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What's the difference between Ruby's dup and clone methods?
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Subclasses may override these methods to provide different semantics. In Object itself, there are two key differences.
First, clone copies the singleton class, while dup does not.
o = Object.new
def o.foo
42
end
o.dup.foo # raises NoMetho...
Use numpy array in shared memory for multiprocessing
...lready given are good, there is a much easier solution to this problem provided two conditions are met:
You are on a POSIX-compliant operating system (e.g. Linux, Mac OSX); and
Your child processes need read-only access to the shared array.
In this case you do not need to fiddle with explicitly ...
What is token-based authentication?
...this different from SessionAuthentication, where user can obtain a session_id by enterting his username and password, and then uses this session_id in subsequent request ?
– Saurabh Verma
Oct 27 '14 at 14:12
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How to sort an array of objects with jquery or javascript [duplicate]
...rs who use IE 7/8/9. We haven't had any issues with this code. Can you provide more information about your code?
– Ketan
Mar 6 '13 at 17:00
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How to set the part of the text view is clickable
I have the text " Android is a Software stack ". In this text i want to set the " stack " text is clickable. in the sense if you click on that it will redirected to a new activity(not in the browser).
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android webview geolocation
...ssion is ...
webView.setWebChromeClient(new WebChromeClient() {
public void onGeolocationPermissionsShowPrompt(String origin, GeolocationPermissions.Callback callback) {
callback.invoke(origin, true, false);
}
});
Geolocation uses databases to persist cached positions and permissions betwe...
How to display loading message when an iFrame is loading?
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This worked perfect for my cases. The one chosen answer did not work for me because I was loading iFrame only when a tab was being clicked. But this one displayed elegantly while loading iFrame source. But too bad that this wasn't chosen as the answer because Jacob asked for jQue...
Change the image source on rollover using jQuery
...have a few images and their rollover images. Using jQuery, I want to show/hide the rollover image when the onmousemove/onmouseout event happen. All my image names follow the same pattern, like this:
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How to set SQL Server connection string?
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.NET DataProvider -- Standard Connection with username and password
using System.Data.SqlClient;
SqlConnection conn = new SqlConnection();
conn.ConnectionString =
"Data Source=ServerName;" +
"Initial Catalog=DataBaseName;" +
"User...
Global variables in Javascript across multiple files
A bunch of my JavaScript code is in an external file called helpers.js. Inside the HTML that calls this JavaScript code I find myself in need of knowing if a certain function from helpers.js has been called.
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