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mongodb count num of distinct values per field/key
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115
Here is example of using aggregation API. To complicate the case we're grouping by case-insens...
What are the risks of running 'sudo pip'?
...inely run as root.
– user395760
Jan 11 '14 at 0:00
2
This answer is bizarre. Of course, when you ...
What does the `#` operator mean in Scala?
...val a2 = new A
a2: A = A@4bed4c8
scala> a2.f(new a1.B)
<console>:11: error: type mismatch;
found : a1.B
required: a2.B
a2.f(new a1.B)
^
When you declare a class inside another class in Scala, you are saying that each instance of that class has such a ...
RegEx to make sure that the string contains at least one lower case char, upper case char, digit and
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answered Oct 13 '09 at 12:03
Bart KiersBart Kiers
148k3333 go...
How to disable zoom on Ctrl+scroll in Visual Studio 2010?
...al zooming...
– Kelly Adams
May 17 '11 at 16:37
9
Most popular Visual Studio extension ever. I e...
Rails: Default sort order for a rails model?
...at: :desc) }
– Marcus
Apr 28 '14 at 11:20
2
At least 4.2.6 seems to sort by updated_at not create...
Have a fixed position div that needs to scroll if content overflows
...
strider820strider820
2,69211 gold badge1010 silver badges1111 bronze badges
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How do I find out if first character of a string is a number?
...N :
Suppose that you have a String like this :
private val phoneNumber="9121111111"
At first you should get the first one :
val firstChar=phoneNumber.slice(0..0)
At second you can check the first char that return a Boolean :
firstChar.isInt() // or isFloat()
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How do I add an icon to a mingw-gcc compiled executable?
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And... secondly.. stackoverflow.com/questions/1411040/…
– Erik Friesen
Dec 5 '13 at 16:07
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XPath to select multiple tags
... OhMy:c?
– meustrus
Jan 9 '14 at 20:11
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