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Capture screenshot of active window?

I am making a screen capturing application and everything is going fine. All I need to do is capture the active window and take a screenshot of this active window. Does anyone know how I can do this? ...
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Prevent screen rotation on Android

...would like to prevent from rotating because I'm starting an AsyncTask, and screen rotation makes it restart. 15 Answers ...
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How to remove all of the data in a table using Django

...eleting all entries from - model == model_4 , but now i get to see a Error screen within Admin console when i try to asceratin that all objects of model_4 have been deleted ... ProgrammingError at /admin/dc_dash/model_4/ relation "dc_dash_model_4" does not exist LINE 1: SELECT COUNT(*) AS "__count"...
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How do you create a transparent demo screen for an Android app?

I'm trying to create a semi-transparent demo screen that is launched only when a user first installs my application. Here's an example from the Pulse News app: ...
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How do I keep the screen on in my App? [duplicate]

...* This code together with the one in onDestroy() * will make the screen be always on until this Activity gets destroyed. */ final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); this.mWakeLock = pm.newWakeLock(PowerManager.SCREEN_DIM_WAKE_LOCK, "My...
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Getting ssh to execute a command in the background on target machine

... If you don't/can't keep the connection open you could use screen, if you have the rights to install it. user@localhost $ screen -t remote-command user@localhost $ ssh user@target # now inside of a screen session user@remotehost $ cd /some/directory; program-to-execute & To de...
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Background image jumps when address bar hides iOS/Android/Mobile Chrome

...ll down. This is because it is keeping the background sized to 100% of the screen height minus the URL bar. If we add 60px to the height, as swiss suggests, this problem goes away. It does mean we don't get to see the bottom 60px of the background image when the URL bar is present, but it prevents u...
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Determine if the device is a smartphone or tablet? [duplicate]

... means "smallest width 600". If the size of the smallest dimension of the screen is greater than or equal to 600dp, the value in that folder will be chosen. A good reference for values and layout buckets (folders) is here: android-developers.blogspot.com/2012/07/…. – javahe...
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How to open a URL in a new Tab using JavaScript or jQuery? [duplicate]

...window every time, alternatively you could use a specific name like "login_screen", if the window is already loaded it will reload the content with the URL you have provided – FabianCook Feb 16 '17 at 10:49 ...
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iOS 7 style Blur view

...the Gaussian blur has to operate over, so an iPhone 4S can blur the entire screen in roughly 30 ms using this operation. You still have the challenge of how to pull content into this blur from views behind this one in a performant manner. ...