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How to determine if one array contains all elements of another array

... a1 and a2, and a1 "containing all elements of" a2, I think this should be _ (a1 & a2).size == a2.size _ since a2 is the smaller array, which should have all elements included in the larger array (to obtain 'true') - hence the intersection of the two arrays should be the same length as the small...
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Original purpose of ? [closed]

...e deleted in this case, it will be id For example <?php if(isset($_POST['delete_action'])) { mysqli_query($connection, "DELETE FROM table_name WHERE record_id = ".$_POST['row_to_be_deleted']); //Here is where hid...
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Crash logs generated by iPhone Simulator?

...gured out is how to get them to generate even if the debugger grabs the EXC_BAD_ACCESS signal. Update Currently, (OSX 10.11.6), the .crash logs in ~/Library/Logs/DiagnosticReports, are when the emulator itself crashes. Logs for an app crashing (but the emulator device is still running fine), ar...
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How to uninstall Python 2.7 on a Mac OS X 10.6.4?

...managed to remove the entry from the PATH variable by reverting my .bash_profile . But I also want to remove all directories, files, symlinks, and entries that got installed by the Python 2.7 install package. I've got the install package from http://www.python.org/ . What directories/files/confi...
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How to fix Error: laravel.log could not be opened?

... @MattD I guess the apache group on mac is _www try this sudo chgrp -R _www bootstrap/cache . it would be helpful to take a look at this post: stackoverflow.com/a/6419695/2125114 – Hamid Parchami Feb 4 '18 at 20:11 ...
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Distinct not working with LINQ to Objects

...answered Aug 25 '16 at 8:19 Ashu_90Ashu_90 68666 silver badges88 bronze badges ...
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Drop data frame columns by name

... Nutty. identical(post_time_1, post_time_2) [1] TRUE =D – Daniel Fletcher Apr 30 '16 at 2:47 add a comment ...
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$.focus() not working

... If there is a label with for="same_as_input_id", then you have to use .get(0). – Shimbala Sep 9 at 7:14 add a comment ...
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Checking if array is multidimensional or not?

...n' could be anywhere. If it has to be in the first item, you'd just do is_array($arr[0]); But, the most efficient general way I could find is to use a foreach loop on the array, shortcircuiting whenever a hit is found (at least the implicit loop is better than the straight for()): $ more multi....
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Download File to server from URL

... Since PHP 5.1.0, file_put_contents() supports writing piece-by-piece by passing a stream-handle as the $data parameter: file_put_contents("Tmpfile.zip", fopen("http://someurl/file.zip", 'r')); From the manual: If data [that is the second a...