) or do some string processing to save your list as a string and populate the list after the entity is materialized.
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Is there an expression for an infinite generator?
...te itertools.count: count = lambda start=0, step=1: (start + i*step for i, _ in enumerate(iter(int, 1)))
– Coffee_Table
Aug 13 '18 at 23:43
2
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How to free memory in Java?
...s.
Not recommended.
Edit: I wrote the original response in 2009. It's now 2015.
Garbage collectors have gotten steadily better in the ~20 years Java's been around. At this point, if you're manually calling the garbage collector, you may want to consider other approaches:
If you're forcing G...
Logical operators (“and”, “or”) in DOS batch
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You can do and with nested conditions:
if %age% geq 2 (
if %age% leq 12 (
set class=child
)
)
or:
if %age% geq 2 if %age% leq 12 set class=child
You can do or with a separate variable:
set res=F
if %hour% leq 6 set res=T
if %hour% geq 22 set ...
Correct way to use _viewstart.cshtml and partial Razor views?
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If you return PartialView() from your controllers (instead of return View()), then _viewstart.cshtml will not be executed.
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What is the best way to concatenate two vectors?
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@Gman: That's a fair point since we know that the source is also a vector (where iterator distance has O(1) complexity). Still, the performance guarantees of insert are something to be mindful of when you can often do better by planning ahead.
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