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Remove empty array elements

...e removed. So if you need to preserve elements that are i.e. exact string '0', you will need a custom callback: // PHP 7.4 and later print_r(array_filter($linksArray, fn($value) => !is_null($value) && $value !== '')); // PHP 5.3 and later print_r(array_filter($linksArray, function($valu...
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UITableViewCell subview disappears when cell is selected

...enting a color-chooser table view where the user can select amongst, say, 10 colors (depends on the product). The user can also select other options (like hard drive capacity, ...). ...
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How to sort an array of objects by multiple fields?

... 30 Answers 30 Active ...
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ipython: print complete history (not just current session)

....history.HistoryAccessor(profile='default') profile_hist.get_session_info(100) This will print out something like (100, datetime.datetime(2018, 2, 13, 19, 8, 30, 40691), None, None, '') This means that the session 100 started on the 13th of Feb 2018 19:08:30. ...
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android fragment onRestoreInstanceState

... 204 Fragments do not have an onRestoreInstanceState method. You can achieve the same result in onA...
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How do I negate a test with regular expressions in a bash script?

Using GNU bash (version 4.0.35(1)-release (x86_64-suse-linux-gnu), I would like to negate a test with Regular Expressions. For example, I would like to conditionally add a path to the PATH variable, if the path is not already there, as in: ...
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LINQ: “contains” and a Lambda query

... | edited Jan 13 at 12:08 Malice 3,75911 gold badge3333 silver badges4949 bronze badges answered Oct ...
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How do I validate a date string format in python?

...r("Incorrect data format, should be YYYY-MM-DD") >>> validate('2003-12-23') >>> validate('2003-12-32') Traceback (most recent call last): File "<pyshell#20>", line 1, in <module> validate('2003-12-32') File "<pyshell#18>", line 5, in validate raise ...
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curl -GET and -X GET

... 270 By default you use curl without explicitly saying which request method to use. If you just pass ...
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What version of Visual Studio is Python on my computer compiled with?

... +50 Visual C++ version _MSC_VER Visual C++ 4.x 1000 Visual C++ 5 1100 Visual C++ 6 ...