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Push Notifications in Android Platform

... You can generally get activated very quickly, and it is being used for things like GMail so is know to work in production. Unfortunately their sample code for communicating with the server side aspect of C2DM is lacking. I've written up a...
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Why does javascript replace only first instance when using replace? [duplicate]

... You need to set the g flag to replace globally: date.replace(new RegExp("/", "g"), '') // or date.replace(/\//g, '') Otherwise only the first occurrence will be replaced. share | ...
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How to close TCP and UDP ports via windows command line

...t the remote machine, the network card, the network cable, and your OS can all cause the socket to close. Consider also that Fiddler and Desktop VPN software can insert themselves into the network stack and show you all your traffic or reroute all your traffic. So all you really need is either fo...
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Django's SuspiciousOperation Invalid HTTP_HOST header

... If your ALLOWED_HOSTS is set correctly, then it is possible someone is probing your site for the vulnerability by spoofing the header. There is discussion right now by the Django developers to change this from a 500 internal server...
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How does the @property decorator work in Python?

...is just syntactic sugar; the syntax: @property def foo(self): return self._foo really means the same thing as def foo(self): return self._foo foo = property(foo) so foo the function is replaced by property(foo), which we saw above is a special object. Then when you use @foo.setter(), what you ...
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Why Choose Struct Over Class?

...es in many circumstances. Structs are preferable if they are relatively small and copiable because copying is way safer than having multiple references to the same instance as happens with classes. This is especially important when passing around a variable to many classes and/or in a multithreaded...
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Detect iPad users using jQuery?

... to detect an iPad user by taking a look at the userAgent property: var is_iPad = navigator.userAgent.match(/iPad/i) != null; iPhone/iPod Detection Similarly, the platform property to check for devices like iPhones or iPods: function is_iPhone_or_iPod(){ return navigator.platform.match(/i(...
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autolayout - make height of view relative to half superview height

...een getting into autolayouts recently and I'm stuck on what seems like a really trivial problem example. I have a view that I want to sit at the top of the screen, and take up half of the screen-height. Simple before autolayout - just tack it in place and tell it to expand vertically when the superv...
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Manual deployment vs. Amazon Elastic Beanstalk

What are the advantages we get by using Elastic Beanstalk over maually creating EC2 instance and setting up tomcat server and deploy etc for a typical java web applicaion. Are load balancing, Monitoring and autoscaling the only advantages? ...
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How to set specific java version to Maven

On my machine I have two java versions installed: (1.6 and 1.7 installed manually by me). I need both of them for different projects. But for Maven I need 1.7, now my Maven uses 1,6 java version, how can I set Maven to use 1.7? ...