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string.IsNullOrEmpty(string) vs. string.IsNullOrWhiteSpace(string)

...e term “white space” includes all characters that are not visible on screen. For example, space, line break, tab and empty string are white space characters*. Reference : Here For performance, IsNullOrWhiteSpace is not ideal but is good. The method calls will result in a small perfo...
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How to change language of app when user selects language?

... Okay! I am sure you do not have to do this for every screen, just the first activity that launches and inside the attachBaseContext function only. And that does it for all the screens. Have you created a `BaseActivity' for all activities in your app? – sud...
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How do I export UIImage array as a movie?

...ngleton *singleton = [ATHSingleton singletons]; int height = singleton.screenHeight; int width = singleton.screenWidth; // You can save a .mov or a .mp4 file //NSString *fileNameOut = @"temp.mp4"; NSString *fileNameOut = @"temp.mov"; // We chose to save in the tmp/ ...
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Will docker container auto sync time with the host machine?

...a terminal on the VM is another question, which can be done if you use the screen command. screen ~/Library/Containers/com.docker.docker/Data/com.docker.driver.amd64-linux/tty That path is a symlink, which on my system points at /dev/ttys003. Once you get in, note that the moby login is simply ...
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How do I close a single buffer (out of many) in Vim?

...bove displays the list of file names that match 'txt' at the bottom of the screen and keeps the :bd command I initially typed untouched, ready to be completed. Here's an example: doc1.txt doc2.txt :bd txt I could backspace over the 'txt' bit and type in the file name I wish to delete, but where...
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Can't make the custom DialogFragment transparent over the Fragment

I need to create a dialog over a fragment (that takes up the whole screen). The dialog needs to be a floating dialog that will be positioned over the fragment with the fragment darkened out outside of the fragment.. ...
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Is it possible to break a long line to multiple lines in Python [duplicate]

... ways: the operators tend to get scattered across different columns on the screen, and each operator is moved away from its operand and onto the previous line. In Python code, it is permissible to break before or after a binary operator, as long as the convention is consistent locally. For new ...
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Show a Form without stealing focus?

... using a Form to show notifications (it appears at the bottom right of the screen), but when I show this form it steals the focus from the main Form. Is there a way to show this "notification" form without stealing focus? ...
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How do you disable viewport zooming on Mobile Safari?

... One caveat: the user can still double tap the screen which will/can zoom and is not caught by this. – Stephen Oct 22 '16 at 0:42 1 ...
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How to go back to previous page if back button is pressed in WebView?

...en the user presses back too many times they end up at a blank app "start" screen, with no option for the user to move forward. – George Armhold Nov 12 '12 at 16:49 1 ...