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How do I prevent Android taking a screenshot when my app goes to the background?

...R.layout.main); } } This definitely secures against manual screenshots and automatic screenshots from the ICS recent-tasks history. It also secures against screen recording (e.g., apps using the media projection APIs). UPDATE: it also secures against Now On Tap or other assistants on Android 6....
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How to COUNT rows within EntityFramework without loading contents?

... Can you tell me why is it different with the SelectMany? I don't understand. I do it without SelectMany but it gets really slow because I have over 20 million records. I tried the answer from Yang Zhang and works great, just wanted to know what the SelectMany does. – mikesof...
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How to programmatically take a screenshot on Android?

... Here is the code that allowed my screenshot to be stored on an SD card and used later for whatever your needs are: First, you need to add a proper permission to save the file: <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> And this is the code (running in a...
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How do I measure request and response times at once using cURL?

... have a web service that receives data in JSON format, processes the data, and then returns the result to the requester. 14...
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How do you make a HTTP request with C++?

...ith C++? Specifically, I want to download the contents of a page (an API) and check the contents to see if it contains a 1 or a 0. Is it also possible to download the contents into a string? ...
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Performance surprise with “as” and nullable types

...'m just revising chapter 4 of C# in Depth which deals with nullable types, and I'm adding a section about using the "as" operator, which allows you to write: ...
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What is the difference between a HashMap and a TreeMap? [duplicate]

...mple of a SortedMap, which means that the order of the keys can be sorted, and when iterating over the keys, you can expect that they will be in order. HashMap on the other hand, makes no such guarantee. Therefore, when iterating over the keys of a HashMap, you can't be sure what order they will b...
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When should I release objects in -(void)viewDidUnload rather than in -dealloc?

...ontroller means that even when its view is removed from the view hierarchy and released to save memory, through which the subviews are also released by the view, they will not actually be deallocated because the UIViewController itself still contains its own outstanding retaining references to those...
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How to jump to a particular line in a huge text file?

... MiniQuark, I tried it, it actually works, and really quickly. I'll need to see what happens if I work on a dozen of files at the same time this way, find out at what point my system dies. – user63503 Mar 6 '09 at 22:46 ...
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Returning an array using C

I am relatively new to C and I need some help with methods dealing with arrays. Coming from Java programming, I am used to being able to say int [] method() in order to return an array. However, I have found out that with C you have to use pointers for arrays when you return them. Being a new progr...