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How to detect if a variable is an array
...ng() (this is guaranteed to work by ECMA-262):
Object.prototype.toString.call(obj) === '[object Array]'
Both methods will only work for actual arrays and not array-like objects like the arguments object or node lists. As all array-like objects must have a numeric length property, I'd check for th...
ArrayList vs List in C#
...face and can be used easily in LINQ (without requiring any Cast or OfType call).
ArrayList belongs to the days that C# didn't have generics. It's deprecated in favor of List<T>. You shouldn't use ArrayList in new code that targets .NET >= 2.0 unless you have to interface with an old API t...
Finding element's position relative to the document
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No it does not, when any parent (especially html element!!!) has margins, paddings or borders.
– Flash Thunder
Nov 20 '14 at 15:10
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Find element's index in pandas Series
... The trouble here is it assumes the element being searched for is actually in the list. It's a bummer pandas doesn't seem to have a built in find operation.
– jxramos
Aug 23 '17 at 17:16
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Create a branch in Git from another branch
... newbies, this is what a --no-ff merge looks like
– A__
Oct 6 '18 at 23:01
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How to specify an area name in an action link?
... This is a very good tip! But it gives not expected results with MVC 2.. Small correction - Html.ActionLink("home", "Index", new { area = "", controller = "Home" })
– Alexander Beletsky
Nov 20 '10 at 10:36
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Grab a segment of an array in Java without creating a new array on heap
...wer by @unique72 is correct. Imma let this edit sit for a bit and then I shall delete this answer.)
I don't know of a way to do this directly with arrays without additional heap allocation, but the other answers using a sub-list wrapper have additional allocation for the wrapper only – but not...
How do you get the index of the current iteration of a foreach loop?
...or iterating over collections that implement IEnumerable. It does this by calling GetEnumerator on the collection, which will return an Enumerator.
This Enumerator has a method and a property:
MoveNext()
Current
Current returns the object that Enumerator is currently on, MoveNext updates Current t...
Search code inside a Github project
...e when using the default search selector "Everything":)
(I suppose we can all than Tim Pease, which had in one of his objectives "hacking on improved search experiences for all GitHub properties", and I did mention this Stack Overflow question at the time ;) )
Here is an illustration of a grep wit...
Interface/enum listing standard mime-type constants
...mons, jax, jboss, javax) for an interface or enum that lists the values of all the standard mime-type (aka content-type).
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