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What's the difference between identifying and non-identifying relationships?
...or an identifying relationship.
Yes, a book can not be written without at least one author, but the author(it's foreign key) of the book is NOT IDENTIFYING the book in the books table!
You can remove the author (FK) from the book row and still can identify the book row by some other field (ISBN, I...
How to dynamically change header based on AngularJS partial view?
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If you're dead set on using $rootScope I'd at least extract this out to a service so you don't have $rootScope in your controller.
– Michael J. Calkins
Dec 5 '14 at 17:29
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Getting the minimum of two values in SQL
... prefer selection of the not-null value which seems more correct to me, at least in my current use-case in the comparison of nullable dates.
– Nij
Feb 12 '19 at 8:25
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Using a custom image for a UITableViewCell's accessoryView and having it respond to UITableViewDeleg
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Jim, great answer. One potential issue (at least on my end) - I had to add the following line to get the touches to register on the button: button.userInteractionEnabled = YES;
– Mike Laurence
Aug 27 '09 at 19:52
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Fastest way to remove first char in a String
...string from a single chunk of the original input, whereas Remove has to at least potentially glue together a start chunk and an end chunk.
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Stop/Close webcam which is opened by navigator.getUserMedia
...ss callback, you can call .stop() on that stream to stop the recording (at least in Chrome, seems FF doesn't like it)
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get all keys set in memcached
...s somewhat hidden in a directory, which may not be in a standard PATH - at least on Ubuntu Xenial - here: /usr/share/memcached/scripts/
– sxc731
Jan 6 '18 at 16:05
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String.IsNullOrWhiteSpace in LINQ Expression
...y' over "" (aka the empty string). The former works the latter doesn't (at least as far as Oracle's EF driver is concerned). Aka if you use: b.Diameter.Trim() == "" <-- this won't work as intended (crazy I know ...)
– XDS
Dec 14 '18 at 13:59
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Stopping an Android app from console
...ike you don't have a rooted device. It definitely works on the emulator at least! :)
– Christopher Orr
Jun 25 '10 at 11:55
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What is your single most favorite command-line trick using Bash? [closed]
... It's interesting that this doesn't show up in man cd or, cd --help (at least mine).
– Halil Özgür
Feb 22 '11 at 16:55
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