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How do I remove all non alphanumeric characters from a string except dash?
How do I remove all non alphanumeric characters from a string except dash and space characters?
13 Answers
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Swift performSelector:withObject:afterDelay: is unavailable [duplicate]
... Just a note that this method only works if your class inherits from an NSObject or derivative class. It won't work in a pure swift class.
– Jason Crump
Jul 31 '14 at 14:50
...
What's the difference between “squash” and “fixup” in Git/Git Extension?
...he commit to be modified,
and change the action of the moved commit from pick to squash (or
fixup).
The difference between squash and fixup is that during the rebase, the squash operation will prompt you to combine the messages of the original and the squash commit, whereas the fixup...
Is it possible to make relative link to image in a markdown file in a gist?
...
According to http://blog.rodneyrehm.de/archives/35-Including-Data-From-Github.html, the problem in using
https://gist.github.com/user/605560c2961cb3025038/raw/b75d2...6e8/img.png
is that the b75d2...6e8 part varies per file (a quick experimentation confirms it is the git blob id). How...
In-memory size of a Python structure
...
The recommendation from an earlier question on this was to use sys.getsizeof(), quoting:
>>> import sys
>>> x = 2
>>> sys.getsizeof(x)
14
>>> sys.getsizeof(sys.getsizeof)
32
>>> sys.getsizeof('this'...
How can I use map and receive an index as well in Scala?
...h{ case (e, i) => println(i+" "+e) }
0 Mary
1 had
2 a
3 little
4 lamb
From: http://www.artima.com/forums/flat.jsp?forum=283&thread=243570
You also have variations like:
for((e,i) <- List("Mary", "had", "a", "little", "lamb").zipWithIndex) println(i+" "+e)
or:
List("Mary", "had", "a...
From an array of objects, extract value of a property as array
... a result, the following two lines are equivalent to the code sample above from pre-Lodash 4.
var result = _.map(objArray, 'foo');
var result = _.map(objArray, _.property('foo'));
_.property(), and hence _.map(), also allow you to provide a dot-separated string or array in order to access sub-pro...
Very large matrices using Python and NumPy
NumPy is an extremely useful library, and from using it I've found that it's capable of handling matrices which are quite large (10000 x 10000) easily, but begins to struggle with anything much larger (trying to create a matrix of 50000 x 50000 fails). Obviously, this is because of the massive memo...
How to skip “Loose Object” popup when running 'git gui'
...is running close to full on their filesystem, deletes a number of branches from a tracking repository, and then does a "git gc" may get a very unpleasant surprise.
[Example:] Old branches are reserved via a tag such as next-20081204.
If you update the your local copy of the linux-next reposit...
How can I get the line number which threw exception?
... need the line number for more than just the formatted stack trace you get from Exception.StackTrace, you can use the StackTrace class:
try
{
throw new Exception();
}
catch (Exception ex)
{
// Get stack trace for the exception with source file information
var st = new StackTrace(ex, tr...