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Use email address as primary key?
Is email address a bad candidate for primary when compared to auto incrementing numbers?
25 Answers
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Comparing object properties in c# [closed]
This is what I've come up with as a method on a class inherited by many of my other classes. The idea is that it allows the simple comparison between properties of Objects of the same Type.
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Parse query string into an array
... edited Dec 8 '17 at 1:08
Giacomo1968
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answered Mar 22 '11 at 21:01
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Recursively add the entire folder to a repository
...e file, if the subdirectory is ignored.
Then try again
git add --all
git commit -am "<commit message>"
git push
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How to set default value to the input[type=“date”] [duplicate]
... as defined in [RFC 3339], with the additional qualification that the year component is four or more digits representing a number greater than 0.
Your code should be altered to:
<input type="date" value="2013-01-08">
Example jsfiddle
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How to check if my string is equal to null?
...= null && !myString.isEmpty()) {
// doSomething
}
As further comment, you should be aware of this term in the equals contract:
From Object.equals(Object):
For any non-null reference value x, x.equals(null) should return false.
The way to compare with null is to use x == null an...
How to get a list of MySQL views?
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To complement or retrieve more data about the view consider: stackoverflow.com/questions/2834016/…
– Manuel Jordan
Oct 19 '19 at 15:53
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Java String remove all non numeric characters
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How to close activity and go back to previous activity in android
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How to calculate the bounding box for a given lat/lng location?
...ven by the WGS84 ellipsoid at the given latitude. I suspect that the exact computation of latMin and latMax would require elliptic functions and would not yield an appreciable increase in accuracy (WGS84 is itself an approximation).
My implementation follows (It's written in Python; I have not test...