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How to find index of list item in Swift?
...reaterThanFive = arr2.indexOf({$0 > 5}) // 5
let indexOfFirstGreaterThanOneHundred = arr2.indexOf({$0 > 100}) // nil
Note that these two functions return optional values, as find did before.
Update for Swift 3.0:
Note the syntax of indexOf has changed. For items conforming to Equatable you...
Showing a different background colour in Vim past 80 characters
... Thanks for posting this, was exactly what I was looking for! Just one more question, is there a way to not set this rules to a specific type of file (.md)?
– David Dias
Sep 7 '15 at 16:05
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python numpy machine epsilon
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just to be 100% confident, the first one provides python "standard" precision of innate floats while the second one the precision of numpy's floats?
– Charlie Parker
Nov 1 '17 at 16:47
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Best way to test exceptions with Assert to ensure they will be thrown
...hide the exception message. You need to add a catch(NUnit.Framework.AssertionException){throw;} or similar - see my answer.
– GrahamS
Apr 14 '09 at 10:43
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Mixin vs inheritance
...s "no difference".
The detail is that a mixin is rarely useful as a standalone object.
For example, say you have a mixin named "ColorAndDimension", which adds a color property and width and height.
Now, you could add ColorAndDimension to a, say, Shape class, a Sprite class, a Car class, etc. And the...
jQuery how to bind onclick event to dynamically added HTML element [duplicate]
... first problem is that when you call append on a jQuery set with more than one element, a clone of the element to append is created for each and thus the attached event observer is lost.
An alternative way to do it would be to create the link for each element:
function handler() { alert('hello'); ...
Redefine tab as 4 spaces
...to) 4 space characters for each "tab" you type?
Depending on your answer, one of the following sets of
settings should work for you:
For tab characters that appear 4-spaces-wide:
set tabstop=4
If you're using actual tab character in your source code you probably also want these settings (these...
ReactJS - Does render get called any time “setState” is called?
Does React re-render all components and sub components every time setState() is called?
7 Answers
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In Java, how do I parse XML as a String instead of a file?
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One way is to use the version of parse that takes an InputSource rather than a file
A SAX InputSource can be constructed from a Reader object. One Reader object is the StringReader
So something like
parse(new InputSource(n...
Why do table names in SQL Server start with “dbo”?
...ontinues to work. Yes, always use a schema for perf. No, not the migration one (e.g. dbo).
– David Betz
Nov 5 '15 at 22:02
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