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Best way to find if an item is in a JavaScript array? [duplicate]
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As of ECMAScript 2016 you can use includes()
arr.includes(obj);
If you want to support IE or other older browsers:
function include(arr,obj) {
return (arr.indexOf(obj) != -1);
}
EDIT:
This will not work on IE6, 7 or 8 though. The bes...
CursorLoader usage without ContentProvider
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155
I wrote a simple CursorLoader that does not need a content provider:
import android.content.C...
Difference between “change” and “input” event for an `input` element
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119
According to this post:
oninput event occurs when the text content of an element is changed ...
C# Object Pooling Pattern implementation
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Is a `=default` move constructor equivalent to a member-wise move constructor?
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edited Jun 20 at 9:12
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answered Aug 17 '13 at 16:11
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how to write setTimeout with params by Coffeescript
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214
I think it's a useful convention for callbacks to come as the last argument to a function. This...
ANTLR: Is there a simple example?
... just a very basic one: it does not handle unary operators (the minus in: -1+9) or decimals like .99 (without a leading number), to name just two shortcomings. This is just an example you can work on yourself.
Here's the contents of the grammar file Exp.g:
grammar Exp;
/* This will be the entry p...
How to COUNT rows within EntityFramework without loading contents?
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124
Query syntax:
var count = (from o in context.MyContainer
where o.ID == '1'
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