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What is 'Context' on Android?

...ect. It lets newly-created objects understand what has been going on. Typically you call it to get information regarding another part of your program (activity and package/application). You can get the context by invoking getApplicationContext(), getContext(), getBaseContext() or this (when in a cl...
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SmtpException: Unable to read data from the transport connection: net_io_connectionclosed

...EDIT: Super Redux Version Try port 587 instead of 465. Port 465 is technically deprecated. After a bunch of packet sniffing I figured it out. First, here's the short answer: The .NET SmtpClient only supports encryption via STARTTLS. If the EnableSsl flag is set, the server must respond to EHLO ...
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How do I prevent site scraping? [closed]

...es, these work by extracting data from pages based on patterns in HTML, usually ignoring everything else. For example: If your website has a search feature, such a scraper might submit a request for a search, and then get all the result links and their titles from the results page HTML, in order t...
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OpenShift rhc setup using multiple accounts

...using "server add" command and then you can provide the server nickname in all subsequent commands using --server option. For example, rhc server add -l <first_account> --nickname srv1 <first-server> rhc server add -l <second_account> --nickname srv2 <second-server> You m...
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PHP Fatal error: Call to undefined function json_decode()

Apache is logging PHP Fatal error: Call to undefined function json_decode() . After some googling, it seems this problem is a result of not having the latest version of php. Oddly, running php --version ouputs ...
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How to list files in an android directory?

...gt; your app --> permissions --> enable storage. Should do this manually if you are facing this error. Make sure that you have <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> in your manifest. For the people who are facing NullPointerException - you are tryin...
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“From View Controller” disappears using UIViewControllerContextTransitioning

... goes black. The key UIWindow is completely empty – no view hierarchy at all! I played around a bit and it looks like there is an easy workaround, for simple cases. You can just re-add the toViewController's view as a subview of the key window's: transitionContext.completeTransition(true) UIAp...
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Does hosts file exist on the iPhone? How to change it? [closed]

...your problem... What make of router do you have? Your router firmware may allow you to set DNS records for your local network. This is what I do with the Tomato firmware share | improve this answer...
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Compelling examples of custom C++ allocators?

What are some really good reasons to ditch std::allocator in favor of a custom solution? Have you run across any situations where it was absolutely necessary for correctness, performance, scalability, etc? Any really clever examples? ...
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How do I prevent an Android device from going to sleep programmatically?

How do I prevent an Android device from going to sleep programmatically? 8 Answers 8 ...