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Correct owner/group/permissions for Apache 2 site files/folders under Mac OS X?
...s point strongly recommend the alternate solution of creating local VMs to test your apps on instead of using OS X itself. See: vagrantup.com
– dkamins
Nov 7 '14 at 22:14
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Relative URL to a different port number in a hyperlink?
....location.origin;
target.port = port[1];
}
}
}, false);
Tested in Firefox 4
Fiddle: http://jsfiddle.net/JtF39/79/
Update: Bug fixed for appending port to end of url and also added support for relative and absolute urls to be appended to the end:
<a href=":8080/test/blah"&g...
Get difference between two lists
...is:
s = set(temp2)
temp3 = [x for x in temp1 if x not in s]
Performance test
import timeit
init = 'temp1 = list(range(100)); temp2 = [i * 2 for i in range(50)]'
print timeit.timeit('list(set(temp1) - set(temp2))', init, number = 100000)
print timeit.timeit('s = set(temp2);[x for x in temp1 if x ...
Retain cycle on `self` with blocks
...ou do use __weak, make sure to throw it into a __strong local variable and test that for non-nil before doing anything with it.
– Lily Ballard
Jun 27 '12 at 18:07
2
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Test if string is a number in Ruby on Rails
...cases expected.
If they are relatively uncommon casting is definitely fastest.
If false cases are common and you are just checking for ints, comparison vs a transformed state is a good option.
If false cases are common and you are checking floats, regexp is probably the way to go
If performance ...
Redirect parent window from an iframe action
...frame with URL 'jsfiddle.net/ppkzS' from frame with URL 'parrisstudios.com/tests/iframe_redirect.html'. The frame attempting navigation of the top-level window is sandboxed, but the 'allow-top-navigation' flag is not set.
– Bjarte Aune Olsen
Mar 18 '15 at 9:09
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Is there any way to kill a Thread?
...(sys.stdout.flush()) may improve the precision of the shell output.
(Only tested on Windows/Eclipse/Python3.3)
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What is the Scala annotation to ensure a tail recursive function is optimized?
...the compiler.
In Scala 2.7 or earlier, you will need to rely on manual testing, or inspection of the bytecode, to work out whether a method has been optimised.
Example:
you could add a @tailrec annotation so that you can be sure that your changes have worked.
import scala.annotation.t...
Can I have onScrollListener for a ScrollView?
...tly. this is the best answer. no need to extend HorizontalScrollView. Just tested with a ScrollView, works great: final ScrollView sv = (ScrollView) findViewById(R.id.scrollViewArticle); sv.getViewTreeObserver().addOnScrollChangedListener(new ViewTreeObserver.OnScrollChangedListener...
What is the difference between re.search and re.match?
...regular expression but your example seems wrong according to a performance test: stackoverflow.com/questions/180986/…
– baptx
Jan 21 '19 at 18:56
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