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How to show the “Are you sure you want to navigate away from this page?” when changes committed?

...elow for reference. The window.onbeforeunload is not treated consistently by all browsers. It should be a function reference and not a string (as the original answer stated) but that will work in older browsers because the check for most of them appears to be whether anything is assigned to onbefor...
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How do I partially update an object in MongoDB so the new object will overlay / merge with the exist

... @froginvasion: You can make it atomic by using the old values as a matching filter on the update.That way, your update will fail if there was a conflicting concurrent update in the meantime. You can then detect that and act accordingly. This is called optimistic ...
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How can I close a Twitter Bootstrap popover with a click from anywhere (else) on the page?

...ed, and found this great little extension of the Twitter Bootstrap Popover by Lee Carmichael, called BootstrapX - clickover. He also has some usage examples here. Basically it will change the popover into an interactive component which will close when you click elsewhere on the page, or on a close b...
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How to show google.com in an iframe?

... Or you can use my X-Frame-Bypass Web Component. – niutech Jan 7 '19 at 16:10 5 ...
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Get filename and path from URI from mediastore

...low to go look things up in the database. You can get a bitmap from a uri by giving an input stream to the factory like you give a file to the factory: InputStream is = getContentResolver().openInputStream(uri); Bitmap bitmap = BitmapFactory.decodeStream(is); is.close(); ...
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How to delete a file or folder?

... just for completion... the exception thrown by os.remove() if a file doesn't exist is FileNotFoundError. – PedroA Feb 4 at 17:52 ...
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HTML encoding issues - “” character showing up instead of “ ”

... not sure. It generates a bunch of HTML that gets turned into PDF reports by ActivePDF. 8 Answers ...
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How to delete history of last 10 commands in shell?

... @FizerKhan I mean that changes made in .bash_history can be overwritten by what is kept in memory. I found this solution helpful: superuser.com/a/384383/253543 – superhero Nov 29 '16 at 10:42 ...
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Calculate distance between 2 GPS coordinates

... Calculate the distance between two coordinates by latitude and longitude, including a Javascript implementation. West and South locations are negative. Remember minutes and seconds are out of 60 so S31 30' is -31.50 degrees. Don't forget to convert degrees to radians....
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How do you query for “is not null” in Mongo?

... @IsmailKattakath the $ne: null makes $exists: true — by your own explanation! Since $exists: true returns null values, and $ne: null filters those out, all you need is $ne: null – jessepinho Jun 30 at 11:15 ...