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How to avoid having class data shared among instances?

What I want is this behavior: 7 Answers 7 ...
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How to set background color of an Activity to white programmatically?

How can I set the background color of an Activity to white programatically? 11 Answers ...
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Android device chooser - My device seems offline

I have developed an application and i was planning to deploy it to my HTC Desire. I have installed USB driver. I turned on USB debugging on the phone and choosed charge only when phone plugged-in. When I run application Android device chooser show my device offline. I am stuck at this point. Any hel...
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What is the role of the bias in neural networks? [closed]

I'm aware of the gradient descent and the back-propagation algorithm. What I don't get is: when is using a bias important and how do you use it? ...
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How to limit the maximum value of a numeric field in a Django model?

...nteger is always None which makes it so I cannot provide any additional cleaning to it. Any idea why this is and how to fix it? – KrisF Oct 28 '13 at 18:00 2 ...
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How to debug JavaScript / jQuery event bindings with Firebug or similar tools?

...eb application that uses jQuery to do some fairly complex and messy DOM manipulation. At one point, some of the events that were bound to particular elements, are not fired and simply stop working. ...
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Where is PHP.ini in Mac OS X Lion? Thought it was in /usr/local/php5/lib

I wanted to run some PHP right on my Mac, uncommented httpd.conf, activated web sharing, installed MySQL etc. I can't seem to find my PHP files, most importantly, PHP.ini. ...
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Commit history on remote repository

I am trying to access a branch's commit history on a remote repository. I had a look at the doc but could not find any substantial information on how to access a remote repo's commit history using my local git client. ...
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Convert .pfx to .cer

Is it possible to convert a .pfx (Personal Information Exchange) file to a .cer (Security Certificate) file? Unless I'm mistaken, isn't a .cer somehow embedded inside a .pfx? I'd like some way to extract it, if possible. ...
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How do you declare an interface in C++?

How do I setup a class that represents an interface? Is this just an abstract base class? 15 Answers ...