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Java ArrayList how to add elements at the beginning
...; 10)
list.remove(list.size() - 1);
However, you might want to rethink your requirements or use a different data structure, like a Queue
EDIT
Maybe have a look at Apache's CircularFifoQueue:
CircularFifoQueue is a first-in first-out queue with a fixed size that replaces its oldest elemen...
package R does not exist
I'm getting the dreaded package R does not exist, it's killing me.
The code is fine I have apps in the market running the code.
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Is it possible to get all arguments of a function as single object inside that function?
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Use arguments. You can access it like an array. Use arguments.length for the number of arguments.
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Favorite Visual Studio keyboard shortcuts [closed]
What is your favorite Visual Studio keyboard shortcut? I'm always up for leaving my hands on the keyboard and away from the mouse!
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How do I test for an empty JavaScript object?
...er an AJAX request, sometimes my application may return an empty object, like:
57 Answers
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Getting Django admin url for an object
...he admin url of an object, and I had written a small filter that I'd use like this: <a href="{{ object|admin_url }}" .... > ... </a>
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Batch equivalent of Bash backticks
When working with Bash, I can put the output of one command into another command like so:
5 Answers
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Regular Expression to get a string between parentheses in Javascript
...ins the value between the parentheses
console.log(matches[1]);
Breakdown:
\( : match an opening parentheses
( : begin capturing group
[^)]+: match one or more non ) characters
) : end capturing group
\) : match closing parentheses
Here is a visual explanation on RegExplained
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Merge two (or more) lists into one, in C# .NET
...e is special-cased for ICollection<T> for efficiency.)
I wouldn't take this approach unless you really have to though.
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Rails - How to use a Helper Inside a Controller
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Note: This was written and accepted back in the Rails 2 days; nowadays grosser's answer is the way to go.
Option 1: Probably the simplest way is to include your helper module in your controller:
class MyController < ApplicationController
include MyHelper
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