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When to use LinkedList over ArrayList in Java?
...ements it with a doubly-linked list. ArrayList implements it with a dynamically re-sizing array.
As with standard linked list and array operations, the various methods will have different algorithmic runtimes.
For LinkedList<E>
get(int index) is O(n) (with n/4 steps on average), but O(1) w...
使用Activity启动器组件 · App Inventor 2 中文网
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使用Ac...
augmented reality framework [closed]
...have a look at Junaio junaio.com/develop
– Fernando Gallego
May 31 '12 at 14:21
6
I would also ad...
How to open a second activity on click of button in android app
...
but where? I get errors all over the place If i try place this withing the .java in eclipse
– Henry Aspden
Nov 2 '12 at 12:08
...
Format a Go string without printing?
...rFormatResult, err := FormatComplex("Hello {user} what are you doing here {app} ?", map[string]string{"user":"vpupkin", "app":"mn_console"})
assert.Nil(t, err)
assert.Equal(t, "Hello vpupkin what are you doing here mn_console ?", strFormatResult)
}
...
RabbitMQ / AMQP: single queue, multiple consumers for same message?
...e messages? Ie, both consumers get message 1, 2, 3, 4, 5, 6? What is this called in AMQP/RabbitMQ speak? How is it normally configured?
No, not if the consumers are on the same queue. From RabbitMQ's AMQP Concepts guide:
it is important to understand that, in AMQP 0-9-1, messages are load balan...
Updating Bootstrap to version 3 - what do I have to do?
...-3-Typeahead, see also: https://stackoverflow.com/questions/18615964/ajax-call-in-bootstrap-3-0-typeahead/18620473
Switch to the latest version of jQuery 1.x (don't use the 2.x version cause jQuery 2.x don't support IE8)
If you use third party widgets which adds or insert html to your code (like add...
What does the NS prefix mean?
...
Yes, of course. It's all beautifully laid out in the other answers, that's why I didn't bother copying that information into mine. Sorry if that offends someone - I don't mind if the accepted answer changes to one of the others (if that's possibl...
How do servlets work? Instantiation, sessions, shared variables and multithreading
... servlet container (like Apache Tomcat) starts up, it will deploy and load all its web applications. When a web application is loaded, the servlet container creates the ServletContext once and keeps it in the server's memory. The web app's web.xml and all of included web-fragment.xml files is parsed...
How can I save my secret keys and password securely in my version control system?
...ransparently encrypt certain sensitive files when you push them so that locally (i.e. on any machine which has your certificate) you can use the settings file, but Git or Dropbox or whoever is storing your files under VC does not have the ability to read the information in plaintext.
Tutorial on Tr...