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How to grey out a button?

...layout_height="wrap_content" android:theme="@style/BlueButton"/> Now when you call btnBlue.setEnabled(true) OR btnBlue.setEnabled(false) the state colors will automatically switch. share | ...
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variable === undefined vs. typeof variable === “undefined”

...d trigger the error "foo is not defined". For local variables (which you know are declared somewhere), no such error would occur, hence the identity check. share | improve this answer | ...
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How to check type of files without extensions in python?

... With newer subprocess library, you can now use the following code (*nix only solution): import subprocess import shlex filename = 'your_file' cmd = shlex.split('file --mime-type {0}'.format(filename)) result = subprocess.check_output(cmd) mime_type = result.spli...
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How to remove a directory from git repository?

...l this delete the directory from the point it was added to repository till now? Or is it just to remove the directory and recommit it to the .git repo? – alpha_989 Jan 21 '18 at 18:15 ...
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The cast to value type 'Int32' failed because the materialized value is null

... Finally got around to test this and adjusted it, so now the second version works too. – Anders Abel Jun 11 '12 at 21:07 1 ...
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How to set margin of ImageView using code, not xml

I want to add an unknown number of ImageView views to my layout with margin. In XML, I can use layout_margin like this: ...
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How do I use boolean variables in Perl?

...er than the right argument. Its not boolean but sometimes you may want to know if one argument ir equal or less than or greater than the other instead of just equal or not equal. – user118435 Jun 24 '09 at 6:47 ...
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String formatting named parameters?

I know it's a really simple question, but I have no idea how to google it. 6 Answers 6...
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How can I round up the time to the nearest X minutes?

...ldDateTimeObject.Minute % 15); } and is called like that DateTime thisIsNow = DateTime.Now; DateTime nextQuarterHour = GetNextQuarterHour(thisIsNow); share | improve this answer | ...
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How do you access command line arguments in Swift?

...ots (either the 7/28 snapshot or the 7/29 snapshot), the Process object is now known as the CommandLine object. This will probably be fully incorporated once Swift 3.0 is officially released. – TheSoundDefense Aug 8 '16 at 16:50 ...