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What's the difference between commit() and apply() in SharedPreferences
I am using SharedPreferences in my android app. I am using both commit() and apply() method from shared preference. When I use AVD 2.3 it shows no error, but when I run the code in AVD 2.1, apply() method shows error.
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Path.Combine absolute with relative path strings
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For windows universal apps Path.GetFullPath() is not available, you can use the System.Uri class instead:
Uri uri = new Uri(Path.Combine(@"C:\blah\",@"..\bling"));
Console.WriteLine(uri.LocalPath);
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Permission denied for relation
...t;schema> TO <role>
To specify default permissions that will be applied to future tables use:
ALTER DEFAULT PRIVILEGES IN SCHEMA <schema>
GRANT <privileges> ON TABLES TO <role>;
e.g.
ALTER DEFAULT PRIVILEGES IN SCHEMA public
GRANT SELECT, INSERT, UPDATE, DELETE...
Filter by process/PID in Wireshark
...s where this would fail like when the OS reallocates a port to a different app just before Wireshark queries the OS for PID for a port. So this wont be fool proof and glitch proof but if the user is made aware of these limitations it would still be a useful feature.
– Dojo
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How can I remove a trailing newline?
... EOL character. The Windows machine on which I was using this message had appended its own '\r\n' EOL character. Therefore, the end of each line looked like '\r\r\n'. Using rstrip('\r\n') would have taken off the entire '\r\r\n' which is not what I wanted. In that case, I simply sliced off the l...
AttributeError: 'module' object has no attribute
...an safely do import b without causing problems.
(At first glance it might appear that cause_a_to_do_something() would be hugely inefficient because it does an import every time you call it, but in fact the import work only gets done the first time. The second and subsequent times you import a modu...
Open popup and refresh parent page on close popup
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If your app runs on an HTML5 enabled browser. You can use postMessage. The example given there is quite similar to yours.
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How to display multiple notifications in android
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If I see this right, the apporach from tieorange only works with seconds. So if you have multiple notifications at the same second, this will not work.
– testing
Sep 12 '17 at 16:01
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How to change the status bar color in Android?
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This is supported on device pre-lollipop thanks to the library support-v7-appcompat starting from version 21. Blogpost about support appcompat v21 from Chris Banes
Read more about the Material Theme on the official Android Developers website
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How to convert jsonString to JSONObject in Java
... answered Sep 30 '14 at 1:01
MappanMappan
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