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How do I remove the “extended attributes” on a file in Mac OS X?
...o longer lists -c and produces "-c not recognized" when used. Very painful now to remove extended attributes one by one.
– helioz
Jan 29 '13 at 2:39
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How to invoke a Linux shell command from Java
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@Narek. It should, but I don;'t know how csh handles arguments.
– KitsuneYMG
Sep 17 '09 at 12:38
1
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Can virtual functions have default parameters?
...nstead of trying to do this or understand what it does (if you have to ask now, the maintainer will have to ask or look it up a year from now).
Instead, create a public non-virtual function in the base class with default parameters. Then it calls a private or protected virtual function that has no ...
What does the `#` operator mean in Scala?
...le example:
class A {
class B
def f(b: B) = println("Got my B!")
}
Now let's try something with it:
scala> val a1 = new A
a1: A = A@2fa8ecf4
scala> val a2 = new A
a2: A = A@4bed4c8
scala> a2.f(new a1.B)
<console>:11: error: type mismatch;
found : a1.B
required: a2.B
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Django-DB-Migrations: cannot ALTER TABLE because it has pending trigger events
...en create the schema migration:
manage.py schemamigration fooapp --auto
Now you have two transactions and the migration in two steps should work.
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Allow multiple roles to access controller action
Right now I decorate a method like this to allow "members" to access my controller action
9 Answers
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CSS scrollbar style cross browser [duplicate]
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Now also supported in Webkit though. And I think Opera supports them as well. So in fact, as of 2012, it seems 70% of the browser market share does support it (it being the styling of scrollbars, they do still use different s...
How do I split a string so I can access item x?
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As of SQL Server 2016, there is now a built-in function STRING_SPLIT that will split a string and return a one-column table result which you can use in a SELECT statement or elsewhere.
– qJake
Apr 3 '17 at 20:24
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Convert RGB to RGBA over white
... input values and r', g', b', and a' be the output values, all scaled (for now, as it makes the math prettier) between 1 and 0. Then, by the formula for overlaying colors:
r = a' * r' + 1 - a'
g = a' * g' + 1 - a'
b = a' * b' + 1 - a'
The 1 - a' terms represent the background contribution, and th...
Can vim monitor realtime changes to a file
...is how to monitor a text file in realtime
but I want to do it in vim. I know I can read an opened file use tail -f sample.xml file, and when new content is written to the file, it'll also write the new content to my screen. Can I have vim automatically fill the new data when a file is updated?
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