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Counting DISTINCT over multiple columns
...hash or concatenated value of the two columns.
Once it is persisted, provided the column is deterministic and you are using "sane" database settings, it can be indexed and / or statistics can be created on it.
I believe a distinct count of the computed column would be equivalent to your query.
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Java: Getting a substring from a string starting after a particular character
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Finally something really handy, didn't know about this method. I hate to hassle with substring + indexof + 1 - 2 +3 whatsoever. This is much cleaner :)
– BAERUS
Feb 6 '18 at 8:05
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What does cherry-picking a commit with Git mean?
...ash>
N.B.:
If you cherry-pick from a public branch, you should consider using
git cherry-pick -x <commit-hash>
This will generate a standardized commit message. This way, you (and your co-workers) can still keep track of the origin of the commit and may avoid merge conflicts in the...
How do you add an in-app purchase to an iOS application?
...ift users can check out My Swift Answer for this question.Or, check out Yedidya Reiss's Answer, which translates this Objective-C code to Swift.
Objective-C Users
The rest of this answer is written in Objective-C
App Store Connect
Go to appstoreconnect.apple.com and log in
Click My Apps then click ...
Cross-browser multi-line text overflow with ellipsis appended within a fixed width and height
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Just a quick basic idea.
I was testing with the following markup:
<div id="fos">
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Proin nisi ligula, dapibus a volutpat sit amet, mattis et dui. Nunc porttitor accumsan o...
How do I calculate a point on a circle’s circumference?
... trying to derive this equation for an hour now. Thanks. Who know the trig identities you learned in high school would be so helpful.
– Isioma Nnodum
May 28 '14 at 22:37
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Position: absolute and parent height?
...vely positioned. How to set containers height so their children will be inside of them?
6 Answers
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android: stretch image in imageview to fit screen
I have an imageview that has its height and width set to fill_parent with a linearlayout that has the same values set. So I suppose this should set my images to fit the screen. But it only fits like 80% (margin top and bottom in landscape mode).
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click() event is calling twice in jquery
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Make sure and check that you have not accidentally included your script twice in your HTML page.
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How do I hide a menu item in the actionbar?
I have an action bar with a menuitem. How can I hide/show that menu item?
24 Answers
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